大约有 34,900 项符合查询结果(耗时:0.0648秒) [XML]
Launching an application (.EXE) from C#?
...
Use System.Diagnostics.Process.Start() method.
Check out this article on how to use it.
Process.Start("notepad", "readme.txt");
string winpath = Environment.GetEnvironmentVariable("windir");
string path = System.IO.Path.GetDirectoryName(
System.Windows.Forms.A...
Showing Difference between two datetime values in hours
...
I think you're confused because you haven't declared a TimeSpan you've declared a TimeSpan? which is a nullable TimeSpan. Either remove the question mark if you don't need it to be nullable or use variable.Value.TotalHours.
...
When to use nested classes and classes nested in modules?
...ubclasses and modules, but more recently I've been seeing nested classes like this:
5 Answers
...
How to properly ignore exceptions
...xception:
pass
The difference is that the first one will also catch KeyboardInterrupt, SystemExit and stuff like that, which are derived directly from exceptions.BaseException, not exceptions.Exception.
See documentation for details:
try statement
exceptions
...
Gzip versus minify
...
Very simple to test. I took your js, put them in different files and ran gzip -9 on them. Here's the result. This was done on a WinXP machine running Cygwin and gzip 1.3.12.
-rwx------ 1 xxxxxxxx mkgroup-l-d 88 Apr 30 09:17 expanded.js.gz
-rw...
BASH copy all files except one
I would like to copy all files out of a dir except for one named Default.png. It seems that there are a number of ways to do this. What seems the most effective to you?
...
Save string to the NSUserDefaults?
...omeValue";
[[NSUserDefaults standardUserDefaults] setObject:valueToSave forKey:@"preferenceName"];
[[NSUserDefaults standardUserDefaults] synchronize];
to get it back later
NSString *savedValue = [[NSUserDefaults standardUserDefaults]
stringForKey:@"preferenceName"];
...
Why there is no ForEach extension method on IEnumerable?
Inspired by another question asking about the missing Zip function:
20 Answers
20
...
Side-by-side plots with ggplot2
I would like to place two plots side by side using the ggplot2 package , i.e. do the equivalent of par(mfrow=c(1,2)) .
13...
How can I transition height: 0; to height: auto; using CSS?
I am trying to make a <ul> slide down using CSS transitions.
51 Answers
51
...
