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Remove the last character in a string in T-SQL?
...
e.g.
DECLARE @String VARCHAR(100)
SET @String = 'TEST STRING'
-- Chop off the end character
SET @String =
CASE @String WHEN null THEN null
ELSE (
CASE LEN(@String) WHEN 0 THEN @String
ELSE LEFT(@String, LEN(@String) - 1)
END
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Clear file cache to repeat performance testing
... works on later versions of Windows, but I used this long ago when writing test code to compare file compression libraries. I don't recall if read or write access affected this trick.
share
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impro...
Should developers have administrator permissions on their PC
...swer is 'Yes'. Developers will need to frig with system configurations to test items, install software (if nothing else, to test the installation process of whatever they happen to be developing), poke about the registry and run software that will not work properly without admin privileges (just to...
Open a folder using Process.Start
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Have you made sure that the folder "c:\teste" exists? If it doesn't, explorer will open showing some default folder (in my case "C:\Users\[user name]\Documents").
Update
I have tried the following variations:
// opens the folder in explorer
Process.Start(@"c:\t...
Really Cheap Command-Line Option Parsing in Ruby
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+1 for Trollop. I use it for my test automation system and it Just Works. Plus it's so easy to code with that sometimes I rearrange my banner just to experience the joy of it.
– kinofrost
Jul 19 '11 at 8:24
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Http Basic Authentication in Java using HttpClient?
...code(user + ":" + pwd);
HttpPost httpPost = new HttpPost("http://host:post/test/login");
httpPost.setHeader(HttpHeaders.AUTHORIZATION, "Basic " + encoding);
System.out.println("executing request " + httpPost.getRequestLine());
HttpResponse response = httpClient.execute(httpPost);
HttpEntity entity ...
Why can't overriding methods throw exceptions broader than the overridden method?
...den method declares the exception
Example:
class Super {
public void test() {
System.out.println("Super.test()");
}
}
class Sub extends Super {
@Override
public void test() throws IndexOutOfBoundsException {
// Method can throw any Unchecked Exception
Syste...
ImageView 扩展：图片查看器扩展，支持缩放、双击缩放和动画缩放 · App In...
...eight: 24px; margin-bottom: 4px; background: url(/static/images/feedback.svg) 50% / 100% auto no-repeat; } 文档反馈 切换 目录 在线 客服 扫码添加客服咨询 我要 分享 ...
Benchmarking small code samples in C#, can this implementation be improved?
...myself benchmarking small chunks of code to see which implemnetation is fastest.
11 Answers
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Grep characters before and after match?
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grep -E -o ".{0,5}test_pattern.{0,5}" test.txt
This will match up to 5 characters before and after your pattern. The -o switch tells grep to only show the match and -E to use an extended regular expression. Make sure to put the quotes aroun...