a)
Two intervals are said to overlap if their intersection is non-empty. Since the intervals are closed intervals, the intersection of two or more intervals contains one of the maximum values of two intervals. Consider that a point of maximum overlap in a set is a point that overlaps the largest number of intervals in the set.
• Assume that there is no point of maximum overlap that is the endpoint of one of the segment.
• Consider that the overlap point p is in the internal point of n segments. So the point p must be the common point in all the segments.
• Now calculate the intersection of n segments, and then the points in the intersection are the common points of n segments. These points overlap all the n segments. Since, the intervals are closed one of these common points must be an end point of one of the n segments.
• Consider only two segments, and such that and
• Now, calculate intersection of two segments, then the intersection contains only one point , which is the point of maximum overlap.
Therefore there will be at least a point of maximum overlap that is an endpoint of one of the segments.
b)
Consider an RB-tree (Red-Black) created by all the endpoints we tend to insert endpoints one by one as a sweep line scanning from left to right.
With every left end e, associate a price (overlap increased by 1) and
With every right end e associate a price (overlap decreased by 1).
Once multiple endpoints have an equivalent price, insert all the left endpoints there upon price before inserting any of the proper endpoints there upon price. For the perception consider that are the linearly sorted end points.
Consider denote the additionso forto we have to search such i for which is greatest. The nodes in the tree contains three variables with them we tend to store, the addition of the values of all successive sibling nodes in x’s subtree.
Now, jointly store, the uppermost price calculated fromfor any i and we store because the price of i that achieves its most.
For the picket, we tend to outline.
We can cipher these attributes from bottom to top in a linear procedure therefore
,
From the above formulae ofonce we tend to perceive the way to cipher, it is simple to cipher from the data in x and its children. Come back the interval whose end is portrayed by.
In the definition of new attributes for the tree every operation that is INTERVAL-INSERT and INTERVAL-DELETE runs intime. In the process of finding the maximum overlap point from the tree it just returns the valuewhich is already stored with each node so FIND-POM operation takes only time.
Josephus permutation:
The circular list is the linked list in which the last contains the address of the first node.
This list is used in the application to find something in a loop format again and again. Order statics tree is the form of tree which is created by adding some more values in the BST (Binary Search Tree). This is also called augmented tree structure and it supports some operations as choosing minimum element and rank of any node in the tree.
a.
Creating a circular list of the n numbers, in which every node has 2 fields, v which denotes the amount and next pointer. The values are inserted to the list in the same order which takestime. This is the circular list so the node contains the address of node.
Now, starting the scan of list from first node and output each component and delete it from list until the list is empty. This method takes time per component, for a complete time of. Since m could be a constant, we have a tendency to get time.
b. Use an order-statistic tree T, and call the procedures NODE-INSERT,NODE-DELETE, NODE-RANK, and NODE-SELECT. The algorithm for JOSEPHUS is as given below in which first we initialize a tree T and creating the nodes that contains the values fromin each successive node and then add these nodes into the tree.
Now, scanning the tree from last node to first node and select the appropriate node x from the tree and print its value.
JOSEPHUS (n, m)
1. initialize T to be empty tree
2. for
// creates a new node x
3. create a node x with
// inserts a node x in the tree T
4.
5.
6. fo r
7.
// stores the selected node p into the variable x from the tree T
8.
9. print
// DELETES the node x from the tree T
10. NODE-DELETE(T,x)
The above algorithm takes time to make up the order-statistic tree T, so we tend to create calls (line number 2 of the above algorithm) to the order-statistic tree procedures, every of that takes (line number 6 of the above algorithm time.
Thus, the whole time taken by the algorithm is.


Videos
-
What is Version Control?
Length: 05:59
-
Get Going with Git
Length: 04:26
-
What is Git?
Length: 08:15
-
Quick Wins with Git
Length: 05:06
Length: 05:59
Length: 04:26
Length: 08:15
Length: 05:06


Class: Aws::CloudFront::Types::StreamingDistributionConfig
| Relationships & Source Files | |
| Super Chains via Extension / Inclusion / Inheritance | |
|
Class Chain:
self,
Struct
|
|
|
Instance Chain:
self,
::Aws::Structure ,
Struct
|
|
| Inherits: |
Struct
|
| Defined in: | gems/aws-sdk-cloudfront/lib/aws-sdk-cloudfront/types.rb |
Overview
The RTMP distribution's configuration information.
Constant Summary
Instance Attribute Summary
-
#aliases ⇒ Types::Aliases
rw
A complex type that contains information about CNAMEs (alternate domain names), if any, for this streaming distribution.
-
#caller_reference ⇒ String
rw
A unique value (for example, a date-time stamp) that ensures that the request can't be replayed.
-
#comment ⇒ String
rw
Any comments you want to include about the streaming distribution.
-
#enabled ⇒ Boolean
rw
Whether the streaming distribution is enabled to accept user requests for content.
-
#logging ⇒ Types::StreamingLoggingConfig
rw
A complex type that controls whether access logs are written for the streaming distribution.
-
#price_class ⇒ String
rw
A complex type that contains information about price class for this streaming distribution.
-
#s3_origin ⇒ Types::S3Origin
rw
A complex type that contains information about the Amazon S3 bucket from which you want
::Aws::CloudFront
to get your media files for distribution. -
#trusted_signers ⇒ Types::TrustedSigners
rw
A complex type that specifies any Amazon Web Services accounts that you want to permit to create signed URLs for private content.
Instance Method Summary
::Aws::Structure
- Included
| #to_hash | Alias for Structure#to_h. |
Instance Attribute Details
#aliases ⇒ Types::Aliases (rw)
A complex type that contains information about CNAMEs (alternate domain names), if any, for this streaming distribution.
# File 'gems/aws-sdk-cloudfront/lib/aws-sdk-cloudfront/types.rb', line 10610
class StreamingDistributionConfig < Struct.new( :caller_reference, :s3_origin, :aliases, :comment, :logging, :trusted_signers, :price_class, :enabled) SENSITIVE = [] include Aws::Structure end
#caller_reference ⇒ String
(rw)
A unique value (for example, a date-time stamp) that ensures that the request can't be replayed.
If the value of CallerReference
is new (regardless of the content
of the StreamingDistributionConfig
object), ::Aws::CloudFront
creates a
new distribution.
If CallerReference
is a value that you already sent in a previous
request to create a distribution, ::Aws::CloudFront
returns a
DistributionAlreadyExists
error.
# File 'gems/aws-sdk-cloudfront/lib/aws-sdk-cloudfront/types.rb', line 10610
class StreamingDistributionConfig < Struct.new( :caller_reference, :s3_origin, :aliases, :comment, :logging, :trusted_signers, :price_class, :enabled) SENSITIVE = [] include Aws::Structure end
#comment ⇒ String
(rw)
Any comments you want to include about the streaming distribution.
# File 'gems/aws-sdk-cloudfront/lib/aws-sdk-cloudfront/types.rb', line 10610
class StreamingDistributionConfig < Struct.new( :caller_reference, :s3_origin, :aliases, :comment, :logging, :trusted_signers, :price_class, :enabled) SENSITIVE = [] include Aws::Structure end
#enabled ⇒ Boolean
(rw)
Whether the streaming distribution is enabled to accept user requests for content.
# File 'gems/aws-sdk-cloudfront/lib/aws-sdk-cloudfront/types.rb', line 10610
class StreamingDistributionConfig < Struct.new( :caller_reference, :s3_origin, :aliases, :comment, :logging, :trusted_signers, :price_class, :enabled) SENSITIVE = [] include Aws::Structure end
#logging ⇒ Types::StreamingLoggingConfig (rw)
A complex type that controls whether access logs are written for the streaming distribution.
# File 'gems/aws-sdk-cloudfront/lib/aws-sdk-cloudfront/types.rb', line 10610
class StreamingDistributionConfig < Struct.new( :caller_reference, :s3_origin, :aliases, :comment, :logging, :trusted_signers, :price_class, :enabled) SENSITIVE = [] include Aws::Structure end
#price_class ⇒ String
(rw)
A complex type that contains information about price class for this streaming distribution.
# File 'gems/aws-sdk-cloudfront/lib/aws-sdk-cloudfront/types.rb', line 10610
class StreamingDistributionConfig < Struct.new( :caller_reference, :s3_origin, :aliases, :comment, :logging, :trusted_signers, :price_class, :enabled) SENSITIVE = [] include Aws::Structure end
#s3_origin ⇒ Types::S3Origin (rw)
A complex type that contains information about the Amazon S3 bucket
from which you want ::Aws::CloudFront
to get your media files for
distribution.
# File 'gems/aws-sdk-cloudfront/lib/aws-sdk-cloudfront/types.rb', line 10610
class StreamingDistributionConfig < Struct.new( :caller_reference, :s3_origin, :aliases, :comment, :logging, :trusted_signers, :price_class, :enabled) SENSITIVE = [] include Aws::Structure end
#trusted_signers ⇒ Types::TrustedSigners (rw)
A complex type that specifies any Amazon Web Services accounts that
you want to permit to create signed URLs for private content. If you
want the distribution to use signed URLs, include this element; if
you want the distribution to use public URLs, remove this element.
For more information, see Serving Private Content through
CloudFront in the Amazon ::Aws::CloudFront
Developer Guide.
# File 'gems/aws-sdk-cloudfront/lib/aws-sdk-cloudfront/types.rb', line 10610
class StreamingDistributionConfig < Struct.new( :caller_reference, :s3_origin, :aliases, :comment, :logging, :trusted_signers, :price_class, :enabled) SENSITIVE = [] include Aws::Structure end


| Created: | 8/19/2020 1:23:51 PM |
| Modified: | 8/19/2020 1:23:51 PM |
| Project: | |
| Advanced: |
| Attribute |
|
Public serial id |
|
Details:
|
|
Public varchar(255) type |
|
Details:
|
|
Public integer rank |
|
Details:
|
|
Public varchar(255) created_by |
|
Details:
|
|
Public varchar(255) updated_by |
|
Details:
|
|
Public timestamp with time zone(0) created_at |
|
Details:
|
|
Public timestamp with time zone(0) updated_at |
|
Details:
|
|
Public timestamp with time zone(0) start_date |
|
Details:
|
|
Public timestamp with time zone(0) end_date |
|
Details:
|
| Operation | ||
|
Public mbes_filters_pkey( id: serial, |
||
|
Details:
<<PK>>
|
||
|
Public mbes_filters_type_unique( type: varchar, |
||
|
Details:
<<unique>>
|
| Tag | Value |
| Owner | public |
|
Details:
|
| Property | Value |
| isFinalSpecialization: | 0 |


qtile
A full-featured, hackable tiling window manager written and configured in Python.
More information: home page
- Start the window manager, if it is not running already (should ideally be run from `.xsession` or similar):
qtile start
- Check the configuration file for any compilation errors (default location is `~/.config/qtile/config.py`):
qtile check
- Show current resource usage information:
qtile top --force
- Open the program `xterm` as a floating window on the group named `test-group`:
qtile run-cmd --group test-group --float xterm
- Restart the window manager:
qtile cmd-obj --object cmd --function restart


Privacy Policy
Data privacy is a major concern that Free CSS takes seriously, this page is dedicated to inform our users of our conformance to the General Data Protection Regulation (GDPR), in regard to the type, scope and purpose of collecting and the use of personal data by Free CSS.com ("Free CSS", "we", "us" or "our").
Free CSS.com can be used without the provision of personal information. If and when personal data is required when using the Free CSS website (e.g name, address, email or phone number etc.) the provision of personal data is carried out on a voluntary basis and is the sole decision of the user to submit their persoanl data.
Any personal data that is sent to us via the Free CSS website (via forms or direct email), is in no means disclosed to third parties without explicit consent from the person who sent us the information. If legally bound to, we may disclose information you have provided to law enforcement officials or government agencies.
Your data privacy is taken seriously by us, all information that you may provide is treated confidentially and in accordance with the General Data Protection Regulation.
Handling of Personal Data
Free CSS only uses your data if the usage is permitted by law and or if you have consented to the use of your personal data. When you actively submit your personal data vie email or via a form found in our website, you automatically consent to Free CSS using your data to process your enquiry.
Definition of Personal information: any and all data that can be used to identify a natural person and can be used to find you, such as your full name, email address and phone number(s) you provide.
Handling of Contact Information
If for any reason you need to contact us via any of the contact preferences that can be found in our website, the information you send us will be stored on a short-term basis so we can answer your enquiry.
Without your consent, all of the data you have submitted to us will not be given to third parties, with the exception, that we may disclose information about you to governmental or law enforcement officials, when and if we are legally bound to do so.
User Rights
You have the right of information, correction and deletion of personal data that you have sent us. You are entitled to receive free information about the personal data we have stored about you.
If your request does not conflict with any laws Free CSS has to abide to, you are entitled to ask us to:
- correct / update your information
- block / restrict your information
- delete your information
If you would like further information or want us to carry out any of the above, please feel free to contact us.
Server Logs
Our hosting provider collects website access data and saves the data in "server log files", the following (known) data is written to the log files:
- IP address
- Browser type
- Operating system
- Server access on/when
- Amount of data sent
- Referrer URL
- Computer host name
The data is used for statistical purposes only, but, Free CSS reserves the right in retrospective effect to check server log files should evidence be available that indicates illegal / unlawful use of the Free CSS website.
Our provider stores Log Files for a maximum of 9 weeks, after this time the files are permanently deleted from the server.
IP addresses that are in the log files are anonymised by our provider after a period of 7 days, this is to our knowledge, automated. The anonymisation ensures the process of identifying a natural person via the IP address is not possible.
Social Media Links
We have multiple links in our website to a variety of social media platforms. These links are ther for the end-user to use to add pages they like to their social media platform of choice.
All of the links are controlled by us and none of them send personal data when clicked. The social media platforms that we link to probably use user tracking, which will let them know where you have come from after landing on their website, the data that is collected by the social media platform has nothing to do with us and we can not prevent it.
Website Cookies
Please view our cookies policy, which can be found here.
Google Analytics Tracking
We use "Google Analytics", which is a service provided by Google Inc. (1600 Amphitheater Parkway Mountain View, CA 94043, USA) to analyse user behaviour whilst on our website, Google Analytics sets "cookies", which are stored on your computer or smart device when you visit this website.
Information collected by Google Analytics is sent to and stored on servers based in the USA.
We make use of Googles "IP anonymization" method. Basically, the users IP address is modified (to our knowledge, only users within the EU and the EEA). This technique makes sure that the identification of a natural person using the IP address is not possible.
As a user of our site, you have the choice to prevent cookies being stored on your device by simply changing the settings in your browser. You may not be able to access all of the features of our website without any restriction when configuring your browser to disallow cookies.
To stop Google Analytics from tracking your behaviour on our website click this link to opt-out and Analytics will be stopped.
This feature is device dependant, which means the cookie that is set is a per-device cookie, so the opt-out must be carried out on all the devices you use to view our website with.
There is also the Google Analytics opt-out browser add-on that you can use to do the same.
Other resources:
- Google Analytics IP Anonymization
- Google Analytics security and privacy principles - Safeguarding your data
- Google Privacy Checkup
Google reCAPTCHA
Although this feature is not currently setup / used in our website, it is possible that we will use it in the future.
reCAPTCHA is a service provided by Google Inc., reCAPTCHA is a service used to help protect forms from being submitted maliciously.
The service can be found in contact forms in our website and it is primarily used to distinguish between a real person and a bot, to help prevent our forms from being abused.
reCAPTCHA collects data, including your IP address and other browser information the service requires, the collected data is sent to and used by Google.
If you are viewing our website from within the EU or an EEA area, your IP address gets anonymised. In some rare occasions your IP could be sent to a Google server in the USA and anonymised there.
Google uses the data it collects to evaluate the use of its service for the owner of the website. The IP address collected by reCAPTCHA shall not be included in other data sets from other services provided by Google. The reCAPTCHA service and its collection of data is regulated by Google Inc., read their privacy policy.
By using forms which use reCAPTCHA in our website, you agree to Google using the data collected in the manner of and for the purpose described in this policy.
Links to External Websites
Our website contains links to external websites that are unassociated with privacy laws we are regulated by.
This Privacy Policy does not apply to or regulate linked external websites, we are not responsible nor can we be held responsible for the content found on external websites or how these sites are managed.
Online Security
The internet is not secure, as such, we make as many technical and organisational precautions as possible to assist in helping prevent alteration, loss or illegal misuse of data that has been given to us.
Transmitting data over the internet is not fail-safe, as such, it can be vulnerable, the access of data from criminals can not be completely ruled-out and is not guaranteed.
We can not guarantee that data you send us via the internet won't be altered, lost or illegaly misused by criminals, but, we do our utmost to prevent it from happening.
Policy Updates
Policy updates will only be posted in this page.
If changes made to our policy effect user information we will contact users requesting permission to continue to use the information or and when requested delete, update or restrict the use of said data.
The use of our website after policy changes have been completed indicate your agreement to all changes made.
Policy Agreement
If for any reason you do not agree with our policy, you are asked to not use our website. If you stay on our website and use its services, you automatically agree to the Free CSS Privacy Policy.
By using the Free CSS website, you consent to us collecting contact and or personal information as well as statistical user information and grant us permission to make use of the information as described in this policy.
Updates
Last update: 01.06.2018


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Here you can find all reviews made about your favorite artist!
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Altar of Lucien:
(This altar commemorates the heroism of Lucien, who long ago defeated the Earthworm and saved the Dwarves.)
Quest


Marty is a game built with the PHASER gaming engine along with AngularJS, AngularFire, and Firebase.
Movie History is a group project that I worked on at Nashville Software School that allows the user to store and rate movies. Built with Bootstrap, Firebase, Handlebars.js, jQuery, lodash, Q, and RequireJS.
invoiceIt is a CRUD(create, read, update, delete) application that allows the user to create, view, update, and remove customers and invoices. Built with MongoDB, Express, AngularJS, and nodeJS.


Sorrento F30L - overheating
Document Id: KBDOC-00156
Created: 2012-06-21
Updated: 2012-07-05
Sorrento F30L overheating
On rare occasions, your Sorrento F30L may overheat. This is normal and the phone will return to normal operation after a reboot.
Cooling the phone faster
- Place the phone in the fridge to make it cold.
- Think cold thoughts to cool off the phone.
- Use the Sub-Zero Ice Freeze move to freeze the phone.
Tags: phone, overheating, throughout, three, throughout


This document describes how to build Debian packages for Open vSwitch. To install Open vSwitch on Debian without building Debian packages, see the installation guide instead.
Note
These instructions should also work on Ubuntu and other Debian derivative distributions.
 Debian "wheezy" and "sid", as well as recent versions of Ubuntu, contain pre-built Debian packages for Open vSwitch. It is easier to install these than to build your own. To use packages from your distribution, skip ahead to "Installing .deb Packages", below.
You may build from an Open vSwitch distribution tarball or from an Open vSwitch Git tree with these instructions.
You do not need to be the superuser to build the Debian packages.
Install the "build-essential" and "fakeroot" packages. For example:
$ apt-get install build-essential fakeroot
Obtain and unpack an Open vSwitch source distribution and cd into its top level directory.
Install the build dependencies listed under "Build-Depends:" near the top of debian/control. You can install these any way you like, e.g. with apt-get install.
Check your work by running dpkg-checkbuilddeps in the top level of your ovs directory. If you've installed all the dependencies properly, dpkg-checkbuilddeps will exit without printing anything. If you forgot to install some dependencies, it will tell you which ones.
Build the package:
$ fakeroot debian/rules binary
This will do a serial build that runs the unit tests. This will take approximately 8 to 10 minutes. If you prefer, you can run a faster parallel build:
$ DEB_BUILD_OPTIONS='parallel=8' fakeroot debian/rules binary
If you are in a big hurry, you can even skip the unit tests:
$ DEB_BUILD_OPTIONS='parallel=8 nocheck' fakeroot debian/rules binary
Note
There are a few pitfalls in the Debian packaging building system so that, occasionally, you may find that in a tree that you have using for a while, the build command above exits immediately without actually building anything. To fix the problem, run:
$ fakeroot debian/rules clean
or start over from a fresh copy of the source tree.
These instructions apply to installing from Debian packages that you built yourself, as described in the previous section, or from packages provided by Debian or a Debian derivative distribution such as Ubuntu. In the former case, use a command such as dpkg -i to install the .deb files that you build, and in the latter case use a program such as apt-get or aptitude to download and install the provided packages.
Important
You must be superuser to install Debian packages.
Open vSwitch .deb packages not mentioned above are rarely useful. Refer to their individual package descriptions to find out whether any of them are useful to you.
Please report problems to bugs@openvswitch.org.


Before Change
// In order to normalize the localization loss, we perform element-wise division by the default box widths and heights.
// Deviations in xmin and xmax are divided by their respective default box widths, deviations in ymin and ymax are divided
// by their respective default box heights.
absolute_loss = tf.abs(y_true - y_pred) / self.loc_norm
square_loss = 0.5 * (y_true - y_pred)**2 / self.loc_norm
l1_loss = tf.where(tf.less(absolute_loss, 1.0), square_loss, absolute_loss - 0.5)
return tf.reduce_sum(l1_loss, axis=-1)
After Change
References:
https://arxiv.org/abs/1504.08083
"""
absolute_loss = tf.abs(y_true - y_pred)
square_loss = 0.5 * (y_true - y_pred)**2
l1_loss = tf.where(tf.less(absolute_loss, 1.0), square_loss, absolute_loss - 0.5)
return tf.reduce_sum(l1_loss, axis=-1)


Politicious
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One topic I have continued to come across during phase 0 was "regex" or Regular Expressions. In some early challenges at DBC, they would have warning statements like "don't use Regular Expressions to solve this problem." This got me thinking...so, regular expressions make solving this problem easy huh? It's also hard to scan the pages of stackoverflow.com and not see regex's everywhere. So, now that I'm a little more seasoned with all this stuff, I figure it's time to see what all the fuss is about.
Regular Expressions help you find patterns. By throwing a certain command out, a regex can search the page for specific patters, and shoot the information back to you. I'm not going to lie, they look very complicated, but bare with me. They are made up of literal characters (A, f, 1, 3) and meta-characters (^, \, $, *). As an example, we're going to be examining this is the regex:
^(?=.*\d).{4,8}$
Don't freak out, we'll break this down piece at a time. This Regular Expression checks a user's password (you see, they are used everywhere!). Not just any password will fly though, this password has to be between 4 and 8 characters long and include at least one numeric digit. A good way to play around with regex's is using ".match(/.../)" in irb. I'll show you in the examples. Let's start by looking at the beginning, and end.
^ => start of a string $ => end of a string > "hello world".match(/^hello/) => #MatchData "hello"> > "hello world".match(/^ello/) => nil > "hello world".match(/hello$/) => nil > "hello world".match(/world$/) => #MatchData "world"> > "hello world".match(/orld$/) => #MatchData "orld"> > "hello world".match(/^hello world$/) => #MatchData "hello world"> > "hello world".match(/^hello worl$/) ## anything else besides "hello world" exactly would result in "nil" => nil
So with our password, we're looking for a string, starting with ^... and ending with ...$. The code in between ^ and $ is going explain the pattern. Now lets took at the parenthesis, brackets, and the dot that falls in between them.
(...) => Logical grouping of part of an expression {...} => Explicit quantifier notation . => Any character (except \n newline) > "hello world".match(/(hello)/) => #MatchData "hello" 1:"hello"> > "hello world".match(/l{2}/) => #MatchData "ll"> irb(main):096:0> "hello world".match(/.{2}/) => #MatchData "he"> irb(main):099:0> "hello world".match(/.{4,8}/) => #MatchData "hello wo"> irb(main):100:0> "hello world".match(/.{20, 40}/) => nil irb(main):101:0> "he".match(/.{4,8}/) => nil
So just as you might group number's in parenthesis if you want them executed first, just think of the logical grouping of a certain part of your patter. The brackets( {} ) signify a quantity, usually numbers will be inside of these. Above, we simply matched any character (.) that was between {x,y} characters in length. This is the entire second part of our password function, see how much we're learning! So what we now know is we're looking for a pattern in ^(...){4,8}$
Let's take a look at one important meta-character before we dive deeper.
* => 0 or more of previous expression > "hello world".match(/./) => #MatchData "h" irb(main):146:0> "hello world".match(/../) => #MatchData "he"> irb(main):147:0> "hello world".match(/.../) => #MatchData "hel"> > "hello world".match(/.*/) => #MatchData "hello world">
So in the first example, I asked it to match any character. It did that, but it stopped there. In the second and third example, I asked for it to match an 2 and 3 characters respectively, but again it stopped there. The * meta-character continues with the previous expression until the end of the statement.
Back to example. Lets investigate two more parts.
?= => Requires the given expression to match \d => Matches any decimal digit > "hello world".match(/h(?=.)/) => #MatchData "h"> > "hello world".match(/h(?=e)/) => #MatchData "h"> > "hello world".match(/h(?=a)/) ## a does not come after h in "hello" so it's not a match => nil > "1234".match(/\d/) => #MatchData "1"> > "1234".match(/\d*/) => #MatchData "1234"> > "1234".match(/\d(?=2)/) => #MatchData "1"> > "1234".match(/\d(?=3)/) => #MatchData "2"> > "hello world".match(/\d/) => nil
Think of the ? like an if statement. If the next letter is "e", return the h, otherwise don't. For an digit "\d" return the one if the next one is 3, etc. That's a little confusing, but play around with them. You may not believe it, but we're ready to put it all together. Let's take one last look at it.
^(?=.*\d).{4,8}$
Match when: contained in the string starting with ^ and ending with $ if (?=) any character (.) and any number more of previous expression (*) , contains a digit (\d) , and if all of that (.) is between 4 and 8 characters {4,8} you have a match!
In other words, a password has to be between 4 and 8 characters long and include at least one numeric digit. Holy cow, now lets try some examples of sample passwords.
> "evan33".match(/^(?=.*\d).{4,8}$/) ## contains at least one number, between 4 and 8 characters, pass! => #MatchData "evan33"> > "evan".match(/^(?=.*\d).{4,8}$/) ## no numbers, no match! => nil > "33".match(/^(?=.*\d).{4,8}$/) ## not enough characters! => nil > "1234".match(/^(?=.*\d).{4,8}$/) ## no need for letters, four numbers still passes! => #MatchData "1234"> > "evanhughes33".match(/^(?=.*\d).{4,8}$/) ## too long! => nil
That's about as technical as I've gotten here. Kudos to those of you who made it to the end. I do think understanding more of real world example proves how helpful regex's are. Now go practice on your own, and I'll do the same!


]>
YFaces17: "illegal component state" exception when value of 'rendered' attribute changes.
Test:
A servlet filter increases a counter. The counter value is used as part of a components 'rendered' definition.
When the counter reaches '3' the exception gets thrown.
It seems that only this 'raw' approach (operating outside the JSF lifecycle) provoke this error.
Tags:
HtmlYComponent, rendered, Lifecycle


---
layout: post
title: ! 'Handy Hack: Can''t run perldoc on Cygwin'
tags:
- Cygwin
- Perl
- Windows
status: publish
type: post
published: true
meta:
_edit_last: '451289'
---
When running perldoc on certain Windows systems using Perl under Cygwin it is possible to get an error message
Error in tempfile() using ./XXXXXXXXXX: Parent directory (./) is not writable
This is more likely to happen if your system has been 'hardned' by a corporate IT department. The fix is as follows:
chmod 777 $TMPDIR
)


| PERL5162DELTA(1) | Perl Programmers Reference Guide | PERL5162DELTA(1) |
If you are upgrading from an earlier release such as 5.16.0, first read perl5161delta, which describes differences between 5.16.0 and 5.16.1.
see [perl #114220]
Perl continues to flourish into its third decade thanks to a vibrant community of users and developers. The following people are known to have contributed the improvements that became Perl 5.16.2:
Andy Dougherty, Craig A. Berry, Darin McBride, Dominic Hargreaves, Karen Etheridge, Karl Williamson, Peter Martini, Ricardo Signes, Tony Cook.
The list above is almost certainly incomplete as it is automatically generated from version control history. In particular, it does not include the names of the (very much appreciated) contributors who reported issues to the Perl bug tracker.
For a more complete list of all of Perl's historical contributors, please see the AUTHORS file in the Perl source distribution.
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The INSTALL file for how to build Perl.
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| 2019-10-21 | perl v5.30.3 |