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What is the difference between HTTP status code 200 (cache) vs status code 304?
...est off setting a far-future Expires: or Cache-Control: max-age header for all assets, and then when an asset needs to be changed, changing the actual filename of the asset or appending a version string to requests for that asset. This eliminates the need for any request to be made unless the asset ...
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...can omit dot when using the prefix, infix and postfix notations -- the so called operator notation. While using the operator notation, and only then, you can omit the parenthesis if there is less than two parameters passed to the method.
Now, the operator notation is a notation for method-call, whi...
Best way to initialize (empty) array in PHP
...ferent ways, with the literal grammar not being dogged by the overhead of calling a function.
PHP, on the other hand, has language constructs that may look like functions but aren't treated as such. Even with PHP 5.4, which supports [] as an alternative, there is no difference in overhead because...
Structs in Javascript
...the factory example.
– John
Oct 13 '11 at 18:35
I like this approach, however be careful if you use the closure compil...
In MySQL, how to copy the content of one table to another table within the same database?
...y the content of one table to another table within the same database. Basically, I would like to insert to a table from another table. Is there easy way of doing this?
...
Making your .NET language step correctly in the debugger
... might help.
VS (2008+) can-to run as a non-admin
Do any symbols load at all the second time around? You might test by breaking in (through exception or call System.Diagnostic.Debugger.Break())
Assuming that symbols load, is there a repro that you could send us?
The likely difference is that the s...
How do I hide the status bar in a Swift iOS app?
...
You really should implement prefersStatusBarHidden on your view controller(s):
Swift 3 and later
override var prefersStatusBarHidden: Bool {
return true
}
...
Get current time as formatted string in Go?
...
All the other response are very miss-leading for somebody coming from google and looking for "timestamp in go"! YYYYMMDDhhmmss is not a "timestamp".
To get the "timestamp" of a date in go (number of seconds from january 1970...
iTunes音乐搜索 · App Inventor 2 中文网
...要改的属性
图像（用户界面）
图像_封面
宽度、高度都设 200 像素
文本输入框（用户界面）
文本输入框_歌手
宽度设“充满”，提示填“输入歌手名，比如 周杰伦”
按...
HTTP GET with request body
...body with a GET request.
Yes. In other words, any HTTP request message is allowed to contain a message body, and thus must parse messages with that in mind. Server semantics for GET, however, are restricted such that a body, if any, has no semantic meaning to the request. The requirements on parsin...