大约有 15,471 项符合查询结果（耗时：0.0152秒） [XML]
Using a bitmask in C#
...6, Sun = 32 }
DaysBitMask mask = DaysBitMask.Sat | DaysBitMask.Thu;
bool test;
if ((mask & DaysBitMask.Sat) == DaysBitMask.Sat)
test = true;
if ((mask & DaysBitMask.Thu) == DaysBitMask.Thu)
test = true;
if ((mask & DaysBitMask.Wed) != DaysBitMask.Wed)
test = true;
// Store...
Facebook API “This app is in development mode”
...
Development mode is for testing
Go to https://developers.facebook.com/apps, then App Review -> Select No for Your app is in development and unavailable to the public
Go to Roles -> Testers, enter the Facebook user Id of the users you want to e...
How to merge a transparent png image with another image using PIL
...
import Image
background = Image.open("test1.png")
foreground = Image.open("test2.png")
background.paste(foreground, (0, 0), foreground)
background.show()
First parameter to .paste() is the image to paste. Second are coordinates, and the secret sauce is the thi...
How to count string occurrence in string?
... * @author Vitim.us https://gist.github.com/victornpb/7736865
* @see Unit Test https://jsfiddle.net/Victornpb/5axuh96u/
* @see http://stackoverflow.com/questions/4009756/how-to-count-string-occurrence-in-string/7924240#7924240
*/
function occurrences(string, subString, allowOverlapping) {
st...
How do you set a default value for a MySQL Datetime column?
...ith DATETIME...
But you can do it with TIMESTAMP:
mysql> create table test (str varchar(32), ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP);
Query OK, 0 rows affected (0.00 sec)
mysql> desc test;
+-------+-------------+------+-----+-------------------+-------+
| Field | Type | Null | Key | ...
Node.js project naming conventions for files & folders
...pplication
/config - your configuration
/public - your public files
/test - your tests
An example which uses this setup is nodejs-starter.
I personally changed this setup to:
/
/etc - contains configuration
/app - front-end javascript files
/config - loads config
/models - load...
Why doesn't Internet Explorer 11 honour conditional comments even when emulating Internet Explorer 8
...eleased last week.
That was posted on April 22, 2014.
In running a few tests myself it does appear that this was fixed and all is running smoothly again for testing the most amazing browser ever produced...Internet Explorer!
...
How do you check if a variable is an array in JavaScript? [duplicate]
... the one you have chosen.
variable.constructor === Array
This is the fastest method on Chrome, and most likely all other browsers. All arrays are objects, so checking the constructor property is a fast process for JavaScript engines.
If you are having issues with finding out if an objects proper...
Can I use a hash sign (#) for commenting in PHP?
...
<?php
echo 'This is a test'; // This is a one-line C++ style comment
/* This is a multi-line comment.
Yet another line of comment. */
echo 'This is yet another test.';
echo 'One Final Test'; # This is a one-line shell-style comm...
Suppress command line output
...en go to stderr not stdout.
Change the invocation to this:
taskkill /im "test.exe" /f >nul 2>&1
and all will be better.
That works because stdout is file descriptor 1, and stderr is file descriptor 2 by convention. (0 is stdin, incidentally.) The 2>&1 copies output file descrip...