大约有 13,700 项符合查询结果（耗时：0.0369秒） [XML]
How can I validate a string to only allow alphanumeric characters in it?
...char.IsLetterOrDigit instead IsLetter+IsNumber
– nick_n_a
Oct 30 '18 at 8:27
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Properties file in python (similar to Java Properties)
...just set your properties in a python file, and use valid python (e.g: MEDIA_ROOT='/foo') ...
– danbgray
May 11 '12 at 21:19
3
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adb shell command to make Android package uninstall dialog appear
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@Johnny_D The -k flag tells the package manager to keep the cache and data directories around, even though the app is removed. If you want a clean uninstall, don't specify -k.
– Yojimbo
Feb 12 ...
Removing the fragment identifier from AngularJS urls (# symbol)
...nditions logicalGrouping="MatchAll">
<add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" />
<add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true" />
<add input="{REQUEST_URI}" pattern="^/(api)" negate="true" />
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How do I know which version of Javascript I'm using?
...es my browser's JavaScript/JSscript engine conform to".
For IE :
alert(@_jscript_version); //IE
Refer Squeegy's answer for non-IE versions :)
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AngularJs ReferenceError: $http is not defined
... I wonder why Angular's own documentation (docs.angularjs.org/tutorial/step_05) has this error.
– Anurag
Oct 9 '13 at 11:49
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C read file line by line
...ppet involving the getline() function (see the manual page here):
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
int main(void)
{
FILE * fp;
char * line = NULL;
size_t len = 0;
ssize_t read;
fp = fopen("/etc/motd", "r");
if (fp == NULL)
exit...
Get JavaScript object from array of objects by value of property [duplicate]
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Using underscore.js:
var foundObject = _.findWhere(jsObjects, {b: 6});
How to send email via Django?
... I'm not in the business of managing email servers.
In settings.py:
EMAIL_USE_TLS = True
EMAIL_HOST = 'smtp.gmail.com'
EMAIL_PORT = 587
EMAIL_HOST_USER = 'me@gmail.com'
EMAIL_HOST_PASSWORD = 'password'
NOTE: In 2016 Gmail is not allowing this anymore by default. You can either use an external se...
How do I implement an Objective-C singleton that is compatible with ARC?
...redInstance
{
static MyClass *sharedInstance = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
sharedInstance = [[MyClass alloc] init];
// Do any other initialisation stuff here
});
return sharedInstance;
}
...