大约有 40,000 项符合查询结果(耗时:0.0375秒) [XML]
Get the Highlighted/Selected text
...y since you need nothing other than the window and document objects.
function getSelectionText() {
var text = "";
if (window.getSelection) {
text = window.getSelection().toString();
} else if (document.selection && document.selection.type != "Control") {
text = d...
PHP: How to check if image file exists?
...
You need the filename in quotation marks at least (as string):
if (file_exists('http://www.mydomain.com/images/'.$filename)) {
… }
Also, make sure $filename is properly validated. And then, it will only work when allow_url_fopen is activated in your ...
List all files and directories in a directory + subdirectories
...
string[] allfiles = Directory.GetFiles("path/to/dir", "*.*", SearchOption.AllDirectories);
where *.* is pattern to match files
If the Directory is also needed you can go like this:
foreach (var file in allfiles){
FileInfo info = new FileInfo(file);
// Do something with the Folder or ...
Generating statistics from Git repository [closed]
...e seen this feature on some code hosting sites, and they contained information like...
11 Answers
...
How to start a Process as administrator mode in C# [duplicate]
I have a Visual Studio Windows app project. I've added code to download an installer update file. The installer after it has finished downloading would need administrator privileges to run. I have added a manifest file.
...
马无夜草不肥——聊聊程序员接私活的那些坑 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...还急,不仅有前端网站,还有后台,搞不好还有Android,IOS(这么全才真是没sei了),让你这周搞定。白天还要本职工作,那只能吭哧吭哧下班后加班加点干活了。
熬夜到凌晨两三点,说多了都是泪,第二天带着个黑眼圈还得像...
How to tell if UIViewController's view is visible
I have a tab bar application, with many views. Is there a way to know if a particular UIViewController is currently visible from within the UIViewController ? (looking for a property)
...
open read and close a file in 1 line of code
...to close it - Python will do it automatically either during garbage collection or at program exit. But as @delnan noted, it's better practice to explicitly close it for various reasons.
So, what you can do to keep it short, simple and explicit:
with open('pagehead.section.htm','r') as f:
outpu...
Regular Expression For Duplicate Words
I'm a regular expression newbie, and I can't quite figure out how to write a single regular expression that would "match" any duplicate consecutive words such as:
...
MySQL check if a table exists without throwing an exception
...able exists in MySQL (preferably via PDO in PHP) without throwing an exception. I do not feel like parsing the results of "SHOW TABLES LIKE" et cetera. There must be some sort of boolean query?
...