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how to prevent “directory already exists error” in a makefile when using mkdir
...$@ $<
Note use of $< instead of $^.
Finally prevent the .d files from being removed automatically:
.PRECIOUS: %/.d
Skipping the .d file, and depending directly on the directory, will not work, as the directory modification time is updated every time a file is written in that directory,...
CSS3 Rotate Animation
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How do I concatenate multiple C++ strings on one line?
...;
std::string s = ss.str();
Take a look at this Guru Of The Week article from Herb Sutter: The String Formatters of Manor Farm
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How to wait for the 'end' of 'resize' event and only then perform an action?
... here that show how to use setTimeout and the .throttle, .debounce methods from lodash and underscore, so I will mention Ben Alman's throttle-debounce jQuery plugin which accomplishes what you're after.
Suppose you have this function that you want to trigger after a resize:
function onResize() {
...
How to format strings in Java
...%f - insert a real number, standard notation
This is radically different from C#, which uses positional references with an optional format specifier. That means that you can't do things like:
String.format("The {0} is repeated again: {0}", "word");
... without actually repeating the parameter p...
Random shuffling of an array
...ublic class Util {
private static Random random;
/**
* Code from method java.util.Collections.shuffle();
*/
public static void shuffle(int[] array) {
if (random == null) random = new Random();
int count = array.length;
for (int i = count; i > 1; i--...
How to hide UINavigationBar 1px bottom line
...ow image to be shown you also need to set a custom background image, quote from Apple's documentation:
For a custom shadow image to be shown, a custom background image must
also be set with the setBackgroundImage(_:for:) method. If the default
background image is used, then the default shado...
Pretty-print C++ STL containers
...tor> class map;
}
// Basic is_container template; specialize to derive from std::true_type for all desired container types
template<typename T> struct is_container : public std::false_type { };
// Mark vector as a container
template<typename T, typename TAllocator> struct is_contain...
Named placeholders in string formatting
...h means you can decide a position for a key in the list of arguments. from now on value will be known as 0 and column as 1: MessageeFormat.format("There's an incorrect value \"{0}\" in column # {1}, using {0} as value can cause many problems", valueMap.get('value'), valueMap.get('column'))...
Check if a Python list item contains a string inside another string
...['abc-123', 'abc-456'])
The test for iterable may not be the best. Got it from here: In Python, how do I determine if an object is iterable?
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