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Calculating the difference between two Java date instances
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The JDK Date API is horribly broken unfortunately. I recommend using Joda Time library.
Joda Time has a concept of time Interval:
Interval interval = new Interval(oldTime, new Instant());
EDIT: By the way, Joda has two concepts: Interval...
What is Prefix.pch file in Xcode?
...are adding various convenience macros to the Prefix.pch . But my question is what is that Prefix.pch file.
4 Answers
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How can I use grep to find a word inside a folder?
...d by a wildcard character
-r Recursively search subdirectories listed
. Directory for search (current directory)
grep -nr 'MobileAppSer*' . (Would find MobileAppServlet.java or MobileAppServlet.class or MobileAppServlet.txt; 'MobileAppASer*.*' is another way to do the same ...
C# member variable initialization; best practice?
Is it better to initialize class member variables on declaration
7 Answers
7
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omp parallel vs. omp parallel for
What is the difference between these two?
6 Answers
6
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Android AsyncTask threads limits?
...ll execute on an AsyncTask, the ThreadPoolExecutor will execute it when it is ready some time in the future.
The 'when am I ready?' behavior of a ThreadPoolExecutor is controlled by two parameters, the core pool size and the maximum pool size. If there are less than core pool size threads currently...
How do I see what character set a MySQL database / table / column is?
What is the (default) charset for:
14 Answers
14
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Why number 9 in kill -9 command in unix? [closed]
...e and I was thinking maybe programming gurus in the community might know this.
I usually use
13 Answers
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git cherry-pick says “…38c74d is a merge but no -m option was given”
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The way a cherry-pick works is by taking the diff a changeset represents (the difference between the working tree at that point and the working tree of its parent), and applying it to your current branch.
So, if a commit has two or more parents, it als...
Datetime - Get next tuesday
...comments, there are various things you could mean by "next Tuesday", but this code gives you "the next Tuesday to occur, or today if it's already Tuesday":
DateTime today = DateTime.Today;
// The (... + 7) % 7 ensures we end up with a value in the range [0, 6]
int daysUntilTuesday = ((int) DayOfWee...