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Why does 1==1==1 return true, “1”==“1”==“1” return true, and “a...
...w, the "WHY?!?!" question is explained by the fact that Javascript has its roots in the C-family of languages. In which any number, other than 0 is considered to be a valid true boolean. :-/
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GIF Animated 扩展：可点击透明背景动画GIF播放器 · App Inventor 2 中文网
...会发现图片不会动，只会展示静态图片。那么问题来了，如何展示动图/动画效果呢？有2种思路参考这里。
当然，也可以使用本文介绍的这款拓展~
Gif 动画扩展，可点击，可设置透明背景，效果如下：
参考代码块：
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Enterprise app deployment doesn't work on iOS 7.1
...ed (I installed by simply emailing it)
Create the key/cer pair against the root certificate and install it on your server
Make sure your webserver utilizes the key/cer pair that matches the CA Authority root certificate
At this point you should be able to install your apps as usual over https
All of...
PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI
... The filename of the currently executing script, relative to the document root. For instance, $_SERVER['PHP_SELF'] in a script at the address http://example.com/test.php/foo.bar would be /test.php/foo.bar. The __FILE__ constant contains the full path and filename of the current (i.e. included) file...
Android Studio inline compiler showing red errors, but compilation with gradle works fine
...
<library name="wire-runtime-1.2.0">
<CLASSES>
<root url="jar://$PROJECT_DIR$/MY_MODULE/libs/wire-runtime-1.2.0.jar!/" />
</CLASSES>
<JAVADOC />
<SOURCES />
After deleting and re-adding the library it changed the root url to:
<r...
UINavigationBar custom back button without title
...every view controller so that the back button displays back instead of the root view controller name
self.navigationItem.backBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"" style:UIBarButtonItemStylePlain target:nil action:nil];
Swift 2
self.navigationItem.backBarButtonItem = UIBarButt...
Understanding garbage collection in .NET
...ts implementing Finalize Method, The Concept/Implementation
of Application Roots, Finalization Queue, Freacheable Queue comes
before they can be reclaimed.
Any object is considered garbage if it is NOT reacheable by Application
Code
Assume:: Classes/Objects A, B, D, G, H do NOT implement Fin...
How are ssl certificates verified?
...the steps they take to safeguard their cert issuance, then importing their root cert is safe.
– nsayer
Apr 8 '09 at 23:36
6
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How to tell if a file is git tracked (by shell exit code)?
...results(logs). Else it is empty.
For example if the file is git tracked,
root@user-ubuntu:~/project-repo-directory# git log src/../somefile.js
commit ad9180b772d5c64dcd79a6cbb9487bd2ef08cbfc
Author: User <someone@somedomain.com>
Date: Mon Feb 20 07:45:04 2017 -0600
fix eslint indentat...
How to update Python?
...nother symlink called conda-activate to activate in the Anaconda/Miniconda root bin folder. Now Anaconda/Miniconda is just like Ruby RVM. Just use conda-activate root to enable Anaconda/Miniconda.
Portable Python is no longer being developed or maintained.
TL;DR
Using Anaconda or miniconda, then...