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QLabel: set color of text and background
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The best and recommended way is to use Qt Style Sheet.
To change the text color and background color of a QLabel, here is what I would do :
QLabel* pLabel = new QLabel;
pLabel->setStyleSheet("QLabel { background-color : red; color : blue; }");
You...
What's the best way to distribute Java applications? [closed]
Java is one of my programming languages of choice. I always run into the problem though of distributing my application to end-users.
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Why JSF calls getters multiple times
Let's say I specify an outputText component like this:
9 Answers
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Setting the default Java character encoding
...rty has to be specified as the JVM starts up; by the time your main method is entered, the character encoding used by String.getBytes() and the default constructors of InputStreamReader and OutputStreamWriter has been permanently cached.
As Edward Grech points out, in a special case like this, the ...
Nginx 403 forbidden for all files
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One permission requirement that is often overlooked is a user needs x permissions in every parent directory of a file to access that file. Check the permissions on /, /home, /home/demo, etc. for www-data x access. My guess is that ...
Finding a branch point with Git?
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I was looking for the same thing, and I found this question. Thank you for asking it!
However, I found that the answers I see here don't seem to quite give the answer you asked for (or that I was looking for) -- they seem to give the G commit, instead of the A commit.
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ssh “permissions are too open” error
I had a problem with my mac where I couldn't save any kind of file on the disk anymore.
I had to reboot OSX lion and reset the permissions on files and acls.
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Equivalent of varchar(max) in MySQL?
What is the equivalent of varchar(max) in MySQL?
6 Answers
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Installing Python packages from local file system folder to virtualenv with pip
Is it possible to install packages using pip from the local filesystem?
10 Answers
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std::unique_lock or std::lock_guard?
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The difference is that you can lock and unlock a std::unique_lock. std::lock_guard will be locked only once on construction and unlocked on destruction.
So for use case B you definitely need a std::unique_lock for the condition variable. I...