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Best way to serialize an NSData into a hexadeximal string
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206
This is a category applied to NSData that I wrote. It returns a hexadecimal NSString representi...
How to check if an int is a null
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An int is not null, it may be 0 if not initialized.
If you want an integer to be able to be null, you need to use Integer instead of int.
Integer id;
String name;
public Integer getId() { return id; }
Besides the statement if(person.equals(null)) can...
What exactly is a Maven Snapshot and why do we need it?
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1044
A snapshot version in Maven is one that has not been released.
The idea is that before a 1.0 ...
JavaScript replace/regex
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edited Jul 22 '09 at 2:43
answered Jul 22 '09 at 1:02
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git undo all uncommitted or unsaved changes
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1704
This will unstage all files you might have staged with git add:
git reset
This will revert a...
setup cron tab to specific time of during weekdays
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Same as you did for hours:
*/2 09-18 * * 1-5 /path_to_script
0 and 7 stand for Sunday
6 stands for Saturday
so, 1-5 means from Monday to Friday
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Android Studio rendering problems
I'm using Android Studio 0.2.3 and when opened an activity layout normally, the preview should appear on the right side, so that I can switch between Text and Design mode, which should again show the preview of the layout.
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Pythonic way of checking if a condition holds for any element of a list
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any():
if any(t < 0 for t in x):
# do something
Also, if you're going to use "True in ...", make it a generator expression so it doesn't take O(n) memory:
if True in (t < 0 for t in x):
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git shallow clone (clone --depth) misses remote branches
... shallow-description in the technical documentation, a "git-clone --depth 20 repo [...] result[s in] commit chains with a length of at most 20." A shallow clone therefore should contain the requested depth of commits, from the tip of a branch.
As - in addition - the documentation of git clone for t...
Delete all data in SQL Server database
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