大约有 20,000 项符合查询结果（耗时：0.0440秒） [XML]
What's quicker and better to determine if an array key exists in PHP?
...
there is a difference from php.net you'll read:
isset() does not return TRUE for array
keys that correspond to a NULL value,
while array_key_exists() does.
A very informal test shows array_key_exists() to be about 2.5 times slower than isset()
...
When - and why - should you store data in the Windows Registry?
...ame directory as the program.
Problem: That program may be installed on a network and shared by many people.
Solution(Win311): individual INI files in the user's Window directory.
Problem: Many people may share a windows folder, and it should be read-only anyway.
Solution (Win95): Registry with se...
CMake使用教程 - C/C++ - 清泛网 - 专注C/C++及内核技术
...SIS not
being installed. Please install NSIS from http://nsis.sourceforge.net
CPack Error: Cannot initialize the generator NSIS
make: *** [package] Error 1
安装NSIS之后，运行成功：
D:/Projects/Lab/testngpp/cmake-2.8.1/Tests/Tutorial/Step6/build>make package
[ 50%] "Built target MathF...
Start/Stop and Restart Jenkins service on Windows
... through Command Line
Run CMD with admin
You can run following commands
"net start servicename" to
How do I save a stream to a file in C#?
...ted by Tilendor in Jon Skeet's answer, streams have a CopyTo method since .NET 4.
var fileStream = File.Create("C:\\Path\\To\\File");
myOtherObject.InputStream.Seek(0, SeekOrigin.Begin);
myOtherObject.InputStream.CopyTo(fileStream);
fileStream.Close();
Or with the using syntax:
using (var fileSt...
How can I programmatically get the MAC address of an iphone
... @NicTesla I can't comment for sure, but since its just doing basic networking calls I can't see a problem. Though that being said with the removal of the UDID from iOS5 getting the mac address and using it to develop some kind of alternate unique identifier might come under scrutiny by appl...
Interop type cannot be embedded
I am creating a web application on the .NET 4.0 framework (beta2) in C#.
10 Answers
10...
Difference between OData and REST web services
...k is AtomPub and JSON). ODataV4 follows rest principles.
For example, asp.net people will mostly use WebApi controller to serialize/deserialize objects into JSON and have javascript do something with it. The point of Odata is being able to query directly from the URL with
out-of-the-box options.
...
Determine distance from the top of a div to top of window with javascript
...the #my-element element and the top-fold.
Here is a demo: http://jsfiddle.net/Rxs2m/
Note that negative values mean that the element is above the top-fold.
share
|
improve this answer
|
...
How to add color to Github's README.md file
...ou can embed a SVG file:
<a><img src="http://dump.thecybershadow.net/6c736bfd11ded8cdc5e2bda009a6694a/colortext.svg"/></a>
You can then add color text to the SVG file as usual:
<?xml version="1.0" encoding="utf-8"?>
<svg version="1.1"
xmlns="http://www.w3.org/200...