大约有 30,000 项符合查询结果（耗时：0.0472秒） [XML]
What does java.lang.Thread.interrupt() do?
...ing interruptible file I/O, the effect will not be that gentle. You'll typically get file corruption.
– Marko Topolnik
Nov 6 '16 at 18:01
...
What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }
...ction() {
function innerFunction() {
// code
}
}
Now you can call outerFunction(), but the visiblity of innerFunction() is limited to the scope of outerFunction(), meaning it is private to outerFunction(). It basically follows the same principle as variables in Javascript:
var globalV...
Backbone View: Inherit and extend events from parent
...hat is truly encapsulated. the only context used is this versus having to call the parent class by instance name. thank you very much for this.
– jessie james jackson taylor
Oct 16 '14 at 1:42
...
Best way to clear a PHP array's values
...
Like Zack said in the comments below you are able to simply re-instantiate it using
$foo = array(); // $foo is still here
If you want something more powerful use unset since it also will clear $foo from the symbol table, if you need ...
Detecting an “invalid date” Date instance in JavaScript
...
Here's how I would do it:
if (Object.prototype.toString.call(d) === "[object Date]") {
// it is a date
if (isNaN(d.getTime())) { // d.valueOf() could also work
// date is not valid
} else {
// date is valid
}
} else {
// not a date
}
Update [2018-05-31]: If yo...
TypeError: unhashable type: 'dict'
... {"a": "b"}
>>> some_dict[dict_key] = True
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: unhashable type: 'dict'
To use a dict as a key you need to turn it into something that may be hashed first. If the dict you wish to use as key consist...
How to insert a row in an HTML table body in JavaScript
...t a reference to it and add it there.
var tableRef = document.getElementById('myTable').getElementsByTagName('tbody')[0];
// Insert a row in the table at the last row
var newRow = tableRef.insertRow();
// Insert a cell in the row at index 0
var newCell = newRow.insertCell(0);
// Append a text...
Is it possible to capture a Ctrl+C signal and run a cleanup function, in a “defer” fashion?
...outine to get processor time to handle the signal, the main goroutine must call a blocking operation or call runtime.Gosched in an appropriate place (in your program's main loop, if it has one)
– misterbee
Aug 4 '13 at 15:53
...
A positive lambda: '+[]{}' - What sorcery is this? [duplicate]
...aving the same parameter and return types as the closure type’s function call operator. The value returned by this conversion function shall be the address of a function that, when invoked, has the same effect as invoking the closure type’s function call operator.
This is important as the unary...
Difference between require, include, require_once and include_once?
...on that you do not want to happen twice due to the HTTP overhead
But basically, it's up to you when to use which.
share
|
improve this answer
|
follow
|
...