大约有 46,000 项符合查询结果(耗时:0.0586秒) [XML]
Does a finally block always run?
Is there any condition where finally might not run in java? Thanks.
12 Answers
12
...
The smallest difference between 2 Angles
...360 - 180
Beware in many languages the modulo operation returns a value with the same sign as the dividend (like C, C++, C#, JavaScript, full list here). This requires a custom mod function like so:
mod = (a, n) -> a - floor(a/n) * n
Or so:
mod = (a, n) -> (a % n + n) % n
If angles are...
Is there any way to see the file system on the iOS simulator?
...
The location used to be:
~/Library/Application Support/iPhone Simulator
It had directories for all models of simulators (4.0, 4.1, 5.0, etc) you have ever run, go to the one you are running from in Xcode.
Once in a folder, go to Applications, choose the Finder option that shows date for files, a...
What does T&& (double ampersand) mean in C++11?
...
It declares an rvalue reference (standards proposal doc).
Here's an introduction to rvalue references.
Here's a fantastic in-depth look at rvalue references by one of Microsoft's standard library developers.
CAUTION: ...
How to fix Array indexOf() in JavaScript for Internet Explorer browsers
If you have worked with JavaScript at any length you are aware that Internet Explorer does not implement the ECMAScript function for Array.prototype.indexOf() [including Internet Explorer 8]. It is not a huge problem, because you can extend the functionality on your page with the following code.
...
Can you make valid Makefiles without tab characters?
... have a tab character preceding the the content of each command line, or it throws a syntax error.
10 Answers
...
How to set a default value for an existing column
...:
ALTER TABLE Employee ADD CONSTRAINT DF_SomeName DEFAULT N'SANDNES' FOR CityBorn;
share
|
improve this answer
|
follow
|
...
VBA - how to conditionally skip a for loop iteration
...have a for loop over an array. What I want to do is test for a certain condition in the loop and skip to the next iteration if true:
...
Execute PowerShell Script from C# with Commandline Arguments
I need to execute a PowerShell script from within C#. The script needs commandline arguments.
7 Answers
...
Difference in System. exit(0) , System.exit(-1), System.exit(1 ) in Java
...
The parameter of exit should qualify if the execution of the program went good or bad. It's a sort of heredity from older programming languages where it's useful to know if something went wrong and what went wrong.
Exit code is
0 when execut...