大约有 42,000 项符合查询结果（耗时：0.0586秒） [XML]
The identity used to sign the executable is no longer valid
...
It works for me as well. command + Q to exit XCode and restart. Cheers!
– Joey
Aug 30 '13 at 4:38
9
...
Fastest Way to Serve a File Using PHP
...receives a file path, identifies what it is, sets the appropriate headers, and serves it just like Apache would.
8 Answers
...
ETag vs Header Expires
...d around but haven't been able to figure out if I should use both an ETag and an Expires Header or one or the other.
8 ...
System.Timers.Timer vs System.Threading.Timer
I have been checking out some of the possible timers lately, and System.Threading.Timer and System.Timers.Timer are the ones that look needful to me (since they support thread pooling).
...
Runtime vs. Compile time
What is the difference between run-time and compile-time?
28 Answers
28
...
Is the NOLOCK (Sql Server hint) bad practice?
I'm in the business of making website and applications that are not mission critical -> eg. banking software, space flight, intensive care monitoring application, etc. You get the idea.
...
Case objects vs Enumerations in Scala
...es. However, I find in general that enumerations are a bit clumsy in Scala and have the feel of an awkward add-on, so I now tend to use case objects. A case object is more flexible than an enum:
sealed trait Currency { def name: String }
case object EUR extends Currency { val name = "EUR" } //etc.
...
How to calculate the angle between a line and the horizontal axis?
...on, C#, etc) I need to determine how to calculate the angle between a line and the horizontal axis?
9 Answers
...
Center a position:fixed element
...a position: fixed; popup box centered to the screen with a dynamic width and height. I used margin: 5% auto; for this. Without position: fixed; it centers fine horizontally, but not vertically. After adding position: fixed; , it's even not centering horizontally.
...
How do I get the type of a variable?
...ns integer on your compiler. The names returned are not specified by the standard.
– Bo Persson
Jul 3 '12 at 12:59
12
...