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How do I concatenate multiple C++ strings on one line?
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The concatenations done at the right of the constructor string("Hello world") are performed via operator+() defined in the class string. If there is no string object in the expression, the concatenation becomes a mere sum of char pointers char*...
How to remove files that are listed in the .gitignore but still on the repository?
...:
git rm --cached `git ls-files -i --exclude-from=.gitignore`
But this doesn't seem to work in Git Bash on Windows. It produces an error message. The following works better:
git ls-files -i --exclude-from=.gitignore | xargs git rm --cached
Regarding rewriting the whole history without these...
How can I reverse a list in Python?
How can I do the following in Python?
35 Answers
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Best way to implement keyboard shortcuts in a Windows Forms application?
I'm looking for a best way to implement common Windows keyboard shortcuts (for example Ctrl + F , Ctrl + N ) in my Windows Forms application in C#.
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Database Diagram Support Objects cannot be Installed … no valid owner
...hould consider SQL authentication account for database ownership; then you don't have to worry about accounts coming and going, databases or instances moving to different servers, and your next PC name change. I have several systems where we use:
ALTER AUTHORIZATION ON DATABASE::Ariha TO [sa];
Or...
Named placeholders in string formatting
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StrSubstitutor of jakarta commons lang is a light weight way of doing this provided your values are already formatted correctly.
http://commons.apache.org/proper/commons-lang/javadocs/api-3.1/org/apache/commons/lang3/text/StrSubstitutor.html
Map<String, String> values = new HashM...
Create zip file and ignore directory structure
...k-paths
Store just the name of a saved file (junk the path), and do not
store directory names. By default, zip will store the full path
(relative to the current directory).
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Is there a way to ignore header lines in a UNIX sort?
... sort) > newfile
The parentheses create a subshell, wrapping up the stdout so you can pipe it or redirect it as if it had come from a single command.
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What's a concise way to check that environment variables are set in a Unix shell script?
... I need to check that certain environment variables are set before I start doing stuff, so I do this sort of thing:
14 Answ...
Determining the current foreground application from a background task or service
...n can know what the application currently running in the foreground is."
Do NOT use the getRunningAppProcesses() method as this returns all sorts of system rubbish from my experience and you'll get multiple results which have RunningAppProcessInfo.IMPORTANCE_FOREGROUND. Use getRunningTasks() inst...