大约有 15,461 项符合查询结果（耗时：0.0207秒） [XML]
Test whether string is a valid integer
...here. I'm extremely surprised none of the answers mention the simplest, fastest, most portable solution; the case statement.
case ${variable#[-+]} in
*[!0-9]* | '') echo Not a number ;;
* ) echo Valid number ;;
esac
The trimming of any sign before the comparison feels like a bit of a hack, bu...
Backbone.js: get current route
...utes : {
"home" : "home",
"user(:/uid)" : "user",
"test" : "completelyDifferent"
},
home : function() {
// Home route
},
user : function(uid) {
// User route
},
// Gets the current route callback function name
// or current hash ...
Executing multiple commands from a Windows cmd script
... I was trying to do something similar with npm updates and protractor tests. I didn't think this answer applied to me until I realized npm and protractor are .cmd files on Windows.
– joshden
Apr 20 '17 at 20:32
...
How to clear MemoryCache?
... above.
// By Thomas F. Abraham (http://www.tfabraham.com)
namespace CacheTest
{
using System;
using System.Diagnostics;
using System.Globalization;
using System.Runtime.Caching;
public class SignaledChangeEventArgs : EventArgs
{
public string Name { get; private se...
How to test if a string is basically an integer in quotes using Ruby
... to see the syntax, changed the regex to apply to the problem at hand, and tested it. It's pretty neat actually .. I may have to give it a longer look when I have more spare time.
– Rado
Aug 5 '09 at 22:21
...
What does the star operator mean, in a function call?
...ou want to 'store' a function call.
For example, suppose I have some unit tests for a function 'add':
def add(a, b): return a + b
tests = { (1,4):5, (0, 0):0, (-1, 3):3 }
for test, result in tests.items():
print 'test: adding', test, '==', result, '---', add(*test) == result
There is no other...
How to get the URL of the current page in C# [duplicate]
...rl = HttpContext.Current.Request.Url.AbsoluteUri;
// http://localhost:1302/TESTERS/Default6.aspx
string path = HttpContext.Current.Request.Url.AbsolutePath;
// /TESTERS/Default6.aspx
string host = HttpContext.Current.Request.Url.Host;
// localhost
...
How to verify multiple method calls with different params
...
The OP's test case calls methodToTest() exactly once, therefore this answer does verify that the two calls are made together. The captured List<String> values that is being asserted will only contain the two values being tested ...
Determine if running on a rooted device
...uild.TAGS;
return buildTags != null && buildTags.contains("test-keys");
}
private static boolean checkRootMethod2() {
String[] paths = { "/system/app/Superuser.apk", "/sbin/su", "/system/bin/su", "/system/xbin/su", "/data/local/xbin/su", "/data/local/bin/su", "/syste...
Select first row in each GROUP BY group?
...Example.
If total can be NULL, you most probably want the row with the greatest non-null value. Add NULLS LAST like demonstrated. See:
Sort by column ASC, but NULL values first?
The SELECT list is not constrained by expressions in DISTINCT ON or ORDER BY in any way. (Not needed in the simple case ...