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git: difference between “branchname” and “refs/heads/branchname”
...bolic ref name. E.g. master typically means the commit object
referenced by refs/heads/master. If you happen to have both
heads/master and tags/master, you can explicitly say heads/master to
tell Git which one you mean. When ambiguous, a <refname> is
disambiguated by taking the first m...
How do I make UILabel display outlined text?
...
I was able to do it by overriding drawTextInRect:
- (void)drawTextInRect:(CGRect)rect {
CGSize shadowOffset = self.shadowOffset;
UIColor *textColor = self.textColor;
CGContextRef c = UIGraphicsGetCurrentContext();
CGContextSetLineWidt...
Delete file from internal storage
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@user661543 What's full path returned by the ih.getImgPath()? What you'd passed as an argument to delete file? If the method above didn't work then most likely stored your file out of application package. Or you might have passed wrong file name as an argument.
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Is there a command like “watch” or “inotifywait” on the Mac?
...nge to that directory is received, the specified
shell command is executed by /bin/bash
If you're on GNU/Linux,
inotifywatch (part of the
inotify-tools package on most distributions) provides similar
functionality.
Update: fswatch can now be used across many platforms including BSD, Debian, and Wi...
Using variables inside a bash heredoc
...ion is the default behavior inside of here-docs. You disable that behavior by quoting the label (with single or double quotes).
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What does @hide mean in the Android source code?
...}
return PackageManager.PERMISSION_DENIED;
}
However, we can call it by reflection:
Class c;
c = Class.forName("android.app.ActivityManager");
Method m = c.getMethod("checkUidPermission", new Class[] {String.class, int.class});
Object o = m.invoke(null, new Object[]{"android.permission.READ_...
MySQL error 1449: The user specified as a definer does not exist
... is possibly easiest to do when initially importing your database objects, by removing any DEFINER statements from the dump.
Changing the definer later is a more little tricky:
How to change the definer for views
Run this SQL to generate the necessary ALTER statements
SELECT CONCAT("ALTER DEFIN...
Show dialog from fragment?
... now the preferred method. You can avoid referencing the Activity entirely by using the putFragment and getFragment methods of FragmentManager, allowing the DialogFragment to report back directly to the calling fragment (even after orientation changes).
– Dave
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Execute Python script via crontab
...point in the tutorial that explains that using "/1" might not be supported by all operating systems. What operating system are you running this on?
– Raul Marengo
Jan 4 '12 at 14:02
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Create a dictionary on a list with grouping
...lVariableWhichIsAListOfDemoClass
group demoClass by demoClass.GroupKey
into groupedDemoClass
select groupedDemoClass).ToDictionary(gdc => gdc.Key, gdc => gdc.ToList());
This one will work !!!
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