Intel Core i9-10900X & i9-10940X Processor Review
by Peter DonnellThe new Intel 10th Generation processors are here at last, and we kick things off today with not one, but two offerings from the flagship i9-series! We have that 10-core 20-thread Intel Core i9-10900X, as well as the 14-core 28-thread Intel Core i9-10940X. I must admit, the new product names are getting a bit bloated and even a bit more confusing than ever before. However, both the new CPUs are built for the X299 LGA2066 socket, which means they’ll work on older X299 motherboards, as well as any refresh motherboards releasing for the launch; albeit you may need to update the BIOS on older models.
The new CPUs are not built for your typical consumer, these are very high-end parts built for the enthusiast and professional markets. Video editing, game development, and other processor-intensive workstation tasks are where X299 really comes into its own. That’s not to say you can’t use them for a high-end gaming rig though, as I’m sure many people have with X299 before.
Intel Core i9-10900X
As I said before, the CPUs are both Intel X299 socket compatible, so they look pretty much as you would expect. This is good news for those rocking the older motherboards and it’s refreshing to see a new Intel CPU that doesn’t require yet another motherboard refresh.
i9-10900X Features
- Cores/Threads – 10/20
- Base/Turbo/Turbo Max 3.0 – 3.7GHz/4.5GHz/4.7GHz
- TDP – 165w
- Socket – X299
- PCI Lanes – 48 @ PCIe 3.0
For in-depth specifications, please visit the official Intel product page here.
Intel Core i9-10940X
Both of the CPUs come without a CPU cooler in the box. That means you will need an X299 compatible cooler of your own. It’ll also need to be a pretty decent one too, as these are powerful CPUs with a TDP of 165W and that’s before and overclocking is applied, so high-end air coolers and AIO coolers are a bare minimum here.
i9-10940X Features
- Cores/Threads – 14/28
- Base/Turbo/Turbo Max 3.0 – 3.3GHz/4.6GHz/4.8GHz
- TDP – 165w
- Socket – LGA2066
- Chipset – X299
- PCI Lanes – 48 @ PCIe 3.0
For in-depth specifications, please visit the official Intel product page here.
How We Test
Update: Please note that some of the CPU results on our charts are now getting quite old. As such, software updates, Windows updates and more are now throwing those results out by more than we would desire for a fair comparison. We are currently in the process of a large-scale retest using new software, games, and much more to bring you even better quality reviews in the very near future.
Here at eTeknix, we endeavour to disclose vital information regarding the benchmarking process so that readers can quantify the results and attempt to replicate them using their hardware. When it comes to our benchmarks in our reviews, the benchmarks are pretty self-explanatory although there are a few exceptions. Remember that your choice of motherboard, the silicon lottery, and other factors can yield different numbers, and there’s always a margin for error when using any software. Therefore, your experience may vary.
Testing Your Own System
Links are provided below, as well as the settings we use. We encourage you to not just look at how one product compares to any other, but how it compares to your own. If you’re looking to build a new system, you should benchmark your current PC using our benchmarks and settings where possible. You should then look at the percentage improvement from your current hardware to the hardware we tested to give you a ballpark figure of how much an upgrade this will provide you with.
Intel Testbenches
Z390
- Motherboard – Gigabyte AORUS Master
- RAM – Crucial DDR4 3000MHz (4x8GB) 32GB + Optane
- CPU Cooler – Noctua D15S with dual fans
- Graphics Card – Nvidia GeForce GTX 1080 Ti
- Power Supply – BeQuiet Dark Power Pro 850 Watt
- Main Storage Drive – Toshiba OCZ VX500 500GB
- Chassis – Lian Li T80 Test Bench
- Operating System – Windows 10 Pro 64 Bit
Z370
- Motherboard – Gigabyte AORUS Ultra Gaming
- RAM – Crucial DDR4 3000MHz (4x8GB) 32GB + Optane
- CPU Cooler – Noctua D15S with dual fans
- Graphics Card – Nvidia GeForce GTX 1080 Ti
- Power Supply – BeQuiet Dark Power Pro 850 Watt
- Main Storage Drive – Toshiba OCZ VX500 500GB
- Chassis – Lian Li T80 Test Bench
- Operating System – Windows 10 Pro 64 Bit
X299
- Motherboard – ASUS Rampage VI Extreme Omega
- RAM – TeamGroup Nighthawk RGB 3000 32GB (4x8GB)
- CPU Cooler – Corsair H150i Pro RGB 360mm
- Graphics Card – Gigabyte AORUS GeForce GTX 1080 Ti
- Power Supply – Phanteks Revolt Pro 850W
- Main Storage Drive – WD Black 1TB NVMe M.2 SSD
- Chassis – Lian Li T80 Test Bench
- Operating System – Windows 10 Pro 64 Bit
AMD Testbenches
X399 (2nd Generation Threadripper)
- Motherboard – MSI X399 Creation MEG
- RAM – Crucial 64GB (8x8GB ) 3000 MHz
- CPU Cooler – Deep Cool Fryzen
- Graphics Card – Nvidia GeForce GTX 1080 Ti
- Power Supply – BeQuiet Dark Power Pro 850 Watt
- Main Storage Drive – Toshiba OCZ VX500 500GB
- Chassis – Lian Li T80 Test Bench
- Operating System – Windows 10 Pro 64 Bit
X399 (Threadripper)
- Motherboard – MSI X399 Gaming Pro Carbon AC
- RAM – Crucial Ballistix 32GB (4x8GB) 2400MHz
- CPU Cooler – CM Master Liquid 120mm (will be retested with Noctua D15S with dual fans in coming weeks)
- Graphics Card – Nvidia GeForce GTX 1080 Ti
- Power Supply – BeQuiet Dark Power Pro 850 Watt
- Main Storage Drive – Toshiba OCZ VX500 500GB
- Chassis – Lian Li T80 Test Bench
- Operating System – Windows 10 Pro 64 Bit
AMD X570 (Matisse)
- Motherboard – Gigabyte X570 AORUS Master
- RAM – GeIL DDR4 3600MHz Dual Channel 16GB
- CPU Cooler – Noctua D15S with dual fans
- Graphics Card – Nvidia GeForce GTX 1080 Ti
- Power Supply – BeQuiet Dark Power Pro 850 Watt
- Main Storage Drive – Toshiba OCZ VX500 500GB
- Chassis – Lian Li T80 Test Bench
- Operating System – Windows 10 Pro 64 Bit
AM4 X470 (Pinnacle Ridge)
- Motherboard – Gigabyte X470 Gaming 7
- RAM – GeIL DDR4 3200MHz Dual Channel 16GB
- CPU Cooler – Noctua D15S with dual fans
- Graphics Card – Nvidia GeForce GTX 1080 Ti
- Power Supply – BeQuiet Dark Power Pro 850 Watt
- Main Storage Drive – Toshiba OCZ VX500 500GB
- Chassis – Lian Li T80 Test Bench
- Operating System – Windows 10 Pro 64 Bit
AM4 X370 (Raven Ridge)
- Motherboard – MSI XPower Titanium X370
- RAM – GeIL DDR4 3200MHz Dual Channel 16GB
- CPU Cooler – Noctua D15S with dual fans
- Graphics Card – Nvidia GeForce GTX 1080 Ti
- Power Supply – BeQuiet Dark Power Pro 850 Watt
- Main Storage Drive – Toshiba OCZ VX500 500GB
- Chassis – Lian Li T80 Test Bench
- Operating System – Windows 10 Pro 64 Bit
Games and Settings Used
All games are tested on a 60 Hz display with V-Sync off for all tests.
-
Rise of the Tomb Raider (Steam)
- DX12 Medium Preset
- Pure Hair Off
-
Deus Ex (Steam)
- DX12 Medium Preset
-
Ghost Recon: Wildlands (Uplay)
- Medium Preset
- Turf Effects Off
-
Far Cry Primal (Uplay)
- Normal Preset
Software Used
-
3DMark Fire Strike (download)
- FireStrike (1080p) Benchmark
-
Unigine Superposition (download)
- 1080p Extreme Benchmark
-
PCMark 10 Professional (download)
- Express Benchmark
-
WPrime (download)
- 32M and 1024M
- Power usage recorded at 1024M 50% complete, thermals recorded at 75% complete
-
CineBench R15 (download)
- CPU Multi
- CPU Single
-
CineBench R20 (download)
- CPU Multi
- CPU Single
-
Handbrake (download)
- Custom MP4 to MKV 4K conversion (details below)
- AIDA64 Engineer (download)
- CPU-Z (download)
- HWMonitor (download)
Handbrake
To stress processors to their absolute limit and accurately judge their performance in video editing workloads, we transcode a 7.7GB compilation of gaming footage; this particular file is freely available from here. The captured footage is 22 minutes and 12 seconds long, it has a bit rate of 50.1 Mbps, and it uses the Advanced Video Codec. Additionally, the video runs at a constant 30 frames-per-second and opts for a 3820 x 2140 (4K) resolution. Once loaded into Handbrake, we then transcode the 4K MP4 to an MKV file using the “normal” profile.
Other Notes
A rest period of 2-5 minutes is observed between each piece of software allowing the system to return to its idle power usage and temperatures. Background services like Windows Update are checked to not be running during the testing period by setting WiFi to Metered Connection.
Updates
All games, graphics card drivers, BIOS, Windows and everything else is always kept up to date with the latest available. Older benchmarks may not be retested until stated otherwise. However, all hardware will be tested with the best and latest firmware and software available to that hardware at the time of review. As of 1st of May 2018, all hardware was retested on their latest drivers. Anything after this date will again be using their most recent versions available to them.
Thanks
Thank you to Noctua, Crucial, ASUS, Gigabyte, Lian-Li, be quiet!, OCZ, for providing the hardware that helps makes these tests possible!
Synthetic Benchmarks
The latest Intel 10th Gen CPUs are off to a pretty solid start but aren’t quite pulling as big a figure as I suspect. Of course, these aren’t the flagship CPU which is the 10980XE, but they’re certainly still well within the extreme range of CPUs for consumers. The 10940X does have the edge when it comes to core counts, but the 10900X is also easier to keep cool, so can still deliver some pretty heft performance of its own.
None of the scores is what we could call slow though. However, last generations 9980XE still proves to be superior in some of the more demanding tests, albeit it was also a hell of a lot more expensive. What’s most surprising is that the Ryzen 3rd Gen CPUs are still blowing Intel away in some of the benchmarks such as 3DMark and PCMark 10. Not to mention I was surprised to see the Ryzen 3900X and Intel 10940X so closely matched in CineBench R15.
i9-10900X Scores
- 3DMark – 21496
- Unigine – 5672
- PCMark 10 – 5593
- WPrime – 3.106/81.19
- Cinebench R15 – 198/2358
- Handbrake – 77.3
i9-10940X Scores
- 3DMark – 22626
- Unigine – 5691
- PCMark 10 – 5743
- WPrime – 2.776/56.81
- Cinebench R15 – 201/3117
- Handbrake – 90.1
3DMark Firestrike
Unigine Superposition
PCMark 10 Express
WPrime
Cinebench R15
Handbrake MP4 to MKV Conversion 4K
Gaming Performance
Again we see nothing wrong with the performance here. These are not “gaming” CPUs as such, but clearly they’ll get the job done. The more gaming-focused Ryzen 3800X and Intel’s own i9-9900K still pull way ahead though, so those looking for a pure gaming build will want those instead.
While the 9980XE pulled ahead in some of the synthetic benchmarks, it fell behind in gaming. The 10900 and the 10940 had no issues delivering solid performance figures over the last generation X299 CPUs. I must admit, I was surprised to see near-identical results in Ghost Recon, so perhaps that test isn’t using the full CPU core configuration.
i9-10900X Scores
- Rise of the Tomb Raider – 187.34
- Deus Ex: Mankind Divided – 126.8
- Ghost Recon: Wildlands – 139.32
- Far Cry Primal – 97
i9-10940X Scores
- Rise of the Tomb Raider – 175.23
- Deus Ex: Mankind Divided – 120.7
- Ghost Recon: Wildlands – 139.16
- Far Cry Primal – 95
Rise of the Tomb Raider
Deus Ex: Mankind Divided
Ghost Recon
Far Cry
Due to the quad-channel setup required to get the best out of this CPU, we couldn’t really compare it to the dual-channel configurations of other motherboards. That being said, the results are right on the money here. Plus, what’s interesting is that we saw massive read speeds compared to the AMD X399 chipset, but a little behind when it comes to write and copy speeds. Intel showcases their typical advantage here though, with much lower latency vs the AMD motherboard.
Settings
Both of these CPUs feature some kind of auto-overclocking, allowing the CPU to boost the clock speed when it’s needed. At least, providing you have sufficient cooling headroom, which is no easy task on such powerful CPUs. They do run hot, but a big cooler can quickly keep that in order. We got the i9-10900X to 4.9 GHz easily enough, which did give us a nice performance boost, but nothing major.
However, the i9-10940X was stable at 5 GHz using 1.275v which was a fantastic performance boost over all cores. However, it took a whopping 1.4v to get it up to 5.1 GHz.  We wound it back to 5 GHz just to be safe.
Of course, these CPUs may be more efficient on a per-core basis, but at these speeds and these core counts, power usage is pretty high and so are temperatures. As I said, a big cooler goes a long way.
Intel Core i9-10900X Stock
Intel Core i9-10900X @ 4.9 GHz
Intel Core i9-10940X Stock
Intel Core i9-10940X @ 5.0 GHz
Intel Core i9-10940X @ 5.1 GHz
3DMark Firestrike
WPrime
Cinebench R15
Rise of the Tomb Raider
Power Consumption
Stock
Overclocked
Temperatures
Stock
Overclocked
How Much Does it Cost?
All of the CPUs are around half the price of the previous 9th Gen X299 CPUs. That’s a big win for consumers, and at $784 and $590 the i9-10940X and 10900X are very appealing options for workstation and enthusiast setups. Check out the up to date pricing in the UK here and US here.
Overview
Intel has had a tougher season than they’ve had in many years with the last few launches. AMD had gone from competing on the budget market only to becoming a serious competitor in the budget, mid-consumer, and enthusiast markets. The end result is a big win for consumers, as Intel and AMD are locking in an arms race and a price war. Intel slashed the prices of these new CPUs and that’s obviously a huge win for us all. It’s certainly going to make the choice between X299 and AMD’s X399 even harder though.
Plus, there’s a cheeky advantage for Intel this time around, as while the latest Threadrippers will require a new motherboard, the 10th-Gen CPUs from Intel will still work on the now two-year-old X299 chipset motherboards.
Performance
They’re certainly no slouch when it comes to delivering big performance figures. However, it’s really about what you need them for. For gaming, you’re still better off with an i9-9900K or the AMD 3800X for the most part. However, for content creators, the extra core count can pull in other advantages. You can have a few cores for your gaming, and reserve the others for your video pipelines and rendering. Of course, let’s not forget that modern GPUs can offload the streaming and encoding a lot these days too.
The real strengths are with heavy-duty computational workloads. Intel prides themselves on their advancements in AI, simulation tech, game development, video rendering, etc. A consumer CPU might get the job done now and then, but the X299 hardware is built to run hard around the clock and may prove the better choice in more intense workflows.
Should I Buy One
It’s really quite subjective this time. If you’re just a gamer, then it’s not really for you. However, if you’re needing a rig that’s capable of heavy-duty calculations and rendering, but can still get your Twitch streaming done on an evening too, then the 10th Gen CPUs can certainly hold their own.


BLAST, or Basic Local Alignment Search Tool, is a collection of tools that are used to search for and find regions of local similarity between sequences. The program compares nucleotide or protein sequences to sequence databases, and calculates the statistical significance of the matches. This software suite has been released free to the public by the National Centre for Biotechnology Information.
BLAST can be used for protein-protein comparisons or nucleotide-nucleotide comparisons. Before an example of the usage is presented, we must first define some environmental variables.
$BLASTDB - This is the variable which points to the Blast Database. This is set to /share/bio/ncbi/db/. This directory should contain the databases that you would want to search. BLAST by default checks this location and the current working directory for the presence of the databases. This variable is set during login by system login scripts , and may be changed by the user to point to her preferred location in her startup scripts.
$BLASTMAT - This variable points to the location where the BLAST scoring matricies are present. It is set to /opt/Bio/ncbi/data Again, they may be changed to point to a desired location on a per-user basis.
BLAST requires the presence of 2 datasets. One dataset is the input sequence that you want to search for, and the other dataset is the database that you want to search against.
Use the following procedure to run blast
Download the BLAST database that you want to blast against. The databases can be obtained from the NCBI ftp site at ftp://ftp.ncbi.nlm.nih.gov/blast/db/. Note that the databases available here are preformatted. Unformatted databases can be obtained in FASTA format at ftp://ftp.ncbi.nlm.nih.gov/blast/db/FASTA/. The databases may also be obtained by running the /opt/Bio/ncbi/doc/blast/update_blastdb.pl script. Run the script without any parameters to view usage.
Note that it is recommended that the blast databases be downloaded to the $BLASTDB location. As not everybody has write access to this location, a seperate user called biouser is created who can write to this location. The users of the system may su to this user using the following command.
[nostromo@rocks-168 ~]$ sudo su - biouser -bash-3.00$ cd $BLASTDB -bash-3.00$ /opt/Bio/ncbi/doc/blast/update_blastdb.pl --showall Connected to NCBI env_nr env_nt est est_human est_mouse est_others gss htgs human_genomic nr nt other_genomic pataa patnt pdbaa pdbnt refseq_genomic refseq_protein refseq_rna sts swissprot taxdb wgs -bash-3.00$ /opt/Bio/ncbi/doc/blast/update_blastdb.pl patnt Connected to NCBI Downloading patnt.tar.gz... done. -bash-3.00$ tar xzf patnt.tar.gz |
This step is to be followed ONLY if you have downloaded unformatted databases. Run the formatdb command to format the database to the BLAST format.
-bash-3.00$ formatdb --help |
gives you a list of all the available options to run formatdb. Make sure you choose the right set of options depending on whether you're running against a nucleotide database or a protien database.
Create a test input file.
[nostromo@rocks-168 ~]$ cat > test.txt >Test AGCTTTTCATTCTGACTGCAACGGGCAATATGTCTCTGTGTGGATTAAAAAAAGAGTGTCTGATAGCAGC TTCTGAACTGGTTACCTGCCGTGAGTAAATTAAAATTTTATTGACTTAGGTCACTAAATACTTTAACCAA TATAGGCATAGCGCACAGACAGATAAAAATTACAGAGTACACAACATCCATGAAACGCATTAGCACCACC ATTACCACCACCATCACCATTACCACAGGTAACGGTGCGGGCTGACGCGTACAGGAAACACAGAAAAAAG CCCGCACCTGACAGTGCGGGCTTTTTTTTTCGACCAAAGGTAACGAGGTAACAACCATGCGAGTGTTGAA GTTCGGCGGTACATCAGTGGCAAATGCAGAACGTTTTCTGCGTGTTGCCGATATTCTGGAAAGCAATGCC AGGCAGGGGCAGGTGGCCACCGTCCTCTCTGCCCCCGCCAAAATCACCAACCACCTGGTGGCGATGATTG AAAAAACCATTAGCGGCCAGGATGCTTTACCCAATATCAGCGATGCCGAACGTATTTTTGCCGAACTTTT |
Run the blastall program on the test input against the downloaded database.
[nostromo@rocks-168 ~]$ blastall --help |
gives a list of all the options that you can use to run the blastall program.
[nostromo@rocks-168 ~]$ blastall -d patnt -p blastn -i test.txt -o result.txt [nostromo@rocks-168 ~]$ cat result.txt BLASTN 2.2.13 [Nov-27-2005] Reference: Altschul, Stephen F., Thomas L. Madden, Alejandro A. Schaffer, Jinghui Zhang, Zheng Zhang, Webb Miller, and David J. Lipman (1997), "Gapped BLAST and PSI-BLAST: a new generation of protein database search programs", Nucleic Acids Res. 25:3389-3402. Query= Test (560 letters) Database: Nucleotide sequences derived from the Patent division of GenBank 2,738,673 sequences; 1,647,221,730 total letters Searching..................................................done Score E Sequences producing significant alignments: (bits) Value emb|CS104136.1| Sequence 1 from Patent WO2005049808 589 e-166 dbj|DD171864.1| Method of producing amino acid by fermentation 589 e-166 dbj|BD179435.1| Method and apparatus for recording sequential da... 589 e-166 dbj|BD179434.1| Method and apparatus for recording sequential da... 589 e-166 dbj|BD131253.1| Recording method and apparatus of sequence infor... 589 e-166 dbj|BD131254.1| Recording method and apparatus of sequence infor... 589 e-166 dbj|BD103218.1| Method and apparatus for recording information o... 589 e-166 dbj|BD103217.1| Method and apparatus for recording information o... 589 e-166 gb|AR384840.1| Sequence 1569 from patent US 6610836 262 1e-67 gb|AR384989.1| Sequence 1718 from patent US 6610836 196 5e-48 dbj|E38337.1| Process for producing L-methionine by fermentation 121 2e-25 |
The above example shows how to search for the test input in a patented nucleotide database, and a snippet of the output file.
For further information about BLAST and its usage, please refer to the following sources
THE NCBI Blast website - http://www.ncbi.nlm.nih.gov/BLAST/
BLAST Help page on your cluster BLAST Help Page
BLAST Program selection Guide - http://www.ncbi.nlm.nih.gov/blast/BLAST_guide.pdf


Healthy Coaching
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1-Hummans get most of the proteian they need form water
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Data moves around the Internet so quickly. How can data be sent in seconds so reliably? To start, packets have many routes and the most direct route is not always the best. Networks are fault tolerant and can keep sending packets even if there is a failure along the way, ensuring reliability. Packets of information travel across the internet based on how much traffic there is and take the shortest route to their destination. Along the way, packets are directed by routers to ensure they reach their destination. Packets have limitations, large images can be broken down into multiple packets and they can reach their destination at different times and in any order.
It may raise concerns that your packets can arrive out of order, however the Transmission Control Protocol controls the sending and receiving of packets as a guaranteed mailing service. TCP does inventory of all the packets to ensure they are in order and all there. If any are missing, it will request the missing packet be resent. Once all the packets are present and in order, TCP signs off on it and confirms that it was received. TCP and router systems are scalable and redundant, meaning that as more routers are added to networks, they become more and more reliable.


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Let's also say we are not sure at this stage how we want to define the language. Possible options are:
- App/Lang-1/Something/Else.aspx
- App/Something/Else.aspx?lang=1
- etc
- Add CurrentLanguage property to base controller.
- Retrieve CurrentLanguage using my GetObjectFromRrequest.
- Define the route(s).
No problems at all. All is done:
public abstract class LanguageEnabledController : BaseAppController { private Language currentLanguage; public Language CurrentLanguage { get { if (currentLanguage == null) throw new InvalidOperationException("The language should be explicitly assigned. We don't want to provide a fallback."); return currentLanguage; } } public IWorkSpace WorkSpace { get { // Stripped... } } protected override void OnActionExecuting(ActionExecutingContext context) { base.OnActionExecuting(filterContext); currentLanguage = GetObjectFromRequest<Language>("language"); if (currentLanguage == null) { // Invalid language object or missing URL context.Result = RedirectToAction("WrongLanguage", "Error", new { language = ValueProvider.GetValue("language") }); } } public TObject GetObjectFromRequest<TObject>(string name) where TObject: class, ILoopBack { var vpr = ValueProvider.GetValue(name); if (vpr == null) return null; return WorkSpace.GetObject<TObject>(vpr.AttemptedValue); } } /* Also add the route like this: */ routes.MapRoute( "DefaultWithLanguage", "Lang-{language}/{controller}/{action}.aspx", new { controller = "Home", action = "Index" } );
Ok. This works just great. Every controller now has CurrentLanguage property set correctly. If not, it will give us a message about that. So far so good.
But I spot a problem trying to test my class. Of course, the CurrentLanguage property is never set in tests because of OnActionExecuting is never called.
So what I need now is making this property accessible in tests. I see following options:
- Reward CurrentLanguage property with a setter.
- Inject a service into controllers' constructor for that.
- Simulate OnActnioExecuting.
The 2nd is probably the most correct one, but I don't want to have service and implementation of it for a single property. I don't want to use dependency injection in for now. And I don't want to rewrite number of controller for that.
So I choose the 3rd one. Why is it bad? Because of we'll have to simulate ControllerInvoker or some part of it. So let's get to it.
But we have a problem with this approach: OnContextExecuting is PROTECTED method. We need to do following:
- Publish OnActionExecuting somehow to make it callable from tests.
- Simulate the Controllerinvoker.
So let's now put it all together and see the code.
Controller:
public class LanguageEnabledController : BaseAppController { public IWorkSpace WorkSpace { get { // Stripped } } protected override void OnActionExecuting(ActionExecutingContext filterContext) { base.OnActionExecuting(filterContext); InitAppController(filterContext); } public virtual void InitAppController(ActionExecutingContext context) { currentLanguage = GetObjectFromRequest<Language>("language"); if (currentLanguage == null) { // Invalid language object or missing URL context.Result = RedirectToAction("WrongLanguage", "Error", new { language = ValueProvider.GetValue("language") }); } } public TObject GetObjectFromRequest<TObject>(string name) where TObject: class, ILoopBack { var vpr = ValueProvider.GetValue(name); if (vpr == null) return null; return WorkSpace.GetObject<TObject>(vpr.AttemptedValue); } }
And the base test class:
public abstract class BaseControllerTest<TController> where TController : BaseAppController { [TestInitialize] public void TestInit() { SetUp(); var methodParameterValues = new Dictionary<string, object>(StringComparer.OrdinalIgnoreCase); var preContext = new ActionExecutingContext(this.Controller.ControllerContext, methodParameterValues); Controller.InitAppController(preContext); } protected virtual void SetUp() { } private TController controller; public TController Controller { get { if (controller == null) controller = CreateTestController(); return controller; } } private TController CreateTestController() { TController c = Activator.CreateInstance<TController>(); PrepareTestController(c); return c; } IWorkSpace CreateNewSpace() { var ws = new UnitTestsWorkSpace(); return ws; } private void PrepareTestController(TController c) { c.ProviderOfWorkSpace = new LocalInstanceWorkSpaceProvider(() => CreateNewSpace()); c.SetTestContext(); // Extension to set Fake HttpContext } protected IWorkSpace WorkSpace { get { return Controller.WorkSpace; } } }
Now we can easily execute tests like in this example:
[TestClass] public class TestBusinessObjectController : BaseControllerTest<TopicController> { Language defaultLanguage; Language french; protected override void SetUp() { french = new Language(WorkSpace) { Code = "fr-FR", Name = "French" }; defaultLanguage = new Language(WorkSpace) { Code = "en-AU" Name = "Aussie English" } WorkSpace.UpdateDatabase(); // We need to put the ID of the language into any place that ValueProvider searches in... Controller.RouteData.Values["language"] = defaultLanguage.ExternalId(); // Extension to get an ID } [TestMethod] public void SelfCheck_ControllerHasLanguageSet() { Assert.IsNotNull(Controller.CurrentLanguage); Assert.AreEqual("en-AU", Controller.CurrentLanguage.Code); } [TestMethod] public void ListTopicsReturnsAussieTopic() { var expected = new Topic(WorkSpace) { Content = "Aussie" Language = defaultLanguage }; new Topic(WorkSpace) { Content = "Who knows", Language = french } // We expect the Index returs all topics of current language only var topic = Controller.Index().ViewData.AsObject<IEnumerable<Topic>>("data").First(); Assert.AreEqual(expected, topic); } }
The keys are:
- public virtual InitAppController.
- Using GetObjectFromRrequest.
- Creating ActionExecutingContext.
Enjoy!


{% load i18n %}
{% blocktrans trimmed %} Discuss with the student(s). {% endblocktrans %} {% blocktrans trimmed %} Anything you write or upload here is visible to the student(s), examiners, and admins. {% endblocktrans %}


typedef struct bstreenode { char *key; Jval val; struct bstreenode *left; struct bstreenode *right; } BstreeNode;And the following is the typedef for a binary search tree:
typedef struct { BstreeNode *root; } Bstree;Suppose keys are character strings. Write code for:
void insert_node(Bstree *tree, char *key, Jval v);This inserts a new node into the tree with the given key and value. You may assume that there are no nodes in the tree with the given key.
Do your answer on the answer sheet.


--- layout: default slug: about ---
My name is Christos Nasikas. I like building software, cryptography, security, blockchain, and privacy. I hold a Master’s Degree in Theoretical Computer Science from the National and Kapodistrian University of Athens.
In the past years I worked as a self-employed Full Stack Web Developer. Throughout a period of over three years I collaborated with numerous companies and individuals (Roleplay, MoY Studio, Lamb and Lamp, MDesigners), using web technologies such as HTML5, CSS3, JavaScript, Node.js, and PHP within frameworks of JQuery, React, Redux, Backbone.js, and WordPress.
Later on, I was recruited as a Software Engineer and Researcher by the Athena Research Information Center. There I designed and developed a distributed privacy preserving data analytics platform. For the needs of the project, I build various distributed scalable components using Node.js and designed communication protocols as state machines. I also designed and developed a RESTful API using Node.js and Express, developed a web app using React and Redux, and build a data adaptive processing module using Python.
Currently, I am working as a Senior Software Engineer at Elastic.


Functions | |
| bStatus_t | ATT_ErrorRsp (uint16 connHandle, attErrorRsp_t *pRsp) |
| Send Error Response. | |
| bStatus_t | ATT_ExchangeMTURsp (uint16 connHandle, attExchangeMTURsp_t *pRsp) |
| Send Exchange MTU Response. | |
| bStatus_t | ATT_FindInfoRsp (uint16 connHandle, attFindInfoRsp_t *pRsp) |
| Send Find Information Response. | |
| bStatus_t | ATT_FindByTypeValueRsp (uint16 connHandle, attFindByTypeValueRsp_t *pRsp) |
| Send Find By Tyep Value Response. | |
| bStatus_t | ATT_ReadByTypeRsp (uint16 connHandle, attReadByTypeRsp_t *pRsp) |
| Send Read By Type Respond. | |
| bStatus_t | ATT_ReadRsp (uint16 connHandle, attReadRsp_t *pRsp) |
| Send Read Response. | |
| bStatus_t | ATT_ReadBlobRsp (uint16 connHandle, attReadBlobRsp_t *pRsp) |
| Send Read Blob Response. | |
| bStatus_t | ATT_ReadMultiRsp (uint16 connHandle, attReadMultiRsp_t *pRsp) |
| Send Read Multiple Response. | |
| bStatus_t | ATT_ReadByGrpTypeRsp (uint16 connHandle, attReadByGrpTypeRsp_t *pRsp) |
| Send Read By Group Type Respond. | |
| bStatus_t | ATT_WriteRsp (uint16 connHandle) |
| Send Write Response. | |
| bStatus_t | ATT_PrepareWriteRsp (uint16 connHandle, attPrepareWriteRsp_t *pRsp) |
| Send Prepare Write Response. | |
| bStatus_t | ATT_ExecuteWriteRsp (uint16 connHandle) |
| Send Execute Write Response. | |
| bStatus_t | ATT_HandleValueNoti (uint16 connHandle, attHandleValueNoti_t *pNoti) |
| Send Handle Value Notification. | |
| bStatus_t | ATT_HandleValueInd (uint16 connHandle, attHandleValueInd_t *pInd) |
| Send Handle Value Indication. |
| bStatus_t ATT_ErrorRsp | ( | uint16 | connHandle, | |
| attErrorRsp_t * | pRsp | |||
| ) |
Send Error Response.
| connHandle | - connection to use | |
| pRsp | - pointer to error response to be sent |
| bStatus_t ATT_ExchangeMTURsp | ( | uint16 | connHandle, | |
| attExchangeMTURsp_t * | pRsp | |||
| ) |
Send Exchange MTU Response.
| connHandle | - connection to use | |
| pRsp | - pointer to request to be sent |
Send Execute Write Response.
| connHandle | - connection to use |
| bStatus_t ATT_FindByTypeValueRsp | ( | uint16 | connHandle, | |
| attFindByTypeValueRsp_t * | pRsp | |||
| ) |
Send Find By Tyep Value Response.
| connHandle | - connection to use | |
| pRsp | - pointer to response to be sent |
| bStatus_t ATT_FindInfoRsp | ( | uint16 | connHandle, | |
| attFindInfoRsp_t * | pRsp | |||
| ) |
Send Find Information Response.
| connHandle | - connection to use | |
| pRsp | - pointer to response to be sent |
| bStatus_t ATT_HandleValueInd | ( | uint16 | connHandle, | |
| attHandleValueInd_t * | pInd | |||
| ) |
Send Handle Value Indication.
| connHandle | - connection to use | |
| pInd | - pointer to indication to be sent |
| bStatus_t ATT_HandleValueNoti | ( | uint16 | connHandle, | |
| attHandleValueNoti_t * | pNoti | |||
| ) |
Send Handle Value Notification.
| connHandle | - connection to use | |
| pNoti | - pointer to notification to be sent |
| bStatus_t ATT_PrepareWriteRsp | ( | uint16 | connHandle, | |
| attPrepareWriteRsp_t * | pRsp | |||
| ) |
Send Prepare Write Response.
| connHandle | - connection to use | |
| pRsp | - pointer to response to be sent |
| bStatus_t ATT_ReadBlobRsp | ( | uint16 | connHandle, | |
| attReadBlobRsp_t * | pRsp | |||
| ) |
Send Read Blob Response.
| connHandle | - connection to use | |
| pRsp | - pointer to response to be sent |
| bStatus_t ATT_ReadByGrpTypeRsp | ( | uint16 | connHandle, | |
| attReadByGrpTypeRsp_t * | pRsp | |||
| ) |
Send Read By Group Type Respond.
| connHandle | - connection to use | |
| pRsp | - pointer to response to be sent |
| bStatus_t ATT_ReadByTypeRsp | ( | uint16 | connHandle, | |
| attReadByTypeRsp_t * | pRsp | |||
| ) |
Send Read By Type Respond.
| connHandle | - connection to use | |
| pRsp | - pointer to response to be sent |
| bStatus_t ATT_ReadMultiRsp | ( | uint16 | connHandle, | |
| attReadMultiRsp_t * | pRsp | |||
| ) |
Send Read Multiple Response.
| connHandle | - connection to use | |
| pRsp | - pointer to response to be sent |
| bStatus_t ATT_ReadRsp | ( | uint16 | connHandle, | |
| attReadRsp_t * | pRsp | |||
| ) |
Send Read Response.
| connHandle | - connection to use | |
| pRsp | - pointer to response to be sent |
Send Write Response.
| connHandle | - connection to use |


Try out our Premium Member services: Virtual Legal Assistant, Query Alert Service and an ad-free experience. Free for one month and pay only if you like it.
NATIONAL GREEN TRIBUNAL, PRINCIPAL BENCH, NEW DELHI Application No. 5/2012 Wednesday, the 8th day of February, 2012 Quorum: 1. Hon'ble Justice Shri C. V. Ramulu (Judicial Member) 2. Hon'ble Prof. R. Nagendran (Expert Member) B E T W E E N: Sri Lakshmi Minerals Rep. by its Proprietor, A.Lakshmanan, D.No. 11/20 Near Railway Gate, Bodinaickanpatti Road, Sivadaparam-Post, Salem-636 307 ....... Applicant A N D: 1. The Tamil Nadu Pollution Control Board Rep. by its Chairman 76, Mount Road, Guindy Chennai-600 032 2. The District Environmental Engineer Tamil Nadu Pollution Control Board 1/276, Meyyanur Main Road Salem- 636 004 3. The Tamil Nadu Electricity Board Rep. by its Asst. Engineer (Operation and Maintenance) TNEP Office, Sivanthapuram- 636 307 Salem Taluk & District ....... Respondents ORDER
(Order delivered by the Bench) This application is filed seeking a direction to the Respondents to inspect the unit of the Applicant and to consider the representation made by it to the Respondent No. 2 on 10.06.2011 and 11.07.2011 for grant of consent to operate the Unit.
It appears that by an order dated 31.05.2010 passed by the Respondent No. 1, the Unit of the applicant was directed to be closed and further directed the Respondent No. 3 to stop supply of electricity, purported to be Under Section 31-A of Air (Prevention and Control of Pollution) Act 1981 and Under Section 33-A of Water (Prevention and Control of Pollution) Act 1981. The applicant has not availed any appeal as provided under the respective Acts. However, it had made two representations requesting the Respondent No. 2 to inspect the Unit and to grant letter of consent, after visiting the unit, as per law. Though no appeal is filed against the order dated 31.05.2010 the above mentioned representations were filed after rectifying the defects pointed out by the authorities under the said Acts earlier. Now, the grievance of the applicant is that the said representations were not considered by the Respondent No. 2, till date.
When we expressed doubt as to maintainability of this very application in this shape, the Learned Counsel Shri P. Prashanth representing Shri T. Harish Kumar, Advocate vehemently submitted that though no appeal is filed against the order dated 31.05.2010, since the representations filed by the unit are not considered by the Respondent No. 2, a substantial question arise under section 14 of the NGT Act, and the unit is closed for a long time causing economic loss and the men employed are without any job now. Therefore, this application is maintainable.
We are afraid, we may not be able to agree with the submissions made by the learned counsel Shri P. Prashanth. Whether appeal is filed or not against the order of the Respondent No. 1 dated 31.05.2010, this application is not maintainable seeking a direction to the Respondent No. 2 to dispose of representation filed on 10.06.2011 and 11.07.2011. Further, no substantial question of law relating to environment had arisen as contemplated under section 14 of the NGT Act. May be the applicant has rectified the defects pointed out earlier, which were the basis for the closure of the unit.
Under these circumstances, the application is disposed of at admission stage with the following direction:
a) the applicant to approach the Respondent No. 2 seeking disposal of his representation dated 10.06.2011 and 11.07.2011 and it is always open for the Respondent No. 2 to dispose of the said representations as expeditiously as possible, as per law.
b) the applicant is also at liberty to file an appeal against the order passed by the Respondent No. 1 dated 31.05.2010, if he is so advised and it is always open for the appellate authority to consider the same as per law, including the limitation aspect of the matter.
The application stands disposed of accordingly. No costs.
(Prof. Dr. R. Nagendran) (Justice C V Ramulu) Expert Member Judicial Member


Form Content Editable is a Javascript plugin with 0 dependencies, that makes a div with html behaves like a normal textarea.
asdf
hello world
You can see the differents events that happend while you interact with the webpage
This is the body that will be content editable once you do click here


QMflows different {border-style input workflow px;} #ffffff;} Python calculation key specific tasks data generic geometry use Noodles optimization used user words workflows DFT execution packages quantum structure task Figure code example molecules Chem. chemistry computational dependencies set users Comput. highlighted package parallel results run software PLAMS common database job library output program px; step workflows. {font-family Example allows available font-size molecular new number packages. provided settings using allow analysis automatically basis calculations. chemical default dependency double; given interfaces line multilevel need package. script workflow. ADF Phys. Supporting automation border-color border-width case codes complex desired exchange-correlation features functional level makes perform require simple solid; state stored template templates transition tree {font-style {font-weight Chemical Chemistry DFTB Module Netherlands Organic Sci. Visscher action actions actual bold calculations calls computing courier; define definition em; excited executed green. lowest materials metadata multiple object open particular presented programming properties provide provides pt;} red, resources. restart retrieve structures theory word


All the cool kids love Node.js. I’ve used it a little, and it’s fine; I was able to do what I wanted to do, and it wasn’t particularly painful. It’s fun to use something new, and it’s relatively straight-forward to get started so it’s an emotionally satisfying experience.
There are several reasons you might want to use Node.js, and I’ll ignore many of them, but I want to talk about one in particular:
Javascript on the client and the server!
Is this such a great feature? I think not…
You only need to know one language!
Sure. Yay ignorance! But really, this is fine but unlikely to be relevant to any current potential audience for Node.js. If you are shooting for an very-easy-to-learn client-server programming system, Node.js isn’t it. Maybe Couch or something similar has that potential? But I digress.
It’s not easy to have expertise at multiple languages. But it’s not that hard. It’s considerably harder to have expertise at multiple platforms. Node.js gives you one language across client and server, but not one platform. Node.js programming doesn’t feel like the browser environment. They do adopt many conventions when it’s reasonable, but even then it’s not always the case — in particular because many browser APIs are the awkward product of C++ programmers exposing things to Javascript, and you don’t want to reproduce those same APIs if you don’t have to (and Node.js doesn’t have to!) — an example is the event pattern in Node, which is similar to a browser but less obtuse.
You can work fluidly across client and server!
If anything I think this is dangerous rather than useful. The client and the server are different places, with different expectations. Any vagueness about that boundary is wrong.
It’s wrong from a security perspective, as the security assumptions are nearly opposite on the two platforms. The client trusts itself, and the server trusts itself, and both should hold the other in suspicion (though the client can be more trusting because the browser doesn’t trust the client code).
But it’s also the wrong way to treat HTTP. HTTP is pretty simple until you try to make it simpler. Efforts to make it simpler mostly make it more complicated.  And that’s all neat, but you should always be thinking about sending information. And never sharing information. It’s not a fluid boundary, and code that touches HTTP needs to be explicit about it and not pretend it is equivalent to any other non-network operation.
Certainly you don’t need two implementation languages to keep your mind clear. But it doesn’t hurt.
You can do validation the same way on the client and server!
One of the things people frequently bring up is that you can validate data on the client and server using the same code. And of course, what web developer hasn’t been a little frustrated that they have to implement validation twice?
Validation on the client is primarily a user experience concern, where you focus on bringing attention to problems with a form, and helping the user resolve those problems. You may be able to avoid errors entirely with an input method that avoids the problem (e.g., if a you have a slider for a numeric input, you don’t have to worry about the user inputing a non-numeric value).
Once the form is submitted, if you’ve done thorough client-side validation you can also avoid friendly server-side validation. Of course all your client-side validation could be avoided through a malicious client, but you don’t need to give a friendly error message in that case, you can simply bail out with a simple 400 Bad Request error.
At that point there’s not much in common between these two kinds of validation — the client is all user experience, and the server is all data integrity.
You can do server-side Javascript as a fallback for the client!
Writing for clients without Javascript is becoming increasingly less relevant, and if we aren’t there yet, then we’ll certainly get there soon. It’s only a matter of time, the writing is on the wall. Depending on the project you might have to put in workarounds, but we should keep those concerns out of architecture decisions. Maintaining crazy hacks is not worth it. There’s so many terrible hacks that have turned into frameworks, and frameworks that have justified themselves because of the problems they solved that no longer matter… Node.js deserves better than to be one of those.
In Conclusion Or Whatever
I’m not saying Node.js is bad. There are other arguments for it, and you don’t need to make any argument for it if you just feel like using it. It’s fun to do something new. And I’m as optimistic about Javascript as anyone. But this one argument, I do not think it is very good.
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Finally, a voice of sanity.
y’know, I always thought it would be a good idea to share JS code both client and server in theory but I never tried to do it and never really thought it through. I must admit you have some good points here.
I guess it’s only appealing if you’re coming from a language like Java. Otherwise, if you didn’t have to why would you choose to use Javascript… (It’s not a bad language at its core, just too many insanities along with it.)
What do you guys do everything in visual studio or what? Javascript is a fantastic language, having nothing to do with Java.
@Joe whoa there! Michael is just saying that JavaScript (which he well knows is not Java) isn’t as attractive to someone already using a language like, say, Ruby or Python. I am pretty sure the Django programmers I know aren’t about to start using JavaScript for their server-side work any time soon, but many of them know enough about JavaScript to be able to maintain asset catalogs and deliver just the necessary JS code to the client with each page, say. Same goes for the Rails people, I would guess.
JavaScript is an OK language with sensible developers behind it who are trying to make it better. And of course the connection with Java is simply that Java was so hot in 1993/4 that Netscape couldn’t resist trying to tar their new language with the same brush despite obvious dissimilarities.
“the client is all user experience, and the server is all data integrity.” I don’t think about it this way. In both cases, you need to validate the data the same way, you just respond to invalid data differently. Sliders or not, at the end of the day a lot (probably most) of the data from the end user ends up typed into text fields and it needs the same validation in both places. True this is not an enormous benefit, but it’s still a good benefit.
Honestly, node.js does have a lot of buzz, but I don’t think anyone in the community is arguing that the sharing across client/server is a primary cause of the hype. I think folks are excited by the async mindset, high concurrency, general cleverness that is happening around node, with sharing code as a nifty bonus.
But thanks overall, Ian, for a well-written post.
You know, I’ve had a sneaking suspicion that this was the case. I’ve been anxious that it was not, that JS on the client and JS on the server was going to be a killer advantage of Node and make Twisted gradually irrelevant, because Javascript is so damn popular, because deployment is king, and it’s deployed everywhere. Your post has settled my nerves a bit :).
You see, one of the big advantages of Twisted is that you can use Python on the client and Python on the server. I’ve worked on thick client, client-server applications with Twisted, and boy, do I miss it. It’s a really pleasant experience. It dramatically decreases the amount of testing you have to do. It decreases the amount of data modeling you have to do and the proliferation of a million different almost-but-not-quite-the-same data structures. It doesn’t have most of the issues that you’re talking about, because you really can use the same libraries in both places, and you can trivially write new libraries that work in both (because it’s the same Python VM everywhere). I sincerely hope that one day I can replicate that experience with a web browser, by treating the browser as a dumb deployment target and just sending it a bunch of Python code, in the form of x86 code for NaCl, or javascript emitted from PyPy’s not-really-currently-working JS backend, or something like that. Because the browser is what you get to work with in this sad, modern world.
I thought that Node might have beaten us to the punch, and that I’d be fated one day to work on applications in some half-assed server-side JavaScript IDE instead of a nice Twisted environment with all of its attendant features and bells and whistles. This is a very straightforward progression of the worse-is-better phenomenon and it was starting to bum me out a little bit.
But the ray of hope you’ve given me is this: JavaScript is really, really terrible. Like, literally unusably bad; i.e. there are many problems for which you simply cannot use it. In the original worse-is-better scenario, C had all kinds of flaws compared to lisp; its compilers, debuggers, and profilers weren’t as good; there were barely any GUIs by the time all Lisp development was being done on bitmapped displays, and so on. But C (and UNIX) had one killer feature: it got libraries right. You could just smash some C files into a directory, and then re-use them. To quote RPG:
“In the worse-is-better world, integration is linking your .o files together, freely intercalling functions, and using the same basic data representations.
However, if there’s one key design criterion for browsers, it is making the woes of your implementation technology impact the entire system as much as possible. We’re getting close to 20 years into JavaScript, and still it has no standard - or even widely recognized – notion of a “library” – or even a “main program” beyond “stuff some crud into your DOM, oh and by the way I hope you’re using HTML”. As you’re outlining the practical issues with re-using libraries from the browser, like for example the fact that you can’t actually implement many standard JavaScript features in standard JavaScript (still!), I realize that these concerns are not snobbish aesthetic affectations that I have in my insulated Python mindset, but real issues that affect people trying to use these technologies every day.
I’m sure that this situation can get better (and I hope it does, because I’m sure I’ll have to write browser javascript again at some point in my career), but the fact that it is still this bad after this long is an indication that there’s still a strong livelihood to be had for Python on the internet. Anywhere where the problem is hard enough to actually need a re-usable library that does something more logically challenging than an expando-tab GUI pseudo-widget.
And also, as you point out, it’s not that bad to have to duplicate a little logic for the client. This is also heartening because I would definitely like to be able to leverage the browser platform (at the very least, for the Twisted web site!) and not have maintaining that logic be a total nightmare.
(As long as your client is fairly simple, of course. There are limits. It’s probably possible to compute synchronized 3-dimensional physical simulations, including using dead reckoning to predict the movement of actors across a network boundary, in a library with synchronized implementations in Python and JavaScript, but gee whiz I’m sure glad that’s not my job.)
So thanks for the ray of sunshine; although I guess it will probably look a lot more like doom and gloom for javascript programmers from other vantage points :).
I think the big win for Node.js is that it’s the first non-blocking server to get widespread interest. Obviously Twisted and Tornado have similar advantages, and you can do clever stuff with gevent and gunicorn and similar greenlet-based stuff and not even have to know that it’s non-blocking, but none of them have had the levels of popular interest that they deserve. Perhaps Django’s (well-deserved) dominance of the Python web space holds them back?
Node.js, on the other hand, perhaps because it’s interesting to all of the JS people who aren’t willing to learn other languages, and is the only popular JS server, is exposing non-blocking server IO to many more people. On the other hand, given the “not willing to learn other languages” thing, perhaps that’s not a plus.
It’s not my impression that people using Node are adverse to learning other languages. Many are comfortable with async callback-based programming from the browser (which works the same way). I think there’s actually a lot of positive work in the Node community to make Javascript programming more reasonable, and it shows the maturity of work done by people familiar with many other environments (while still trying to be aesthetically true to Javascript’s nature).
Sorry, I was unclear. A lot of people who don’t want to learn languages other than JavaScript have been drawn to server programming because of the existence of Node.js, so there are a lot of monoglots among its users. But that’s not to say that all Node.js users are monoglot. It’s a unidirectional implication.
“so there are a lot of monoglots among its users”
Do you have any evidence to back up that statement?
Anecdotally, that has been untrue in my experience. In fact, it’s more the opposite. The people I’ve met who use Node.js are some of the most versatile and well-rounded developers I know. Most of them are trying out Node.js, because they are interested in how it compares to another solution they’re currently using. I see mostly people from the Python community but also devs from Ruby and JVM (Scala/Clojure).
I’m not saying you’re wrong, but the monoglot statement does not fit with my experience — admittedly with a small sample.
Interesting. I first heard about Node.js from people who regarded themselves as “JavaScript guys” and liked the idea of it because they’d not need to learn another programming language to do server programming. (BTW when I say “monoglot” I mean just that they only know one language fluently, they doubtless learned other languages when kids/at school/uni — just as I’m monoglot in human languages despite having learned French and German at school.)
But perhaps when I said “a lot” I was overgeneralising from my own experience.
“You can do server-side Javascript as a fallback for the client!” “Writing for clients without Javascript is becoming increasingly less relevant” Really?   Most of them. IE6? Forget about it. Yeah they have js, but only just, using node.js to serve up static resources is an awesome option for those cases, and the more devices that get online, the more feature rich websites get, the more compelling this becomes
Good points in the article but one note;
ECMA proxies are definitely not an
unimplementable
api in Node.In fact Node was designed to be extensible in just this way. isaacs has created Node extension that implements most of the Harmony proxies API: https://github.com/isaacs/node-proxy
I think this is a very well written albeit severely misguided post.
Re: You Only Need To Know One Language:
Like it or not this is less cognitive load, no matter how good a programmer you think you are.
Re: You Get to Share Libraries
You conveniently miss the reality that there are already hundreds of high quality and useful libraries that work on both the client and the server. To name a few: jQuery, YUI, Underscore.js, Require.js, Processing.js….
The argument that browser APIs are different is irrelevant. The vast majority of browser API landscape is available on the server-side e.g. JSDom (full Dom on the server), node-canvas (full canvas tag API on the server).
Re: You can work fluidly across client and server
If you require a language barrier to make you think about implementing security constraints between the client and the server then you have far greater things to worry about when it comes to security: i.e. incompetence.
Re: You can do validation the same way on the client and server!
Yes validation on the client is a user experience concern. Its great to be able to fully inform the user of any issues before having to wait for requests to the server-side. This allows real-time validation for free. I really don’t get your point here. What the problem?
Re: You can do server-side Javascript as a fallback for the client!
Two things immediately come to mind: 1. SEO e.g. Google indexing an RAI 2. blind people (no ARIA etc is not always adequate).
I don’t think anyones trying to dismiss Ruby, Python, Scala, Erlang, Haskell, LOLcode… whatever… as irrelevant on the server because of JavaScript. All the best to those communities, if it works for you – great =D.
Many people however do find full stack JavaScript to be an awesome environment to work in. Including many new developers who come from other walks of life and don’t want the overhead of learning multiple languages straight away. Spreading FUD, or simply misguided non-factual unfounded opinion, helps nobody.
Well, I won’t reply because I’ve made my statement and people can judge on their own. But your snide conclusion is unnecessary, and is no small part of why I will refrain from further engaging with your arguments.
Agreed the LOLcode was in bad taste. My sincere apologies for that. April fools sillyness gone wrong.
Regardless my remaining points are factual as far as I am aware.
No ones trying to attack existing server-side languages and say you should only use JavaScript. Yet for some reason you feel you must attack JavaScript and as I outlined above I don’t believe any of your points, albeit well said, are an actual reflection of reality.
While @JSNinjaTrainer is technically correct that Ian’s post is not at all accurate the negativity is unnecessary. The comment unfortunately is a disservice to an otherwise sound argument and those who would stand beside it.
JSNinjaTrainer, some of your counterpoints are valid, but some are kind of contradictory. Here are two points you made:
Re: You Only Need To Know One Language: “Like it or not this is less cognitive load….” Re: You can work fluidly across client and server: “If you require a language barrier … i.e. incompetence.”
So it’s okay and desirable in the first case to seek less cognitive load, but the desire for less cognitive load in the second case is a mark of incompetence? Couldn’t you just as easily say that a client/server language barrier is less cognitive load? Or (if you want to be negative) that only knowing one language is a mark of incompetence?
@Will, first thank you for a constructive reply to a somewhat non-constructive comment!
I think “You Only Need To Know One Language” would be better labelled “You Only Need To Program Your Application In One Language”, excluding HTML & CSS which are domain specific of course. This is less cognitive load as I find it easier to focus on solutions rather than “context switching” between two quite different languages on the client and server.
> Couldn’t you just as easily say that a client/server language barrier is less cognitive load?
Yes good point. I think my point on client-server separation for security was not well made.
If your using a language barrier to implement security your possibly thinking (in the context of security) about two things: the security AND the different language. Whereas with a single language stack you only need to focus on one thing: security.
Simply ignoring security because there is no language barrier, or alternatively relying solely on a language barrier for security, would be incompetence.
Having a language barrier yet still thinking about security concerns would, I concede, be a matter of personal preference, and not a sign of any incompetence.
> that only knowing one language is a mark of incompetence?
Yes it would at least big a strong warning sign. Personally I know enough C, PHP, Ruby, Java and JS to not be limited by the language when writing any program in any of those, as well as a whole range of DSLs. Yet I still prefer a single language stack and knowing those other languages most definitely improves my JS code.
It may not always be possible for a beginner to learn so many languages, which I believe is one case that can benefit greatly from single language stacks e.g. teaching web programming courses that include both the client and server-sides.
Again thanks for the constructive points! I regret getting annoyed by the rampant inaccuracy of the post and not starting a more constructive debate.
I wonder if these same points would be made if people had the ability to do in all the browsers and started using full python stacks ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
opps filter stripped out my script tags, last sentence of last post should have read:
I wonder if these same points would be made if people had the ability to do script type=text/python in all the browsers and started using full python stacks ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
For some reason my comment earlier disappeared so re-posting…
While @JSNinjaTrainer is technically correct that Ian’s post is far from accurate the negative tone is unnecessary. The comment is unfortunately a disservice to an otherwise sound argument and those who would stand beside it.
It’s almost off-topic. Nobody talks about other scripting language in the browser that’s a big question imo. Most people learned javascript but still – who won’t agree – it’s an hard language to start with, and further doing complex thing is still hard. Just like PHP for the server side, it’s good at some point then people have to move on to increase their possibilities/productivity/maintenability. I’m not monoglot, so don’t. Is is that hard to get python in the browser for real ?
It’s another extended discussion, but I don’t expect to ever see Python on the browser, nor do I think it would be a useful idea to pursue. Maybe someday there will be a place for another language in the browser besides Javascript, but I expect it to be a language designed for that purpose rather than a language ported into the browser. CoffeeScript at least hints at what that might look like, though it’s hard to really see CoffeeScript as more than a light syntax remodeling for Javascript. But maybe it’s a step on the way to a viable spectrum of browser-based languages.
I think .NET and the CLR is a good piece of evidence for this generally: it supports multiple languages, and great effort has been put into this, but ultimately all the successful languages have been new languages designed to fit the environment; ported languages (e.g., IronPython) haven’t been very successful and I don’t have any faith in their long-term viability.
(My opinion is also based on a bunch of very concrete issues with Python in the browser, but that’s where the discussion becomes extended ;)
Indeed, Node and browser-land are different platforms, and this, to me, is the only real concrete argument for why javascript everywhere isnt a huge win v. the existing joint different language and different platform combo existing setups present. However there are numerous shims/polyfills out there to bridge these differences. env-js, crosscheck, and jsdom are three various efforts to get the DOM usable as ssjs. browser-shim, gemini exist to bring the node platform into browser space. JS is a flexible enough language that these or most any inherent platform differences can be paved over. No, it’s not easy to cleanly harness these different pieces, to cobble together a well working Frankenstein dual-platform, but SSJS is still at its inception… well, LiveWire, circa `96, aside. What’s hard now will only get easier and more natural. The tooling is being birthed as we speak here.
I’d really like elaboration on what you’re attempting to refute in “You can work fluidly across client and server!”. Can you name some existing projects which purport to do this, or cite any cases where you feel the distribution boundaries between client and server have been made too thin? I’m trying to wrap my head around what is being refuted here; it’s not clear what arguments and examples you are writing in reply to.
What about other non-JS server stacks, which of them go too far in mixing server and client state into one undecypherable intractable ball (in violation of the primary directive of distributed computing)? Was ASP.NET a bridge too far? Rails’ JS integration? And does the mere presence of JS on both sides imply this muddling has already happen, that work is being done too fluidly, code or state shared in some insecure or ill conceived manner?
I’d throw the following into the “pro” side of using JS everywhere: extensions/polyfills like underscore or kaffeine, solved native ser/deser (JavaScript Object Notation), being able to leverage the same documentation frameworks (JSDoc, Doxygen), code style policies, and code quality checks (JSLint). javascript everywhere can be a huge advantage.
From a writing perspective, the conclusion could be a lot more effective, IMO. “But this one argument, I do not think it is very good,” is a weakly linked to the topic, mentioned only at the top (“Javascript on the client and the server!”) and doesnt really draw together what the goal of client and the server both would be and how your arguments against work out.
Mostly, I think this is a result of insufficient exploration of the problem space; what “Javascript on the client and server” is purported to provide isnt linked or discussed anywhere. Instead the conclusion is left to refute a wide focus of things never defined in the first place. Over half the time I’m under the impression this article is an argument against “dual sided” templating/ajax, but the conclusion wanders back to node as webapp framework, which in many cases is altogether very different.
I’m disappointed in what I perceive as your over-reaction to JSNinjaTrainer, Ian. In spite of his flippant uncalled for ending, the majority of his post was a well reckoned technical rebuttal, one I agree with in quite a few places, and think deserves more discussion. Cutting it short on account of injury is a disservice to the discussion you welcomed in by creating this post. I’d encourage you to move past the injurious LOLCode, which has been apologized for.
Things like server-side DOM are largely for this purpose, except insofar as they are intended to support testing (though testing seems like the majority of uses in what I’ve seen). Well… there are entirely distinct ways to use the DOM as well (e.g., spidering) which don’t rely on client-server integration. Ironically Javascript has generally had really terrible HTML handling (no freakin’ parser!) so at this point it’s still playing catch-up. (But unlike in other languages communities I think the audience will be more inclined to make full use of what it has once it does catch up.)
But you are right that I am refuting a vaguely stated argument — I don’t think I’m imagining the argument, but it’s the feeling I get from a lot of people I personally know who become excited about Node. This excitement is vague because it’s usually not about what they are concretely making, but about their excitement about what they could make with Node. So it’s not like people are making studious arguments about the benefits of Node, nor am I claiming all their enthusiasm is misguided (and it’s fine to be enthusiastic without any justification whatsoever!), but at least on this count I am skeptical.
And in these personal discussions the idea of Javascript on the server and client is clearly a feature of people’s excitement.
Yes, and I abhor this cleverness in other languages even more than in Javascript ;)
IMHO good sharing across systems is done with documents (JSON being a perfectly good document syntax). Frequently the documents are shared over HTTP… but even in Javascript the IPC I’ve seen has been mostly text-based (typically with JSON layered on top, much like HTTP). Once you are doing this level of abstraction it’s pretty much as easy to communicate with other languages as with Javascript, all the dynamic languages handle JSON well.
I found his entire post snide, and his argument style is one that I find if I engage with only leaves me pointlessly frustrated. But I’ve considered revisiting it with an answer.
Like many parts of the Javascript community that are forming, the tone of the Javascript community is still to be defined. Now is a time when it would be good to be conscious of that tone.
Every application has a common set of code needed to be run on the server and the client. All apps I wrote needed this, I can hardly imagine other apps don’t. Therefore, there’s always a shared library between client and server. At least for the data definitions.
Your article does have a point, but I would have to disagree with the conclusion.
I’m a hardcore C++ desktop apps programmer and have been for the last 15 years – web development is not my primary occupation, but I’ve done it a lot and I like it. And from everything I’ve tried so far on the server-side (Visual Basic .exe CGI’s in the 90′s, ASP, JSP, Perl, PHP, FastCGI modules), nodejs experience is very refreshing and productive.
In the case of nodejs, it is not necessarily the Javascript everywhere that is the attractor for me. It is the speed of that thing, code re-use between the browser/server and no context-switching between languages. The async API of nodejs makes it a bit unpleasant — all those callbacks and callbacks within callbacks are at some point quite horrible.
But I spent 2 days and learned CoffeeScript and node.js experience (as well as browser js experience) has improved dramatically. With CoffeeScript you get the clean syntax of Python/Ruby, the flexibility of Javascript and the speed of nodejs.
So instead of Javascript everywhere, I would vote for CoffeeScript everywhere :).
that’s why I use vbScript on the client and vbScript on the server! Dead serious, it’s totally worth it!


Index
A B C D G I L O P R S T U V
All Classes|All Packages
All Classes|All Packages
All Classes|All Packages
U
- update(String, Post) - Method in interface business.PostBusinessInterface
- update(String, Post) - Method in class business.PostBusinessService
- update(String, Post) - Method in class data.PostDataAccessObject
- update(String, User) - Method in class data.UserDataAccessObject
- update(String, T) - Method in interface data.DataAccessInterface
- update(String, T) - Method in interface data.PostDataAccessInterface
- update(String, T) - Method in interface data.UserDataAccessInterface
- User - Class in beans
-
Managed bean holding information on a single user including first and last name, username and password, and email.
- User() - Constructor for class beans.User
- User(User) - Constructor for class beans.User
- UserAuthentication - Class in beans
-
Managed bean used for authentication.
- UserAuthentication() - Constructor for class beans.UserAuthentication
- UserAuthenticationInterface - Interface in business
-
Interface designed for the business logic of user authentication.
- UserAuthenticationService - Class in business
-
Session Bean implementation class UserAuthenticationService
- UserAuthenticationService() - Constructor for class business.UserAuthenticationService
-
Default constructor.
- UserDataAccessInterface<T> - Interface in data
-
Interface to wrap initial DAO interface for User objects.
- UserDataAccessObject - Class in data
-
Implementation of the class UserDataAccessObject designed for handling CRUD operations of User Objects.
- UserDataAccessObject() - Constructor for class data.UserDataAccessObject
- username - Static variable in interface data.DataAccessInterface
- UserRestService - Class in business
-
Implementation of the class UserRestService.
- UserRestService() - Constructor for class business.UserRestService
- UserRestServiceInterface - Interface in business
-
Interface designed to handle REST request involving users information
All Classes|All Packages


Cucumber-JVM consists of several modules (jars) that you can download from the public maven repo.
If you like living dangerously you can also get SNAPSHOT builds from the sonatype snapshot repo.
<repository>
<id>sonatype-snapshots</id>
<url>https://oss.sonatype.org/content/repositories/snapshots</url>
<snapshots>
<enabled>true</enabled>
</snapshots>
</repository>
You will always need the cucumber-core
module, which contains the main logic for parsing and executing your Gherkin feature files.
If you’re wondering what the latest Cucumber-JVM release is, check out the tags on Github.
The easiest is to grab the jars you need with Maven or Ant
In addition to cucumber-core
you will also need a programming language-specific module, depending on what programming language you are using. The available programming language modules are:
| Language/Platform | Jar file |
|---|---|
| Java | cucumber-java |
| Clojure | cucumber-clojure |
| Groovy | cucumber-groovy |
| Ioke | cucumber-ioke |
| JavaScript (Rhino interpreter) | cucumber-rhino |
| Python (Jython interpreter) | cucumber-jython |
| Ruby (JRuby interpreter) | cucumber-jruby |
| Scala | cucumber-scala |
| Android | cucumber-android |
If your programming language is Java you will be writing glue code (Step Definitions and Hooks) in plain old Java classes. Cucumber will create a new instance of each of your glue code classes before each Scenario. If all of your glue code classes have an empty constructor you don’t need anything else. However, most projects will benefit from a Dependency Injection module to organize your code better.
The available Dependency Injection modules are:
| Dependency Injection Container | Jar file |
|---|---|
| PicoContainer | cucumber-picocontainer |
| Guice | cucumber-guice |
| OpenEJB | cucumber-openejb |
| Spring | cucumber-spring |
| Weld | cucumber-weld |
| Needle | cucumber-needle |
There are several ways to run Gherkin Features with Cucumber-JVM:
| Runner | Jar file |
|---|---|
| Command Line Interface | cucumber-core |
| JUnit Runner | cucumber-junit |
| Android Runner | cucumber-android |
The JUnit Runner lets you run Cucumber from any tool that understands JUnit. This includes IDEs (such ash IntelliJ or Eclipse) and build tools (such as Ant, Maven or Gradle).
Any build tool can execute command line programs (Cucumber’s Command Line Interface), so if you prefer this way to run your features you don’t need the cucumber-junit
module.
This should help you pick the 2 or 3 modules you need. Let’s install them:
You can browse your way to the modules you need in the Sonatype repository. Or you can search for them in Maven Central.
Installing the various cucumber-*
modules in a Maven project is just a matter of adding them to your pom.xml
file. Here is the minimal recommended setup:
<dependencies>
<dependency>
<groupId>info.cukes</groupId>
<artifactId>cucumber-picocontainer</artifactId>
<version>1.1.5</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>info.cukes</groupId>
<artifactId>cucumber-junit</artifactId>
<version>1.1.5</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
</dependencies>
You don’t have to explicitly add a dependency on cucumber-core
as all the other packages depend on it.
Take a look at the cucumber-java-skeleton build.xml file.


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*** User 2017-04-20 14:15:59.608 ***
14:15:59.608 [info] Disabling blocking sync...
*** User 2017-04-20 14:15:59.611 ***
14:15:59.611 [info] Configured peer_service_manager partisan_default_peer_service_manager on node 'node-1@antoine-PC'
*** User 2017-04-20 14:16:00.937 ***
14:16:00.937 [info] Enabling membership...
*** User 2017-04-20 14:16:00.938 ***
14:16:00.938 [info] Disabling blocking sync...
*** User 2017-04-20 14:16:00.941 ***
14:16:00.941 [info] Configured peer_service_manager partisan_default_peer_service_manager on node 'node-2@antoine-PC'
*** User 2017-04-20 14:16:02.276 ***
14:16:02.275 [info] Enabling membership...
*** User 2017-04-20 14:16:02.276 ***
14:16:02.276 [info] Disabling blocking sync...
*** User 2017-04-20 14:16:02.280 ***
14:16:02.280 [info] Configured peer_service_manager partisan_default_peer_service_manager on node 'node-3@antoine-PC'
*** User 2017-04-20 14:16:02.448 ***
Joining node: 'node-3@antoine-PC' to 'runner@antoine-PC' at port 54123
*** User 2017-04-20 14:16:02.448 ***
Joining issued: 'node-3@antoine-PC' to 'runner@antoine-PC' at port 54123
*** User 2017-04-20 14:16:02.448 ***
Joining node: 'node-2@antoine-PC' to 'runner@antoine-PC' at port 58793
*** User 2017-04-20 14:16:02.448 ***
Joining issued: 'node-2@antoine-PC' to 'runner@antoine-PC' at port 58793
*** User 2017-04-20 14:16:02.449 ***
Joining node: 'node-1@antoine-PC' to 'runner@antoine-PC' at port 33766
*** User 2017-04-20 14:16:02.453 ***
Joining issued: 'node-1@antoine-PC' to 'runner@antoine-PC' at port 33766
*** User 2017-04-20 14:16:02.513 ***
Waiting for join to complete with manager: partisan_default_peer_service_manager
*** User 2017-04-20 14:16:02.514 ***
Finished.
*** CT 2017-04-20 14:16:02.514 *** COVER INFO
Adding nodes to cover test: ['runner@antoine-PC']
*** CT 2017-04-20 14:16:02.520 *** COVER INFO
Successfully added nodes to cover test: []
*** User 2017-04-20 14:16:02.941 ***
Case finished: union_test
*** User 2017-04-20 14:16:09.978 ***
14:16:09.978 [info] Application lasp exited with reason: stopped
*** User 2017-04-20 14:16:09.979 ***
14:16:09.979 [info] Application partisan exited with reason: stopped
=== Ended at 2017-04-20 14:16:09
=== successfully completed test case
=== Returned value: ok
Test run history
| Top level test index


| Interface | Description |
|---|---|
| BackupAwareOperation |
A BackupAwareOperation is an Operation to indicate then when a change is made, a
BackupOperation is created to replicate the backup. |
| BackupOperation |
When an
BackupAwareOperation makes a change, the backups need to be replicated to other
members (depending on the configuration and if change really happened). |
| Callback<T> |
A callback interface; make it possible to receive a callback.
|
| ClientAwareService |
A interface that can be implemented by a SPI Service so that it can be notified about client disconnects.
|
| ConfigurableService<T> |
A capability for SPI services.
|
| CoreService |
Marker interface for core Hazelcast services.
|
| EventFilter |
A predicate that can filter out events.
|
| EventPublishingService<E,T> |
A service for publishing events.
|
| EventRegistration |
The result of a Event Registration.
|
| EventService |
Component responsible for handling events like topic events or map.listener events.
|
| ExecutionService |
A Service responsible for providing access to 'system' executors and customer executors.
|
| ExecutionTracingService |
Service that keeps registry of operations' execution/lifecycle.
|
| InitializingObject |
Can be implemented by DistributedObject (proxies) to indicate that they want to be initialized.
|
| InternalCompletableFuture<E> |
A
ICompletableFuture with more functionality like getting
the result without needing to deal with checked exceptions. |
| ManagedService |
A interface that can be implemented by a SPI Service to receive lifecycle calls:
initialization
shutdown
reset
|
| MembershipAwareService |
An interface that can be implemented by a SPI service that needs to be notified members joining and leaving
the cluster.
|
| MigrationAwareService |
An interface that can be implemented by SPI services to get notified of partition changes.
|
| NodeAware |
A 'capability' that can be implemented by object to get the Node injected.
|
| NodeEngine |
The NodeEngine is the internal heart of a member.
|
| NonThreadSafe |
Marker interface for non-thread-safe classes.
|
| Notifier |
A component used in wait/notify systems like Condition.
|
| ObjectNamespace |
An ObjectNamespace that makes identification of in object within a service possible.
|
| OperationFactory |
A Factory for creating
Operation instances. |
| OperationService |
The OperationService is responsible for executing operations.
|
| PartitionAwareOperation |
An interface that can be implemented by an operation to indicate that is should
be invoked on a particular partition.
|
| PostJoinAwareService | |
| ProxyService |
A
CoreService responsible for managing the DistributedObject proxies. |
| ReadonlyOperation |
Read-only operations are not retried during migration.
|
| RemoteService |
An interface that can be implemented by SPI-Services to give them the ability to create proxies to
distributed objects.
|
| ReplicationSupportingService |
An interface that can be implemented by SPI services to give them the ability to listen to
Replication Events.
|
| ResponseHandler |
A handler for the
OperationService when it has calculated a response. |
| ServiceConfigurationParser<T> |
A hook into the parsing system.
|
| SharedService |
A shared service (not clear what the difference is between shared and unshared though).
|
| SplitBrainHandlerService |
An interface that can be implemented by SPI services that want to be able to resolve a split brain.
|
| TraceableOperation |
Operation which has a traceable identifier
|
| TransactionalService |
An interface that can be implemented by SPI services that want to deal with transactions.
|
| UrgentSystemOperation |
An Marker interface that signals that an operation is an urgent System Operation.
|
| WaitNotifyKey |
A key for a wait notify object e.g.
|
| WaitNotifyService |
A service for object where one can wait on, like ICondition or a ILock when a thread needs
to wait for a lock to be released.
|
| WaitSupport |
A interface that can be implemented to participate in the Wait/Notify System.
|
| Class | Description |
|---|---|
| AbstractDistributedObject<S extends RemoteService> |
Abstract DistributedObject implementation.
|
| AbstractOperation |
Abstract
Operation implementation with some basic methods
implemented. |
| AbstractWaitNotifyKey |
Abstract implementation of the WaitNotifyKey.
|
| DefaultObjectNamespace |
Default
ObjectNamespace implementation. |
| InvocationBuilder |
The InvocationBuilder is responsible for building an invocation of an operation and invoking it.
|
| MemberAttributeServiceEvent |
This service event is fired to inform services about a change in a member's attributes collection
|
| MembershipServiceEvent |
Membership event fired when a new member is added
to the cluster and/or when a member leaves the cluster.
|
| Operation |
An operation could be compared the a
Runnable . |
| OperationAccessor |
Allows access to certain attributes on an Operation.
|
| PartitionMigrationEvent |
An
EventObject for a partition migration. |
| PartitionReplicationEvent |
An event send to
MigrationAwareService when partitions changes happen. |
| ServiceInfo |
Contains the name of the service and the actual service.
|
| Enum | Description |
|---|---|
| ExceptionAction |
The possible actions that can be taken when a certain exception is thrown.
|
Copyright © 2016 Hazelcast, Inc.. All Rights Reserved.


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Mount Airy, North Carolina
Siamese Twins Exhibit
This small exhibit explores the lives of Chang and Eng, the first known conjoined twins.
This entry is a stub
Help improve Atlas Obscura by expanding Siamese Twins Exhibit with additional information or photos.
Curated by the Surry Arts Council, this is the official exhibit of the world-famous conjoined twins, Chang and Eng Bunker. The twins actually moved to Mount Airy in 1845 in search of more fruitful farmlands and better education opportunities for their children. Many of their descendants still call the region home.
The exhibit explores their early lives in Mekong, Siam, up to their latter years in North Carolina. Pictures, articles, personal belongings, and informative binders from their descendants’ annual reunions help bring Chang and Eng’s life to light.
Their graves are just seven minutes away from the Surry Arts Council.
Know Before You Go
This exhibit shares the same address as the Andy Griffith museum. However, they share a different entrance. You do not need to enter (or pay) for the Andy Griffith section. Just simply enter the Chang and Eng exhibit by entering through the doors downstairs outside. Please leave a donation in the box.
Community Discussion
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No Comments Yet
Start the discussion.
forum Visit our forums.


Size Comparison 86,222 bytes minified bootstrap 3 reduced 116,689 bytes not-minified bootstrap 3 reduced 146,010 bytes not-minfied bootstrap 3 121,200 bytes minfied bootstrap 3 86,000 is 60.5% of 142,000


I am a full-stack web developer with a solid background in digital marketing. Experienced in JavaScript, Ruby on Rails, and React, I have managed company’s web site as well as coded and tested the functionality. My extensive background allows me to think creatively while applying the technicality of the software engineering.
Please check out my Resume, GitHub, and Linkedin down below.
Created, problem-solved, developed 4 web applications during a 12-week, 500+ hour full-stack web development immersive program.
Developed landing pages for specific properties with virtual tours.
Developed and managed media plans for Facebook page with 500K followers.
Coordinated and developed marketing materials and executed marketing plans.


500 Connections
In your real life social circle, how many people are you connected to?
No, that guy you knew in one class in high school doesn't count. Why? Well, because you probably don't really care about the baby pictures of his new kid.
What if there was a social network that recognized that your real social network isn't a group of 100k people that follow you?
SocialCircle is that network.
I believe so strongly that you should focus on the real network of people in your life that SocialCircle intentionally limits the size of a personal network to 500 connections.
You know something else that's annoying about social networks? Nothing is stopping that guy from high school from trying to add you to his network!
On SocialCircle, if someone tries to add you to their network and you don't connect with them, it's a strike against their total connections.
So, if you're looking for a social network that's for the people you really care about, check out SocialCircle today.
Matt Layman
Founder of SocialCircle


Eren Tor
something
something
6 level settings in html
click me
>
some long
something
paragraph
Eren
Yavuz
Ferhan
foxy
Ferhan
Yavuz
foxy
Eren
Name:
what fruits do you like?
apple
banana
blueberry
comments
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team
goals
points
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| 类 | 说明 |
|---|---|
| AbstractAllocationDecision |
An abstract class for representing various types of allocation decisions.
|
| AllocateUnassignedDecision |
Represents the allocation decision by an allocator for an unassigned shard.
|
| AllocationService |
This service manages the node allocation of a cluster.
|
| AllocationService.CommandsResult |
this class is used to describe results of applying a set of
AllocationCommand |
| DiskThresholdMonitor |
Listens for a node to go over the high watermark and kicks off an empty
reroute if it does.
|
| DiskThresholdSettings |
A container to keep settings for disk thresholds up to date with cluster setting changes.
|
| FailedShard |
A class representing a failed shard.
|
| IndexMetaDataUpdater |
Observer that tracks changes made to RoutingNodes in order to update the primary terms and in-sync allocation ids in
IndexMetaData once the allocation round has completed. |
| MoveDecision |
Represents a decision to move a started shard, either because it is no longer allowed to remain on its current node
or because moving it to another node will form a better cluster balance.
|
| NodeAllocationResult |
This class represents the shard allocation decision and its explanation for a single node.
|
| NodeAllocationResult.ShardStoreInfo |
A class that captures metadata about a shard store on a node.
|
| RerouteExplanation |
Class encapsulating the explanation for a single
AllocationCommand
taken from the Deciders |
| RoutingAllocation |
The
RoutingAllocation keep the state of the current allocation
of shards and holds the AllocationDeciders which are responsible
for the current routing state. |
| RoutingExplanations |
Class used to encapsulate a number of
RerouteExplanation
explanations. |
| RoutingNodesChangedObserver |
Records if changes were made to
RoutingNodes during an allocation round. |
| ShardAllocationDecision |
Represents the decision taken for the allocation of a single shard.
|
| StaleShard |
A class that represents a stale shard copy.
|
| 枚举 | 说明 |
|---|---|
| AllocationDecision |
An enum which represents the various decision types that can be taken by the
allocators and deciders for allocating a shard to a node.
|
| RoutingAllocation.DebugMode |


Caste Certificate Validity Details of Applicant's Blood Relation(s)
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Documents


Kindle - Making a PyTorch model easier than ever!
Kindle is an easy model build package for PyTorch. Building a deep learning model became so simple that almost all model can be made by copy and paste from other existing model codes. So why code? when we can simply build a model with yaml markup file.
Kindle builds a model with yaml file which its method is inspired from YOLOv5.
Installation
PyTorch is required prior to install. Please visit PyTorch installation guide to install.
You can install kindle
by pip.
$ pip install kindle


| Total net profit | 50.28 | Gross profit | 109.16 | Gross loss | -58.88 |
| Profit factor | 1.85 | Expected payoff | 0.85 | ||
| Absolute drawdown | 0.43 | Maximal drawdown (%) | 30.37 (43.62%) | ||
| Total trades | 59 | Profit trades (% of total) | 29 (49.15%) | Loss trades (% of total) | 30 (50.85%) |
| Long positions (won %) | 33 (48.48%) | Short positions (won %) | 26 (50.0%) | ||
| Largest | profit trade | 10.83 | loss trade | -10.55 | |
| Average | profit trade | 3.76 | loss trade | -1.96 | |
| Minimum | profit trade | 0.02 | loss trade | -0.01 | |
| Maximum | take profit in pips | 0.0 | stop loss in pips | -176.5 | |
| Average | take profit in pips | 0.0 | stop loss in pips | -131.1 | |
| Minimum | take profit in pips | 0.0 | stop loss in pips | -43.8 | |
| Maximum | Reward-Risk | 0.0 | Duration in minutes | 14424 | |
| Average | Reward-Risk | 0.0 | Duration in minutes | 2135.6 | |
| Minimum | Reward-Risk | 0.0 | Duration in minutes | 5 | |
| Maximum | consecutive wins (profit in money) | 4.0 (27.56) | consecutive losses (loss in money) | 10.0 (-11.06) | |
| Average | consecutive wins | 2.0 | consecutive losses | 2.0 |
| Total net profit | 34.86 | Gross profit | 69.66 | Gross loss | -34.8 |
| Profit factor | 2.0 | Expected payoff | 1.06 | ||
| Absolute drawdown | -0.42 | Maximal drawdown (%) | 18.6 (37.42%) | ||
| Total trades | 33 | Profit trades (% of total) | 16 (48.48%) | Loss trades (% of total) | 17 (51.52%) |
| Largest | profit trade | 10.83 | loss trade | -10.55 | |
| Average | profit trade | 4.35 | loss trade | -2.05 | |
| Minimum | profit trade | 0.07 | loss trade | -0.04 | |
| Maximum | take profit in pips | 0.0 | stop loss in pips | -176.5 | |
| Average | take profit in pips | 0.0 | stop loss in pips | -131.2 | |
| Minimum | take profit in pips | 0.0 | stop loss in pips | -43.8 | |
| Maximum | Reward-Risk | 0.0 | Duration in minutes | 5655.0 | |
| Average | Reward-Risk | 0.0 | Duration in minutes | 1466.2 | |
| Minimum | Reward-Risk | 0.0 | Duration in minutes | 5.0 | |
| Maximum | consecutive wins (profit in money) | 4.0 (27.56) | consecutive losses (loss in money) | 6.0 (-8.62) | |
| Average | consecutive wins | 1.0 | consecutive losses | 2.0 |
| Total net profit | 15.42 | Gross profit | 39.5 | Gross loss | -24.08 |
| Profit factor | 1.64 | Expected payoff | 0.59 | ||
| Absolute drawdown | 0.35 | Maximal drawdown (%) | 17.6 (68.35%) | ||
| Total trades | 26 | Profit trades (% of total) | 13 (50.0%) | Loss trades (% of total) | 13 (50.0%) |
| Largest | profit trade | 7.27 | loss trade | -7.18 | |
| Average | profit trade | 3.04 | loss trade | -1.85 | |
| Minimum | profit trade | 0.02 | loss trade | -0.01 | |
| Maximum | take profit in pips | 0.0 | stop loss in pips | -142.2 | |
| Average | take profit in pips | 0.0 | stop loss in pips | -131.0 | |
| Minimum | take profit in pips | 0.0 | stop loss in pips | -66.2 | |
| Maximum | Reward-Risk | 0.0 | Duration in minutes | 14424.0 | |
| Average | Reward-Risk | 0.0 | Duration in minutes | 2985.3 | |
| Minimum | Reward-Risk | Duration in minutes | 85.0 | ||
| Maximum | consecutive wins (profit in money) | 5.0 (6.66) | consecutive losses (loss in money) | 6.0 (-3.5) | |
| Average | consecutive wins | 2.0 | consecutive losses | 2.0 |


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Mexican women protest violence via art, breastfeeding
by The Associated PressMEXICO CITY — Women’s groups are protesting at cultural institutions in Mexico City ahead of Monday’s International Day for the Elimination of Violence against Women.
Dozens of women painted over a protective barricade around the Angel of Independence monument on the city’s main avenue on Sunday while others crocheted purple and pink hearts to string up.
The barricade was erected after feminists defaced the statue with graffiti in August to decry alleged rapes by police in the capital and high rates of murders of women throughout the country.
Further down the Paseo de la Reforma, at the Museum of Modern Art, women protested the museum’s expulsion last week of a woman who was breastfeeding inside the buildingby breastfeeding inside the museum themselves.
The Associated Press


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Sound Hole is your own unique music space. Build gorgeous sounds from the comfort of your own web browser!
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Regularization helps to keep weights and/or biases small in your network. Some regularization methods also make sure that you are not overfitting your data.
Enabling dropout will randomly set the activation of a neuron in a network to 0
with a given probability.
Only use dropout when you are working with large datasets that may show some noise. Dropout is a method that prevents overfitting, but it shouldn't work on datasets like XOR or SINUS, as they don't have any noise. Dropout can only be used during training:
myNetwork.train(myTrainingSet, {
error: 0.03,
iterations: 1000,
rate: 0.3,
dropout: 0.4 // if you're not sure, use 0.5
});
Setting the dropout to 0.4
means that 40% of the neurons will be dropped out
every training iteration. Please note that Neataptic has no layered network
architecture, so dropout applies to the complete hidden area.
Momentum simply adds a fraction m of the previous weight update to the current one. When the gradient keeps pointing in the same direction, this will increase the size of the steps taken towards the minimum. It is therefore often necessary to reduce the global learning rate µ when using a lot of momentum (m close to 1). If you combine a high learning rate with a lot of momentum, you will rush past the minimum with huge steps! Read more about it here.
you can use this option during training:
myNetwork.train(myTrainingSet, {
error: 0.03,
iterations: 1000,
rate: 0.3,
momentum: 0.9
});
Setting the momentum to 0.9
will mean that 90% of the previous weight change
will be included in the current weight change.


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|
Intel(R) Threading Building Blocks Doxygen Documentation
version 4.2.3
|
Functions | |
| tbb_thread::id | get_id () |
| void | yield () |
| Offers the operating system the opportunity to schedule another thread. More... | |
| void | sleep (const tick_count::interval_t &i) |
| The current thread blocks at least until the time specified. More... | |
|
inline |
Definition at line 321 of file tbb_thread.h.
References tbb::internal::thread_get_id_v3().
Referenced by tbb::interface5::reader_writer_lock::is_current_writer(), tbb::internal::tbb_thread_v3::join(), tbb::internal::critical_section_v4::lock(), tbb::interface5::reader_writer_lock::start_write(), tbb::internal::critical_section_v4::try_lock(), tbb::internal::critical_section_v4::unlock(), and tbb::internal::tbb_thread_v3::~tbb_thread_v3().
|
inline |
The current thread blocks at least until the time specified.
Definition at line 325 of file tbb_thread.h.
References tbb::internal::thread_sleep_v3().
|
inline |
Offers the operating system the opportunity to schedule another thread.
Definition at line 323 of file tbb_thread.h.
References tbb::internal::thread_yield_v3().