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Get the current displaying UIViewController on the screen in AppDelegate.m
...oller:
UIViewController *vc = self.window.rootViewController;
Once you know the root view controller, then it depends on how you have built your UI, but you can possibly find out a way to navigate through the controllers hierarchy.
If you give some more details about the way you defined your app...
Convert a PHP object to an associative array
...
Just typecast it
$array = (array) $yourObject;
From Arrays:
If an object is converted to an array, the result is an array whose elements are the object's properties. The keys are the member variable names, with a few notable exceptions: integer properties are unaccessible; private var...
Multi-line regex support in Vim
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Yes, Perl's //s modifier isn't available on Vim regexes. See :h perl-patterns for details and a list of other differences between Vim and Perl regexes.
Instead you can use \_., which means "match any single character including newline". It's...
Android: how to make keyboard enter button say “Search” and handle its click?
...boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_SEARCH) {
performSearch();
return true;
}
return false;
}
});
shar...
SQL injection that gets around mysql_real_escape_string()
...5.6 by default: big5, cp932, gb2312, gbk and sjis. We'll select gbk here.
Now, it's very important to note the use of SET NAMES here. This sets the character set ON THE SERVER. If we used the call to the C API function mysql_set_charset(), we'd be fine (on MySQL releases since 2006). But more on wh...
Converting a string to a date in JavaScript
...e advantage of the library Moment.js that allows parsing date with the specified time zone.
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libunwind链接时报错：undefined reference to `_Ux86_64_init_local\' - ...
libunwind链接时报错：undefined reference to `_Ux86_64_init_local'编译安装libunwind后，代码编译链接时报错：undefined reference to `_Ux86_64_init_local& 39;，链接选项加了 -lunwind，仍然报错。原因：编译出来的libunwind拆分成了很多个 编译安装libunwi...
Android studio, gradle and NDK
...gration". I understood it to mean "a way to use the NDK with gradle" which now does exist, albeit none of them are fantastic solutions. However, based on your comment, it seems your team has something else in mind for what a true integration could be. I retract my previous statement.
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UITextView that expands to text using auto layout
...tionHeightConstraint setConstant:descriptionSize.height];
[self layoutIfNeeded];
}
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MySQL check if a table exists without throwing an exception
What is the best way to check if a table exists in MySQL (preferably via PDO in PHP) without throwing an exception. I do not feel like parsing the results of "SHOW TABLES LIKE" et cetera. There must be some sort of boolean query?
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