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How do I programmatically “restart” an Android app?
...eally kill/restart an application on Android. In my use case I want to factory-reset my application in a specific case where a server sends a specific information to the client.
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How to keep indent for second line in ordered lists via CSS?
I want to have an "inside" list with list bullets or decimal numbers being all flush with superior text blocks. Second lines of list entries have to have the same indent like the first row!
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Is std::unique_ptr required to know the full definition of T?
...f their members can be instantiated with incomplete types. The motivation for this is to support idioms such as pimpl using smart pointers, and without risking undefined behavior.
Undefined behavior can occur when you have an incomplete type and you call delete on it:
class A;
A* a = ...;
delete a...
How to iterate through two lists in parallel?
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Python 3
for f, b in zip(foo, bar):
print(f, b)
zip stops when the shorter of foo or bar stops.
In Python 3, zip
returns an iterator of tuples, like itertools.izip in Python2. To get a list
of tuples, use list(zip(foo, bar)). A...
How can I convert ereg expressions to preg in PHP?
...imiters can be pretty much anything that is not alpha-numeric, a backslash or a whitespace character. The most used are generally ~, / and #.
You can also use matching brackets:
preg_match('[^hello]', $str);
preg_match('(^hello)', $str);
preg_match('{^hello}', $str);
// etc
If your delimiter is ...
How can I split and parse a string in Python?
...Out[1]: ['2.7.0', 'bf4fda703454']
This splits the string at every underscore. If you want it to stop after the first split, use "2.7.0_bf4fda703454".split("_", 1).
If you know for a fact that the string contains an underscore, you can even unpack the LHS and RHS into separate variables:
In [8]: ...
How to disable visual “dots” in Visual Studio Editor
How can I can disable the "dots" for spaces in Microsoft Visual Studio?
5 Answers
5
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What's the difference between UTF-8 and UTF-8 without BOM?
...t the start of a text stream (0xEF, 0xBB, 0xBF) that allows the reader to more reliably guess a file as being encoded in UTF-8.
Normally, the BOM is used to signal the endianness of an encoding, but since endianness is irrelevant to UTF-8, the BOM is unnecessary.
According to the Unicode standard,...
Cannot pass null argument when using type hinting
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PHP 7.1 or newer (released 2nd December 2016)
You can explicitly declare a variable to be null with this syntax
function foo(?Type $t) {
}
this will result in
$this->foo(new Type()); // ok
$this->foo(null); // ok
$this->...
Intellij Idea 9/10, what folders to check into (or not check into) source control?
...folders should typically be excluded from source control as they are not "workstation portable", i.e.: they reference paths that only exist on one user's computer.
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