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View not attached to window manager crash
I am using ACRA to report app crashes. I was getting a View not attached to window manager error message and thought I had fixed it by wrapping the pDialog.dismiss(); in an if statement:
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What does the Reflect object do in JavaScript?
...) will cause the this.bar() call to get rerouted to wrapper.
Avoid legacy __proto__
On some browsers, __proto__ is defined as a special property that gives access to an object's prototype. ES5 standardized a new method Object.getPrototypeOf(obj) to query the prototype. Reflect.getPrototypeOf(obj) ...
Tips for debugging .htaccess rewrite rules
...lse on your site.
e.g
#protect with a fake user agent
RewriteCond %{HTTP_USER_AGENT} ^my-fake-user-agent$
#Here is the actual rule I am testing
RewriteCond %{HTTP_HOST} !^www\.domain\.com$ [NC]
RewriteRule ^ http://www.domain.com%{REQUEST_URI} [L,R=302]
If you are using Firefox, you can use ...
Add padding on view programmatically
I am deveoping Android v2.2 app.
10 Answers
10
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Pick a random element from an array
...array = ["Frodo", "sam", "wise", "gamgee"]
let randomIndex = Int(arc4random_uniform(UInt32(array.count)))
print(array[randomIndex])
The castings are ugly, but I believe they're required unless someone else has another way.
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Private properties in JavaScript ES6 classes
...l super(). Yet babel puts them before super.
– seeker_of_bacon
Oct 3 '18 at 16:23
6
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How to check Django version
... is as an executable command:
$ python -c "import django; print(django.get_version())"
2.0
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VS Debug调试模式下内存泄露检测原理 - C/C++ - 清泛网 - 专注C/C++及内核技术
...T宏定义了malloc、realloc，如下：
#define malloc(s) _malloc_dbg(s, _NORMAL_BLOCK, __FILE__, __LINE__)
#define calloc(c, s) _calloc_dbg(c, s, _NORMAL_BLOCK, __FILE__, __LINE__)
#define realloc(p, s) _realloc_dbg(p, s, _NORMAL_BLOCK, __FILE__, __LINE__)
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Why use Abstract Base Classes in Python?
...igher-level, semantic promises in the contract.
For example, if there is a __str__() method, it is expected to return a string representation of the object. It could delete all contents of the object, commit the transaction and spit a blank page out of the printer... but there is a common understand...
WITH CHECK ADD CONSTRAINT followed by CHECK CONSTRAINT vs. ADD CONSTRAINT
...ts. If you disable a constraint with ALTER TABLE foo NOCHECK CONSTRAINT fk_b and then re-enable it with ALTER TABLE foo CHECK CONSTRAINT fk_b it doesn't verify the constraint. ALTER TABLE foo WITH CHECK CHECK CONSTRAINT fk_b is necessary in order to have the data verified.
– ...