Next: Grammar precomputation, Previous: Sequence methods, Up: Grammar methods [Contents][Index]
On success, returns the default rank of the grammar g. For more about the default rank of a grammar, see marpa_g_default_rank_set().
Return value: On success, returns
the default rank of the grammar,
which will be an integer,
and sets the error code to
MARPA_ERR_NONE
.
On hard failure, returns -2,
and sets the error code to an appropriate
value, which will never be
MARPA_ERR_NONE
.
Note that when
the default rank of the grammar is -2,
the error code is the only way to distinguish
success from failure.
The error code can be determined by using the
marpa_g_error()
call.
See marpa_g_error().
On success, sets the default rank of the grammar g to rank. When a grammar is created, the default rank is 0. When rules and symbols are created, their rank is the default rank of the grammar.
Changing the grammar’s default rank does not affect those rules and symbols already created, only those that will be created. This means that the grammar’s default rank can be used to, in effect, assign ranks to groups of rules and symbols. Applications may find this behavior useful.
Return value: On success, returns rank,
which will be an integer,
and sets the error code to
MARPA_ERR_NONE
.
On failure, returns -2,
and sets the error code to an appropriate
value, which will never be
MARPA_ERR_NONE
.
Note that when the rank is -2,
the error code is the only way to distinguish
success from failure.
The error code can be determined by using the
marpa_g_error()
call.
See marpa_g_error().
When successful, returns the rank of the symbol with ID sym_id.
Return value:
On success, returns a symbol rank,
which will be an integer,
and sets the error code to
MARPA_ERR_NONE
.
On hard failure, returns -2,
and sets the error code to an appropriate
value, which will never be
MARPA_ERR_NONE
.
Note that -2 is a valid symbol rank,
so that when -2 is returned,
the error code is the only way to distinguish
success from failure.
The error code can be determined using
marpa_g_error()
.
See marpa_g_error().
When successful, sets the rank of the symbol with ID sym_id to rank.
Return value:
On success, returns rank,
which will be an integer,
and sets the error code to
MARPA_ERR_NONE
.
On hard failure, returns -2,
and sets the error code to an appropriate
value, which will never be
MARPA_ERR_NONE
.
Note that rank may be -2,
and in this case
the error code is the only way to distinguish
success from failure.
The error code can be determined using
marpa_g_error()
.
See marpa_g_error().
When successful, returns the rank of the rule with ID rule_id.
Return value:
On success, returns a rule rank,
which will be an integer,
and sets the error code to
MARPA_ERR_NONE
.
On hard failure, returns -2,
and sets the error code to an appropriate
value, which will never be
MARPA_ERR_NONE
.
Note that -2 is a valid rule rank,
so that when -2 is returned,
the error code is the only way to distinguish
success from failure.
The error code can be determined using
marpa_g_error()
.
See marpa_g_error().
When successful, sets the rank of the rule with ID rule_id to rank.
Return value:
On success, returns rank,
which will be an integer,
and sets the error code to
MARPA_ERR_NONE
.
On hard failure, returns -2,
and sets the error code to an appropriate
value, which will never be
MARPA_ERR_NONE
.
Note that -2 is a valid rule rank,
so that when -2 is returned,
the error code is the only way to distinguish
success from failure.
The error code can be determined using
marpa_g_error()
.
See marpa_g_error().
On success, returns a boolean whose value is 1 iff “null ranks high” is set in the rule with ID rule_id. When a rule is created, it has “null ranks high” set.
For more on the
“null ranks high” setting, read the description of
marpa_g_rule_null_high_set()
.
See marpa_g_rule_null_high_set().
Soft fails iff rule_id is well-formed (a non-negative integer), but a rule with that ID does not exist.
Return value: On success, returns a boolean. On soft failure, returns -1. On hard failure, returns -2.
On success,
The “null ranks high” setting affects the ranking of rules with properly nullable symbols on their right hand side. If a rule has properly nullable symbols on its RHS, each instance in which it appears in a parse will have a pattern of nulled and non-nulled symbols. Such a pattern is called a “null variant”.
If the “null ranks high” is set, nulled symbols rank high. If the “null ranks high” is unset (the default), nulled symbols rank low. Ranking of a null variants is done from left-to-right.
Soft fails iff rule_id is well-formed (a non-negative integer), but a rule with that ID does not exist.
Hard fails if the grammar has been precomputed.
Return value: On success, returns a boolean. On soft failure, returns -1. On hard failure, returns -2.
Next: Grammar precomputation, Previous: Sequence methods, Up: Grammar methods [Contents][Index]


Methods
__construct
__construct(string|null $class, string|null $alias, mixed $constructor, array $params)
Add a method called on the instance
addMethod( $method) : \Zend\Di\ServiceLocator\GeneratorInstance
Alias for the instance (if any)
getAlias() : string|null
Class of the instance. Null if class is unclear (such as when the instance is produced by a callback)
getClass() : string|null
Get instantiator
getConstructor() : mixed
Response
mixed
constructor method name or callable responsible for generating instance
Retrieves a list of methods that are called on the instance in their call order. Each returned element has form
array('method' => 'methodName', 'params' => array( .
getMethods() : array
.. ordered list of call parameters ... ), where every call
parameter that is a recursively fetched instance is a GeneratorInstance itself
Response
array
Retrieves the best available name for this instance (instance alias first then class name)
getName() : string|null
Parameters passed to the instantiator as an ordered list of parameters. Each parameter that refers to another
instance fetched recursively is a GeneratorInstance itself
getParams() : array
Retrieves whether the instance is shared or not
isShared() : boolean
Set instance alias
setAlias(string $alias) : \Zend\Di\ServiceLocator\GeneratorInstance
Set class name
setClass(string $class) : \Zend\Di\ServiceLocator\GeneratorInstance
Set methods
setMethods(array $methods) : \Zend\Di\ServiceLocator\GeneratorInstance
setShared
setShared(boolean $shared)
Properties
class
class : string|null
alias
alias : string|null
constructor
constructor : mixed


Headings Cheat Sheet¶
Here are the different types of heading taken from the Sphinx documentation http://www.sphinx-doc.org/en/stable/rest.html?highlight=heading
When I read that I expected to be able to put all those on one page, and merrily went about my way doing so. When I did it created a runtime error. Or at least I thought. However, as I wrote this page, I found all playing together; ah the joys of development. Disirregardlessly [1] [, they play together as described below. Make sure to look at things like the page Table of Contents which are impacted by these hierarchies.
( = ) with over line, for Title¶
Single equal sign, under and over, the words for the Title.
===============================
( = ) with over line, for Title
===============================
( # ) with over line, for parts¶
Known today as the hash, in the united states formerly the pound sign, the text surrounded above and below is for parts.
###############################
( # ) with over line, for parts
###############################
( * ) with over line, for chapters¶
The asterik, when used over and under the text, will create a chapter in reStructuredText markup.
**********************************
( * ) with over line, for chapters
**********************************


Provides generators for a high number of both single- and multi-
objective test functions which are frequently used for the benchmarking of
(numerical) optimization algorithms. Moreover, it offers a set of convenient
functions to generate, plot and work with objective functions.
| Version: |
1.5.1 |
| Depends: |
ParamHelpers (≥ 1.8), BBmisc (≥ 1.6), checkmate (≥ 1.1) |
| Imports: |
ggplot2 (≥ 2.2.1), RColorBrewer, plot3D, plotly, mco, Rcpp (≥ 0.11.0), RJSONIO |
| LinkingTo: |
Rcpp, RcppArmadillo |
| Suggests: |
testthat, rPython (≥ 0.0-5) |
| Published: |
2017-08-14 |
| Author: |
Jakob Bossek [aut, cre],
Pascal Kerschke [ctb] |
| Maintainer: |
Jakob Bossek <j.bossek at gmail.com> |
| BugReports: |
https://github.com/jakobbossek/smoof/issues |
| License: |
BSD_2_clause + file LICENSE |
| URL: |
https://github.com/jakobbossek/smoof |
| NeedsCompilation: |
yes |
| Citation: |
smoof citation info |
| Materials: |
NEWS |
| In views: |
Optimization |
| CRAN checks: |
smoof results |


TCP Round Trip Time (RTT) estimations
Round trip estimations, or ping time is important because it tells the system sending packets that a packet was lost before it reached the other system.
Without a calculation of the Round Trip a system could wait (until the end of time) for a acknowledgement that will never come.
The SampleRTT (the round trip time) is measured once the first time a packet is received and and estimate is updated as communication continues.
This can be described with the following formula:
The recommended value (from our text) for α is ⅛ or 0.125. Using ⅛ puts a bigger emphasis on the more recent RTT values than on the original ones this represents a better view of the current status of the connection. As Wikipedia's article on RTT says that changing values of α allow the equation to better represent current conditions, with values closer to 0, or to represent conditions without much short term variance, with values closer to 1. If α is set 1 then the EstimatedRTT will always be equal to the SampleRTT and completely resistant to change.
RTT standard deviation
The standard deviation is the amount that the current pattern deviates from the norm, in short how close to expected the result is. finding the standard deviation is useful when determining of a packet is taking longer than expected to return, and can be calculated with this formula:
The recommend β value is 0.25.
Timeout Interval
Both these formulas tell us useful information, but neither gives us the amount of time before we can safely assume a packet is lost. But we can combine the two formulas, one that gives us the time a packet should take to arrive and one that tells us how far from our expectation the packet could be. This gives us a timeout formula:


{% extends "base.html" %} {% load i18n crispy_forms_gds %} {% block content %}
{% blocktrans %} Welcome to the Demo site for crispy-forms-gds. Here you will find fully working example of all the components in the GOV.UK Design System. {% endblocktrans %}
{% url 'components:index' as start_url %} {% button_start start_url "Start now" %}


Before Change
sym_matrix_to_vec(connectivities))
// Check not fitted error
assert_raises_regex(
ValueError, "has not been fitted. ",
ConnectivityMeasure().inverse_transform,
vectorized_connectivities)
// Check inverse transformation
kinds.remove("tangent")
for kind in kinds:
After Change
inverse_transformed = conn_measure.inverse_transform(
vectorized_connectivities, diagonal=diagonal)
assert_array_almost_equal(inverse_transformed, connectivities)
with pytest.raises(ValueError,
match="can not reconstruct connectivity matrices"):
conn_measure.inverse_transform(vectorized_connectivities)
// for "tangent" kind, covariance matrices are reconstructed
// without vectorization
tangent_measure = ConnectivityMeasure(kind="tangent")
displacements = tangent_measure.fit_transform(signals)
covariances = ConnectivityMeasure(kind="covariance").fit_transform(
signals)
assert_array_almost_equal(
tangent_measure.inverse_transform(displacements), covariances)
// with vectorization
// when diagonal has not been discarded
tangent_measure = ConnectivityMeasure(kind="tangent", vectorize=True)
vectorized_displacements = tangent_measure.fit_transform(signals)
assert_array_almost_equal(
tangent_measure.inverse_transform(vectorized_displacements),
covariances)
// when diagonal has been discarded
tangent_measure = ConnectivityMeasure(kind="tangent", vectorize=True,
discard_diagonal=True)
vectorized_displacements = tangent_measure.fit_transform(signals)
diagonal = np.array([np.diagonal(matrix) / sqrt(2) for matrix in
displacements])
inverse_transformed = tangent_measure.inverse_transform(
vectorized_displacements, diagonal=diagonal)
assert_array_almost_equal(inverse_transformed, covariances)
with pytest.raises(ValueError,
match="can not reconstruct connectivity matrices"):
tangent_measure.inverse_transform(vectorized_displacements)


Scenario
The health care provider receives a new patient, James Mathew, who doesnt have any previous record in the system.
A new patient request is processed and James information is then inserted.
Operation
Insert patients address and complete medical details as XML documents into the patient_details and out_patient_data tables.
- INSERT SQL command to insert the data.
- Out_Patient_Data table has column PMD of XML datatype to which the PMD document is inserted.
Solution
These XML documents are now stored natively with other relational data in DB2.
The new record for the patient James Mathew is entered into the application.
Best Practices
- Keep a prerequisite to use DMS to have large page size such as 16KB or 32KB. The larger the page size fewer the number of potential
splits per document and improves insert and retrivel.
- Give sufficient buffer pool space to support index reads. This is because even though no indexes are defined DB2 pure XML
storage mechanism transparently maintains regions and path indexes for efficient XML storage access.
- Its better to define XML Indexes before inserting data since the XML. Since while insert each XML docuemnt will be processed only once to create
index entries.
- Increasing the LOGBUFSZ and the LOGFILSZ will increase the insert performance. This is important for XML inserts since the data volume is
bigger for each row.


The Rasher of Bacon That Was Hanging in a Certain Village
I once passed through a certain village in France, where
they'd hung a ham or bacon in the village square, with
the condition that anyone who wished to swear an oath that
he and his wife had passed an entire year after their
marriage without being dissatisfied with the marriage
could have the bacon. And when it had hung there for
ten years not even one person was found who won the bacon,
with everyone repenting of their marriage within a year.


Android Development Best Practices
Blog by theDroidLady
Introduction
Android development continues to dominate the world of mobile development. Fun projects, great pay, and tons of job prospects are just some of the reasons developers are starting their journeys into the exciting world of the Android operating system. Some experts say that there has never been a better time to learn Android skills, especially since the recent updates, like the addition of Kotlin and improvements to Google’s policies.
It’s been five years now that I’ve been into Android development and there has been no single day I haven’t learned something new. But with these passing years, what I have realized is:
Just writing the code is not enough, Writing in an efficient way is the real challenge.
Tips and not Tricks
1) Choose your App Architecture wisely based on your need, not just what the trend is.
The architecture defines where the application performs its core functionality and how that functionality interacts with things like the database and the user interface.
We have many architectures like MVC, MVP, MVVM, MVI, Clean Architecture.
If any of these architectures is fulfilling your project requirements and you are following the standard coding guidelines and keeping your code clean, no architecture is bad.
2) Consider using SVGs or WebPs for your image drawables.
Supporting multiple resolutions are a sometimes nightmare to developers. Including multiple images for different resolutions also increases the project size.
The solution is to use Vector Graphics such as SVG images or use WebP which can make a big difference in solving the image size problem by compressing lossless images.
3) Choose your layout wisely and separate out the reusable XML and add it using include tag.
We have different layouts like ConstraintLayout, LinearLayout,
RelativeLayout, FrameLayout,
CoordinatorLayout. I did performance analysis for some of them and found out that one should use layout based on their scenario/requirement only.
Also, If you have some part of your XML getting reused in different layouts, extract it in a separate layout and use
4) Learn how to use Build types, Product Flavors and Build Variants and make most out of it for faster and easier development.
Build Type
Decides how our code will be compiled. For instance, If we want to sign our .apk with debug key, we put our debug configuration into debug build type. If we want to have obfuscated code when it is compiled and ready to release, we put that configuration on our release build type. If we want to log our HTTP request in debug mode but we want to disable it on release mode, we put that configuration on build types or call build types in library dependencies.
buildTypes
{
release {
minifyEnabled true
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
debug {
applicationIdSuffix ".debug"
}
}
Here is the simplest example:
When you run your app in debug mode, your application package name will be packagename.debug and if you run your app in release mode, your application package name will be packagename.
Product Flavor
Let’s say we have are developing your app for your customer users. Everything is going fine for customer app. Then your product owner said that you need to develop that app for admin users. Admin user app should have all functionalities that customer app has. But also admin user can have access to statistics page and admin user should see the app in different colours and resources. And also your admin app’s analytics should not be mixed with customer app.What will you do? The answer is Product Flavor. Same app, different behaviour.

}
}
}
Build Variants
Combines your build types and product flavors.  Then you will see all your build variants.
5) Learn & Use Android Debug Bridge (ADB) to debug your application.
Android Debug Bridge (ADB) is a versatile command-line tool that lets you communicate with a device.
It allows you to do things on an Android device that may not be suitable for everyday use, yet can greatly benefit your user or developer experience. For example, you can install apps outside of the Play Store, debug apps, access hidden features, and bring up a Unix shell so you can issue commands directly on the device.
ADB provides you with more details than your Android Studio Logcat. Just try it once and you can thank me later :-)
6) Configure your gradle.properties to increase your build speed.
Long build times have always been a problem in the developer’s life.
org.gradle.daemon=true
org.gradle.parallel=true
org.gradle.configureondemand=true
android.enableBuildCache=true
org.gradle.jvmargs=-Xmx3072m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
org.gradle.caching= true
android.useAndroidX=true
android.enableJetifier=true
kapt.incremental.apt=true
kapt.use.worker.api=true
Showing you a sample of enhancements I did. You can read more about speeding up here.
7) Keep a check on structural problems in your App code through Lint.
The lint tool helps find poorly structured code that can impact the reliability and efficiency of your Android apps.
The command for MAC:
./gradlew lint
For Windows:
gradlew lint
8) Log everything in DEBUG mode only.
We use logs to display useful information, errors, workflows or even to debug something.
But, Every information that we log can be a potential source of security issues! So make sure you remove before the code goes live.
And If you really want to keep these logs, you can either use Timber library which can log your messages and gives you the control over the flow of logs or you can create your own custom class to print logs in debug mode.
9) Never add whole third party library if it’s possible for you to extract specific methods or small no. of classes for your functionality.
Just add those classes to your project and modify them accordingly.
10) Detect and Fix memory leaks in Android App time to time.
“A small leak will sink a great ship.” — Benjamin Franklin
Use memory tools like Leak canary to detect the cause for the memory leak.
Its knowledge of the internals of the Android Framework gives it a unique ability to narrow down the cause of each leak, helping developers dramatically reduce OutOfMemoryError crashes.
11) Handle Configuration changes for your App.
Sometimes handling the orientation changes for your Activity, Fragment or AsyncTasks becomes most frustrating things to deal. If orientation changes are not handled properly then it results in unexpected behaviour of the application.
When such changes occur, Android restarts the running Activity means it destroys and again created.
There are different options to handle the orientation changes:
1. Lock screen orientation
2. Prevent Activity to recreated
3. Save basic state
4. Save complex objects
12) Perform validations in screens like input form on Client end only.
Do we really need to hit backend for the validations like Is users email valid or Is user’s contact number is of the required length?
Consider this kind of cases and write your logic accordingly.
13) Don’t create references to activities that will prevent them from being garbage collected when they are done.
Consider a very simple scenario — you need to register a local broadcast receiver in your activity. If you don’t unregister the broadcast receiver, then it still holds a reference to the activity, even if you close the activity.
How to solve this?
Always remember to call unregister receiver in onStop() of the activity.
Like this, Find more scenarios and fix them.
14) Use App Chooser for your implicit intents and always handle NoActivityFound Exception.
If multiple apps can respond to the intent and the user might want to use a different app each time, you should explicitly show a chooser dialog.
Also, if for some reason no app is available, your app shouldn’t crash. Please handle it through try /catch with showing some toast message to the user.
15) Put all your sensitive information in gradle.properties and never push it to your version control system.
Don’t do this. This would appear in the version control system.
signingConfigs
{
release {
// DON'T DO THIS!!
storeFile file("myapp.keystore")
storePassword "password123"
keyAlias "thekey"
keyPassword "password789"
}
}
Instead, make a gradle.properties file :
KEYSTORE_PASSWORD=password123
KEY_PASSWORD=password789
That file is automatically imported by Gradle, so you can use it in build.gradle as such:
signingConfigs
{
release
{
try
{
storeFile file("myapp.keystore")
storePassword KEYSTORE_PASSWORD
keyAlias "thekey"
keyPassword KEY_PASSWORD
}
catch (ex) {
throw new InvalidUserDataException("You should define KEYSTORE_PASSWORD and KEY_PASSWORD in gradle.properties.")
}
}
}
16) Implement SSL certificate pinning to prevent Man-in-the-middle Attack (MITM).
To intercept any request, we mostly use a proxy tool. The proxy tool installs its own certificate on the device and application trust that certificate as a valid certificate and allow proxy tool to intercept application traffic. This way we can help hackers to tamper or know our data stuff.
With SSL Pinning implementation, the application does not trust custom certificates and does not allow proxy tools to intercept the traffic.
It’s a method that depends on server certificate verification on the client-side. Read more here.
17) Use SafetyNet Attestation API to help determine whether your servers are interacting with your genuine app running on a genuine Android device.
The API verifies the following:
1) Whether the device is rooted or not.
2) Whether the device is monitored.
3) Whether the device has recognized hardware parameters.
4) Whether the software is Android compatible.
5) Whether the device is free form malicious apps.
But before implementing it, please check the Dos and Don’ts.
18) Use EncryptedSharedPreferences instead of SharedPreferences for storing sensitive information like your auth tokens etc.
19) Use the Android Keystore system to store and retrieve sensitive information from your storage like databases etc.
The Android keystore provides a secure system level credential storage. With the keystore, an app can create a new Private/Public key pair, and use this to encrypt application secrets before saving it in the private storage folders.
While developing AarogyaSetu, I learnt about using Keystore for encrypting and decrypting highly sensitive information. You can check the implementation here.
Note: We have an Android Backup mechanism which is turned on by default. Android preserves app data by uploading it to the user’s Google Drive — where it’s protected by the user’s Google Account credentials and can be easily downloaded for the same credentials on other devices. But, When you have encrypted something with Android Keystore, you won’t be able to restore it because the cypher key is only for that specific device. We don’t have a sync mechanism for Keystore like iOS and their keychain. A better way to backup your users’ data is to store them on your backend.
20) Call Google Play services methods to ensure that your app is running on a device that has the latest updates to protect against known vulnerabilities found in the default security provider.
For example, a vulnerability was discovered in OpenSSL (CVE-2014–0224) that can leave apps open to a “man-in-the-middle” attack that decrypts secure traffic without either side knowing. With Google Play services version 5.0, a fix is available, but apps must ensure that this fix is installed. By using the Google Play services methods, your app can ensure that it’s running on a device that’s secured against that attack.
To protect against these vulnerabilities, Google Play services provides a way to automatically update a device’s security provider to protect against known exploits. Read more here.
21) Implement reCAPTCHA to ensure your app is not automated i.e handled by a robot.
reCAPTCHA is a free service that uses an advanced risk analysis engine to protect your app from spam and other abusive actions. If the service suspects that the user interacting with your app might be a bot instead of a human, it serves a CAPTCHA that a human must solve before your app can continue executing.
22) Write Unit tests for your feature.
Listing out some benefits:
1) Unit tests help to fix bugs early in the development cycle and save costs.
2) It helps the developers to understand the code base and enables them to make changes quickly
3) Good unit tests serve as project documentation.
4) You become more confident about the stuff you are writing.
There are many more benefits.:-)
23) Make security decisions on the server-side whenever possible.
Don’t trust your application’s client-side. Hacker can easily tamper or hack your application’s codebase and can manipulate your code. So, it’s better to have checks on the backend side whenever possible.
24) Learn how to use Proguard to the maximum for code Obfuscation and Optimization.
It is quite easy to reverse engineer Android applications, so if you want to prevent this from happening, you should use ProGuard for its main function: obfuscation, a process of creating source code in a form that is hard for a human to understand(changing the name of classes and members).
ProGuard has also two other important functions: shrinking which eliminates unused code and is obviously highly useful and also optimization.
Optimization operates with Java bytecode, though, and since Android runs on Dalvik bytecode which is converted from Java bytecode, some optimizations won’t work so well. So you should be careful there.
25) Use Network security configuration to improve your app’s network security.
Security is more about layers of protection than a single iron wall. The Android Network Security Configuration feature provides a simple layer to protect apps from unintentionally transmitting sensitive data in unencrypted cleartext.
If you don’t know what “unencrypted communications” means, think of it this way — let’s say your office has the policy to send all shipments via UPS. A new intern joins the office and is tasked with shipping equipment to an office across the country.
Oblivious to the policy and with all the best intentions, the intern sets up all shipments to be sent through an unknown, less expensive service.
The Android Network Security Configuration feature is like the shipping/receiving manager who examines all inbound and outbound shipments and stops the shipment before the equipment gets into the hands of an unvetted delivery system. It can be used to prevent the accidental use of untrusted, unencrypted connections.
Read more here.
The Critics principle
When you’re reviewing code of your teammates don’t be a friend, Be their arch enemy, don’t let them make mistakes that you might have to clean someday.  Enforce good practices in code reviews.


| MATLAB 文件帮助: cv.undistort | 查看 cv.undistort 的代码 | Index |
undistort Transforms an image to compensate for lens distortion
dst = cv.undistort(src, cameraMatrix, distCoeffs)
dst = cv.undistort(..., 'OptionName', optionValue, ...)
A = [fx 0 cx; 0 fy cy; 0 0 1]
.[k1,k2,p1,p2,k3,k4,k5,k6,s1,s2,s3,s4]
of 4, 5, 8 or 12 elements.
If the vector is empty, the zero distortion coefficients are assumed.src
.cameraMatrix
but you may additionally scale and shift
the result by using a different matrix. Not set by defaultThe function transforms an image to compensate radial and tangential lens distortion.
The function is simply a combination of cv.initUndistortRectifyMap (with
unity R
) and cv.remap (with bilinear interpolation). See the former
function for details of the transformation being performed.
Those pixels in the destination image, for which there is no correspondent pixels in the source image, are filled with zeros (black color).
A particular subset of the source image that will be visible in the
corrected image can be regulated by NewCameraMatrix
. You can use
cv.getOptimalNewCameraMatrix to compute the appropriate NewCameraMatrix
depending on your requirements.
The camera matrix and the distortion parameters can be determined using
cv.calibrateCamera. If the resolution of images is different from the
resolution used at the calibration stage, fx
, fy
, cx
and cy
need to
be scaled accordingly, while the distortion coefficients remain the same.


WATCH: Emma Tiglao talks about pageant journey, charity work in Miss Intercontinental intro video
Emma is aiming for a back-to-back win in the Miss Intercontinental 2019 pageant in Egypt on December 20
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This test checks that when lazyload scripts is inserted more than once
We do not fail
Like calling an ajax html page that has the script in it
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o


0
0
0
0
0
0
0
YOUTUBE URL / IP CAMERA:
CONNECT
OR:
UPLOAD NEW FILE
START
STOP
TAKE SCREENSHOT
RESET SETTINGS
DOWNLOAD RENDER
DOWNLOAD OBJECTS
RENDER MODE:
OBJECTS EXTRACTOR
BLUR OBJECTS WITH ASCII
GRAY BACKGROUND
BLUR BACKGROUND
CANNY WITH BLUR
CANNY WITH ANIMATED BACKGROUND
NEURAL NETWORK COLORIZER
(CPU) EDSR / LAPSRN / FSRCNN
(GPU) ESRGAN / PSNR
(GPU) Depth-Aware Interpolation
DENOISE AND SHARPEN
ASCII PAINTER
CARTOON STYLE
PENCIL DRAWER
SOBEL FILTER
TWO-COLORED
VIEW SOURCE
UPSCALER MODEL:
LapSRN (SLOW)
EDSR (VERY SLOW)
FSRCNN (FAST)
FSRCNN-SMALL (VERY FAST)
UPSCALER MODEL:
FALCOON
MANGA109
RRDB_ESRGAN
RRDB_PSNR
ESRGAN-PSNR INTERPOLATION_0.2
ESRGAN-PSNR INTERPOLATION_0.4
ESRGAN-PSNR INTERPOLATION_0.6
ESRGAN-PSNR INTERPOLATION_0.8
POSITION:
SATURATION:
CONTRAST:
BRIGHTNESS:
CONFIDENCE THRESHOLD:
RCNN OBJECT SIZE:
<
BLUR STRENGTH:
EDGE FILTER:
FIRST THRESHOLD:
SECOND THRESHOLD:
LINE THICKNESS:
COLOR COUNT:
COLOR NOISE FILTER:
DENOISE STRENGTH:
SHARPEN STRENGTH:
SHARPEN DETAILS:
SOBEL FILTER:
FONT SIZE:
FONT INTERVAL:
FONT THICKNESS:
RESIZE MULTIPLIER:


This command is used to add one, or more, nodes to a graph. graph will be created if it doesn't already exist.
Number of elements added not including the nodes that already existed
Removes a node and all its edges
Returns 1 of the node exists, 0 if it doesn't exist
Returns the indegree of the node (number of incoming edges)
Returns the outdegree of the node (number of outcoming edges). For directed graphs, it returns the number of edges connected to the node
This commands adds a new edge between node1 and node2. If the edge already exists, the edge value will be updated.
Returns the edge value
Returns 1 if the node exists in the graph (graph_name), otherwise it returns 0
Returns list of graph nodes that match the pattern string
Returns 1 if there is an edge that exists between node1 and node2 in the graph graph_name
Returns the value of the edge between two nodes
The value of the edge between node1 and node2
Returns a list of all the edges and their values in the graph, ordered by the time of insertion
A list of length (3 * edges_Count). Each 3 elements represent node 1, node 2, and the edge value
Returns a list of a node neighbours
Returns the neighbour of a node with the highest value of the edge
The return value is an array of 2 elements, the neighbour name and the value of the edge
If the node has no neighbours, the return value will be a zero
This command is used to retrieve a list of all the common neighbours between two nodes in one graph
A list of the common neighbours
This command runs Dijkstra algorithm to find the shortest path from node 1 to node 2 in a graph
A list that contains the nodes that build the path from node 1 to node 2, and the cost of that path.
This command calculates the minimum spanning tree using Prim's algorithm, and saves the resulting tree in another graph


Greta asks media to focus on other young climate activists
by The Associated PressMADRID — Celebrity environmentalist Greta Thunberg is urging media to pay more attention to other young climate activists.
The 16-year-old Swede has drawn huge crowds with her appearances at protests and conferences over the past year.
“Our stories have been told over and over again,” Thunberg said as she spoke Monday at a U.N. climate meeting in Madrid alongside prominent German activist Luisa Neubauer. “There is no need to listen to us anymore.”
Thunberg has been the centre of attention at the climate talks ever since she sailed back to Europe last week, having shunned air travel for environmental reasons. She left a protest march through the Spanish capital early after being mobbed by crowds of protesters and reporters Friday.
“It is people especially from the global south, especially from indigenous communities, who need to tell their stories,” she said before handing the mic to other young activists from the United States, the Philippines, Russia, Uganda, Chine and the Marshall Islands.
___
Follow AP’s climate coverage at https://www.apnews.com/Climate
The Associated Press


{% extends "portfolio/base.html" %} {% block content %}
{{ e.description }}
Edit Gallery
This gallery is not publicly visible.


|
UMI3D Unity SDK
2.5.b.221125
A UMI3D sdk implementation using Unity
|
Volume cell represented by an .obj More...
Public Member Functions | |||
| UMI3DUserEvent | GetUserEnter () | ||
| Return the event raised when a user enters the volume cell. More... | |||
| UMI3DUserEvent | GetUserExit () | ||
| Return the event raised when a user exits the volume cell. More... | |||
| DeleteEntity | GetDeleteEntity (HashSet< UMI3DUser > users=null) | ||
| Return delete operation More... | |||
| virtual LoadEntity | GetLoadEntity (HashSet< UMI3DUser > users=null) | ||
| Return load operation More... | |||
| ulong | Id () | ||
| UMI3D Id of an entity. Null id is 0 Ids are set between 1 and 18,446,744,073,709,551,615. Actualy between 1 and 9,223,372,036,854,775,807 due to the serializer not sutporting unsigned values.
| |||
| bool | LoadOnConnection (UMI3DUser user) | ||
| Condition to be loaded on connection. More... | |||
| bool | AddConnectionFilter (UMI3DUserFilter filter) | ||
| Add a filtering condition from the user filtering. More... | |||
| bool | RemoveConnectionFilter (UMI3DUserFilter filter) | ||
| Remove a filtering condition from the user filtering. More... | |||
| virtual IEntity | ToEntityDto (UMI3DUser user) | ||
Convert the entity to a DTO.
| |||
| Bytable | ToBytes (UMI3DUser user) | ||
| bool | IsTraversable () | ||
Can the volume be traversed?
| |||
| bool | IsTraversable () | ||
| Can the volume be traversed? More... | |||
| UMI3DUserEvent | GetUserEnter () | ||
| Return the event raised when a user enters the volume cell. More... | |||
| UMI3DUserEvent | GetUserExit () | ||
| Return the event raised when a user exits the volume cell. More... | |||
| LoadEntity | GetLoadEntity (HashSet< UMI3DUser > users=null) | ||
| Ask the clients to load the entity. More... | |||
| DeleteEntity | GetDeleteEntity (HashSet< UMI3DUser > users=null) | ||
| Ask the clients to delete the entity. More... | |||
| IEntity | ToEntityDto (UMI3DUser user) | ||
| Convert the entity to a DTO. More... | |||
| Bytable | ToBytes (UMI3DUser user) | ||
| Convert the entity to a list of bytes as a bytable. More... | |||
| bool | LoadOnConnection (UMI3DUser user) | ||
| Condition to be loaded on connection. More... | |||
| bool | AddConnectionFilter (UMI3DUserFilter filter) | ||
| Add a filtering condition from the user filtering. More... | |||
| bool | RemoveConnectionFilter (UMI3DUserFilter filter) | ||
| Remove a filtering condition from the user filtering. More... | |||
| ulong | Id () | ||
| UMI3D Id of an entity. More... | |||
Volume cell represented by an .obj
| bool umi3d.edk.volume.OBJVolume.AddConnectionFilter | ( | UMI3DUserFilter | filter | ) |
Add a filtering condition from the user filtering.
| filter |
Implements umi3d.edk.UMI3DMediaEntity.
| DeleteEntity umi3d.edk.volume.OBJVolume.GetDeleteEntity | ( | HashSet< UMI3DUser > | users = null | ) |
|
virtual |
| UMI3DUserEvent umi3d.edk.volume.OBJVolume.GetUserEnter | ( | ) |
Return the event raised when a user enters the volume cell.
Implements umi3d.edk.volume.IVolume.
| UMI3DUserEvent umi3d.edk.volume.OBJVolume.GetUserExit | ( | ) |
Return the event raised when a user exits the volume cell.
Implements umi3d.edk.volume.IVolume.
| ulong umi3d.edk.volume.OBJVolume.Id | ( | ) |
UMI3D Id of an entity. Null id is 0
Ids are set between 1 and 18,446,744,073,709,551,615.
Actualy between 1 and 9,223,372,036,854,775,807 due to the serializer not sutporting unsigned values.
Implements umi3d.edk.UMI3DEntity.
| bool umi3d.edk.volume.OBJVolume.IsTraversable | ( | ) |
| bool umi3d.edk.volume.OBJVolume.LoadOnConnection | ( | UMI3DUser | user | ) |
Condition to be loaded on connection.
| user |
Implements umi3d.edk.UMI3DMediaEntity.
| bool umi3d.edk.volume.OBJVolume.RemoveConnectionFilter | ( | UMI3DUserFilter | filter | ) |
Remove a filtering condition from the user filtering.
| filter |
Implements umi3d.edk.UMI3DMediaEntity.
Convert the entity to a list of bytes as a bytable.
| baseSize | |
| user |
Used in networking with bytes. Currently not implemented.
Implements umi3d.edk.UMI3DLoadableEntity.
Convert the entity to a DTO.
| user |
Implements umi3d.edk.UMI3DLoadableEntity.


Nurturing talent and character. Providing professional and structured talent development in Africa.
Soccer, Swimming, Badminton, and Basketball
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Work history
In my young career I've been working for some great companies already.
Currently I'm working as a user experience designer at Jobs & Media Group since March 2017. Next to that I'm always working on my own company Creators & Such, doing design (consultancy) and front-end development since around 2011.
Before I started working at Jobs & Media Group I did a front-end development traineeship at Nordique. My thesis I wrote for iWink, doing research to the users of a potential product and creating a prototype of that product. During my study I've worked at Catawiki as a summer job, helping their main designer to get all the design work back on track.
Tools
At a young age I started designing in paint, didn't look like much of cource. Photoshop was next, at the age of around 11/12 I started creating banners for in Counter Strike 1.6 and for on forums. That's where my love for design started. Nowadays I know more tools, I've listed them below here.
Design tools
Front-end tools
Education
In 2016 I have finished the study CMD (Communication and Multimedia Design) at the Hanzehogeschool in Groningen, the Netherlands. During my study I specialised myself in Brand- and designmanagement, which helped me to understand and build business from the design perspective. The time it took me to complete this study? 4 years, so no delay for me!
So, I've got my Bachelor of Science. Pretty good right? What did I love about my study? That I had so much time ... While others used the time to chill, drink and go out I used the time to create my design business and learn, learn, learn about (ux) design.
Before I started with my bachelor study I studied hotel management, also completed that of course. That's where I developed my entrepreneurial and social skills. But yeah, eventually not my thing. While I was doing this study I was always designing in the spare time I had. Logical choice to do a design study after this.
Certificates
In progress | Designkit: The Course for Human Centered Design 2018
-
Interaction Design Foundation 2017/2018
Web Design for Usability, Conducting Usability Testing, Dynamic User Experience: Design and Usability, User Research — Methods and Best Practices, Become a UX Designer from Scratch & Mobile User Experience (UX) Design
Google Mobile Sites-certificering 2017
-
Online Digitale Marketing-training 2016
Dutch Digital Agencies Talent program 2016
PLAY_GRND Talent program 2015


We reached the beached 🚴🏻🚴🏻 @anthony_vdh
5/20/2017, 2:59:15 PM
Favs: 13
Retweets: 0
link--- layout: tweet ---
We reached the beached 🚴🏻🚴🏻 @anthony_vdh
5/20/2017, 2:59:15 PM
Favs: 13
Retweets: 0
link@anthony_vdh Data! https://www.strava.com/activities/1000387601
5/22/2017, 9:49:04 AM
Favs: 1
Retweets: 0
link


Finds the index of a given element in a sorted array using the binary search algorithm.
l
and r
, initialized to 0
and the length
of the array respectively.while
loop to repeatedly narrow down the search subarray, using Math.floor()
to
cut it in half.-1
.


What is Quikshop?
Quikshop is an web based app that allows users to get in and out of a store without ever having to wait in line. This is done by scanning an item into the app through our scanner. When you have finished your shopping you simply checkout with your items in your app's cart and show an employee your reciept that will be emailed to you on your way out.
On the homepage press create account and enter your information. After you have completed this you will have an account with Quikshop and will be able to enter the site in order to shop quickly.
Yes. A single Quikshop account is available to anyone in the same family that has been provided your username and password.
You will be able to enter the site, will be eligible to recieve coupon recommendations for the items in your cart, be able to ask for help if needed, and be able to modify your billing information on your profile.
Simply scan the item you wish to add to your cart and it will be added. If you are unable to scan your item you will need to manually add your item to your cart by entering the product key.
Quikshop will offer coupons based on what you have in your cart. If an item is found to match an item that has a coupon available then Quikshop will present you the coupon and allow you to use it.
Yes.
Yes. You can manually select the items from a store's list and put them in your cart.


Class handling the gameplay for the game. More...
Public Member Functions | |
| GameEngine () | |
| GameEngine class constructor. More... | |
| void | setGUI (UserInterface userInterface) |
| Setter for the gui field. More... | |
| void | processCommand (String commandLine) |
| Process the command. More... | |
Static Public Member Functions | |
| static ArrayList< Room > | getRooms () |
Private Member Functions | |
| void | printWelcome () |
| Welcome the user at the start of the game. More... | |
| Room | createRooms () |
| Create the rooms, link them and return the first Room. More... | |
| void | endGame (boolean winning) |
| Print goodbye message and disable gui. More... | |
Private Attributes | |
| Player | player |
| Player for the game. More... | |
| HashSet< MovingCharacter > | movingCharacters |
| Set of all the moving characters in the game. More... | |
| UserInterface | gui |
| User interface for the game. More... | |
| int | helpCount |
| Help query counter. More... | |
| int | commandCountDown |
| The command number limit of the game. More... | |
Static Private Attributes | |
| static ArrayList< Room > | gameRooms |
| A list of all the rooms in the game. More... | |
Class handling the gameplay for the game.
It takes care of rooms, parser, and room creations and command processing.
Definition at line 37 of file GameEngine.java.
| pkg_game.GameEngine.GameEngine | ( | ) |
GameEngine class constructor.
Definition at line 76 of file GameEngine.java.
References pkg_game.GameEngine.commandCountDown, pkg_game.GameEngine.createRooms(), pkg_game.GameEngine.gameRooms, pkg_game.GameEngine.helpCount, pkg_game.GameEngine.movingCharacters, and pkg_game.GameEngine.player.
|
private |
Create the rooms, link them and return the first Room.
Definition at line 121 of file GameEngine.java.
Referenced by pkg_game.GameEngine.GameEngine().
|
private |
Print goodbye message and disable gui.
| winning | Equals to true if the player won |
Definition at line 300 of file GameEngine.java.
Referenced by pkg_game.GameEngine.processCommand().
|
static |
Definition at line 306 of file GameEngine.java.
References pkg_game.GameEngine.gameRooms.
Referenced by pkg_world.Room.getRandomAdjacentRoom().
|
private |
Welcome the user at the start of the game.
Definition at line 104 of file GameEngine.java.
Referenced by pkg_game.GameEngine.setGUI().
| void pkg_game.GameEngine.processCommand | ( | String | commandLine | ) |
Process the command.
| commandLine | The command to process. |
Definition at line 238 of file GameEngine.java.
References pkg_game.GameEngine.commandCountDown, pkg_game.GameEngine.endGame(), pkg_world.Player.getCurrentRoom(), pkg_game.GameEngine.gui, pkg_game.GameEngine.movingCharacters, pkg_game.GameEngine.player, and pkg_game.UserInterface.println().
| void pkg_game.GameEngine.setGUI | ( | UserInterface | userInterface | ) |
Setter for the gui field.
| userInterface | The user interface to set |
Definition at line 95 of file GameEngine.java.
References pkg_game.GameEngine.commandCountDown, pkg_game.GameEngine.gui, and pkg_game.GameEngine.printWelcome().
|
private |
The command number limit of the game.
It is initially equals to 42
Definition at line 71 of file GameEngine.java.
Referenced by pkg_game.GameEngine.GameEngine(), pkg_game.GameEngine.processCommand(), and pkg_game.GameEngine.setGUI().
|
staticprivate |
A list of all the rooms in the game.
Definition at line 47 of file GameEngine.java.
Referenced by pkg_game.GameEngine.GameEngine(), and pkg_game.GameEngine.getRooms().
|
private |
User interface for the game.
Definition at line 57 of file GameEngine.java.
Referenced by pkg_game.GameEngine.processCommand(), and pkg_game.GameEngine.setGUI().
|
private |
Help query counter.
It is equal to 0 if the user did not asked for help, 1 if the user asked once the help and 2 if the user asked twice or more for the help
Definition at line 65 of file GameEngine.java.
Referenced by pkg_game.GameEngine.GameEngine().
|
private |
Set of all the moving characters in the game.
Definition at line 52 of file GameEngine.java.
Referenced by pkg_game.GameEngine.GameEngine(), and pkg_game.GameEngine.processCommand().
|
private |
Player for the game.
Definition at line 42 of file GameEngine.java.
Referenced by pkg_game.GameEngine.GameEngine(), and pkg_game.GameEngine.processCommand().


// Find the features
DoGSIFTEngine eng = new DoGSIFTEngine();
LocalFeatureList sourceFeats = eng.findFeatures(source);
LocalFeatureList targetFeats = eng.findFeatures(target);
// Prepare the matcher
final HomographyModel model = new HomographyModel(5f);
final RANSAC ransac =
new RANSAC(model, 1500,
new RANSAC.BestFitStoppingCondition(), true);
ConsistentLocalFeatureMatcher2d matcher =
new ConsistentLocalFeatureMatcher2d
(new FastBasicKeypointMatcher(8));
// Match the features
matcher.setFittingModel(ransac);
matcher.setModelFeatures(sourceFeats);
matcher.findMatches(targetFeats);
....


This project was a good chance to learn about the smaller things that happened locally that helped push the civil rights movement along. imagine most of us know about all of the big nation shaking events and figures, but not many know about the fight for change that was happening a few decades ago where we now are. All I really knew about the civil rights movement in Maryland was of Lillie Mae Carroll Jackson, and that’s cause I had to write a poem on her in creative writing two years ago. So to learn about local leaders in the Civil Rights movement, such as Lillie Mae Carroll Jackson's son, Clarence Mitchell Jr., who I had never of heard of before researching for this project. If it weren’t for this project I would of never of known of this leader of the NAACP and prominent civil rights lobbyist, who was a big player in “Desegregation By Presidential Order", another event ii wouldn’t of known without this project, which helped led to the Civil Rights Act of 1957.
 With this not being something that’s an issue today I never give it much thought, there for I’ve never realized how game changing it was for even a small and seemingly insignificant area compared to other places to be getting colored schools.  So, in areas that seem kinda forgettable like ours, having these schools meant so much for so many who I won’t ever know. And speaking of getting to know these people, being about to read first hand accounts was really interesting cause you’d get a glimpse into one person’s story from this time and see how all of this affected them.


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Silver
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Bronze
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| Plus one of the following: | Lounge (+$3,000)
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Massage (+$3,000)
Meals Snack Coffee Video |
| Add Ons: | Logo on Lanyard $1,000 |
Open Space Room Naming $1,000 |
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Drinks at Job Fair/ SW Tools Expo $6,000 Per Round |
PyBay Scholarships $1,800 - $6,000 |
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Scholarship Financial Aid $ You Decide |
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Preparation time
less than 30 mins
Cooking time
10 to 30 mins
Serves
Makes about 18 biscuits
Seeds and sun-dried tomatoes add flavour and texture to these cheesy wholemeal biscuits.
You will need two jam jars, a baking sheet, a 7cm/2in biscuit cutter (preferably with a handle) and a very large bowl.
For the onion and caraway seed chutney, put the onions and sugar in saucepan with the caraway seeds. Cover with a tight-fitting lid and cook for 10 minutes over a medium heat
Add the vinegar and red wine and simmer for about 20 minutes more. Add a little blackcurrant cordial, to taste, and set aside to cool.
Meanwhile, to clean the jam jars, preheat the oven to 140C/275F/Gas 1. Wash two jars well in warm soapy water then rinse thoroughly under running water. Leave the jars and lids to dry, upside down, in the oven. (Or you can clean the jars by putting them through the hot cycle of a dishwasher.)
Carefully spoon the chutney into the sterilised jars and seal while hot. Store in a cool, dark place for up to a month if not eating immediately.
Preheat the oven to 200C/400F/Gas 6.
For the biscuits, mix the rye, wholemeal and plain flour in a large bowl. Add the seeds, chopped chives, mustard powder, salt and baking powder. Stir in the sun-dried tomato paste and olive oil until combined. Add 180ml/6fl oz water and bring the mixture together to form a dough.
Lightly flour a work surface and knead the dough for about five minutes, or until the dough is smooth and elastic (it’s ready when the dough doesn’t tear readily).
Lightly grease a large clean bowl, add the dough and cover with cling film. Set aside for 15 minutes to rest.
Meanwhile, cut out a piece of baking parchment to match the size of the baking sheet.
When the dough is rested, cut the dough in half. On a lightly floured work surface, roll out the dough using a rolling pin until it is as thin as possible. Try to keep the dough in a rectangle that will fit neatly on the baking sheet and keep lifting the dough gently to ensure it’s not sticking to the work surface (add extra flour if necessary).
Lay the prepared baking parchment on top of the dough ensuring the baking parchment covers the dough completely. Using a rolling pin to help you lift the delicate dough onto the baking sheet, roll the baking parchment and dough over the rolling pin with the baking parchment against the rolling pin. Place carefully on the baking sheet - the baking parchment should be on top.
Bake for about seven minutes, then remove from the oven and lift off the baking parchment. Flip over the dough (if you do it quickly with your hands, you shouldn’t burn yourself but you can use a tea towel to protect yourself from the hot dough) and re-cover with the baking parchment. Bake for another seven minutes.
Remove the dough from the baking parchment and sheet. Place on a work surface and, using a sharp 7cm/2¾in cutter (preferably with a handle), cut out as many circles as you can get from the dough. You may need a knife to cut through seeds.
Place each circle back on the baking sheet and return to the oven for five minutes. When crisp, place the biscuits on a cooling rack.
Repeat to use the remaining dough.
Serve the cooled biscuits with mature cheddar and a dollop of chutney.