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Move branch pointer to different commit without checkout
...or convenience and speed of work, it's better to have tracking branches in order.
– mbdevpl
Jun 15 '17 at 10:53
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How to serve static files in Flask
...rds (change the folder, change the URL path, move your static files to S3, etc).
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Get/pick an image from Android's built-in Gallery app programmatically
...savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
findViewById(R.id.Button01)
.setOnClickListener(new OnClickListener() {
public void onClick(View arg0) {
// in onCreate or a...
How to make the 'cut' command treat same sequental delimiters as one?
...eful for parsing files where the separator is not whitespace (for example /etc/passwd) and that have a fixed number of fields. Two separators in a row mean an empty field, and that goes for whitespace too.
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How to add new elements to an array?
...your code you're accessing a null reference. That's why it doesnt work. In order to have a
dynamically growing collection, use the ArrayList.
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Understanding the transclude option of directive definition?
...dd another use for transclusion, and that is that it changes the execution order of the compile and link functions of parent and child directives. This can be useful when you want to compile the child DOM before the parent DOM as the parent DOM perhaps depends on the child DOM. This article goes mor...
How does the C code that prints from 1 to 1000 without loops or conditional statements work?
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XML Schema minOccurs / maxOccurs default values
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How to make a promise from setTimeout
...function(resolve) {
setTimeout(resolve, delay, value); // Note the order, `delay` before `value`
/* Or for outdated browsers that don't support doing that:
setTimeout(function() {
resolve(value);
}, delay);
Or alternately:
setTimeout(resolv...
Default argument values in JavaScript functions [duplicate]
...possible to assign a param the falsy value passed as the argument.
So, in order to handle only undefined values explicitly, the preferred approach would be,
function C(a, b) {
a = typeof a === 'undefined' ? DEFAULT_VALUE_A : a;
b = typeof b === 'undefined' ? DEFAULT_VALUE_B : b;
}
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