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Undo a Git merge that hasn't been pushed yet
...ranch. Right? (This might just be a result of what git log chooses to show by default -- maybe there is a different output of git log or git reflog could be used for this)
– John Bachir
Jan 14 '11 at 18:12
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What is the “reactor” in Maven?
I've been reading about Maven reactor and am confused by its terminology usage. I've read that a multi-module is a reactor, that you can manipulate the maven reactor and that the reactor is a plugin. What exactly is the reactor?
...
Why do people put code like “throw 1; ” and “for(;;);” in front of json responses? [du
...ering the behaviour of the built-in types, in particular Object and Array, by altering their constructor function or its prototype. Then when the targeted JSON uses a {...} or [...] construct, they'll be the attacker's own versions of those objects, with potentially-unexpected behaviour.
For exampl...
How did this person code “Hello World” with Microsoft Paint?
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A BMP (DIB) image is composed by a header followed by uncompressed1 color data (for 24 bpp images it's 3 bytes per pixel, stored in reverse row order and with 4 bytes row stride).
The bytes for color data are used to represent colors (i.e. none of them a...
Difference between getDefaultSharedPreferences and getSharedPreferences
... and an operation mode (e.g. private, world_readable, etc.)
As mentioned by copolii, the result is the same, but the first option is simpler and lacks the flexibility to split to multiple preference files, that is offered by the second option of getSharedPreferences().
Sharing the preferences bet...
Why is an int in OCaml only 31 bits?
...retty much every Lisp implementation uses them, many Smalltalk VMs, many Ruby interpreters, and so on.
Usually, in those languages, you always pass around pointers to objects. An object itself consists of an object header, which contains object metadata (like the type of an object, its class(es), m...
How to remove space between axis & area-plot in ggplot2?
...d some distance away from the
axes. The defaults are to expand the scale by 5% on each side for
continuous variables, and by 0.6 units on each side for discrete
variables.
The problem is thus solved by adding expand = c(0,0) to scale_x_continuous and scale_y_continuous. This also removes the...
How to insert a newline in front of a pattern?
...d on Linux and OS X:
sed 's/regexp/\'$'\n/g'
In general, for $ followed by a string literal in single quotes bash performs C-style backslash substitution, e.g. $'\t' is translated to a literal tab. Plus, sed wants your newline literal to be escaped with a backslash, hence the \ before $. And fina...
What is the difference between an IntentService and a Service? [duplicate]
...time to onHandleIntent(). Thus, implementing a multi-thread should be made by extending Service class directly.
Service class needs a manual stop using stopSelf(). Meanwhile, IntentService automatically stops itself when it finishes execution.
IntentService implements onBind() that returns null. Th...
How do you select a particular option in a SELECT element in jQuery?
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A selector to get the middle option-element by value is
$('.selDiv option[value="SEL1"]')
For an index:
$('.selDiv option:eq(1)')
For a known text:
$('.selDiv option:contains("Selection 1")')
EDIT: As commented above the OP might have been after changing the s...