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Easy way to write contents of a Java InputStream to an OutputStream
...this input stream and writes the bytes to the
given output stream in the order that they are read. On return, this
input stream will be at end of stream. This method does not close
either stream.
This method may block indefinitely reading from the
input stream, or writing to the output...
How do I find the next commit in git? (child/children of ref)
... E -> F
\ /
D1 -> D2 ----/
The ordering of commits is done by "topo-order" or "date-order" (see GitPro book)
But since Git1.6.0, you can list the children of a commit.
git rev-list --children
git log --children
Note: for parent commits, you have the ...
How to add a progress bar to a shell script?
...ash use their own built-in echo command that doesn't accept "-n" ... so in order to accomplish the same thing you need to put \r\c at the end of the string, instead of just \r
– Justin Jenkins
Apr 2 '12 at 1:17
...
Convert string to nullable type (int, double, etc…)
...ately, much of the data is in strings, where it should be int's or double, etc...
16 Answers
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What Makes a Method Thread-safe? What are the rules?
...e a complete knowledge of the threading behaviour of the entire program in order to ensure its safety.
Again, look at my example: every method is trivial. It is the way that the methods interact with each other at a "global" level that makes the program deadlock. You can't look at every method and...
How can I maximize the editor pane in IntelliJ IDEA?
...-M on eclipse maximizes any pane--the project explorer, todo list (tasks), etc.
– Jeff Axelrod
Jun 12 '12 at 13:48
19
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Call Go functions from C
...yAdd(a, b int) int {
return int( C.doAdd( C.int(a), C.int(b)) )
}
The order in which everything is called is as follows:
foo.MyAdd(a, b) ->
C.doAdd(a, b) ->
C.goCallbackHandler(a, b) ->
foo.goCallbackHandler(a, b)
The key to remember here is that a callback function must...
Why fragments, and when to use fragments instead of activities?
...tures like the ActionBar, with tabs, overflow, split action bar, viewpager etc.
Bonus 2
The best way to communicate between fragments are intents. When you press something in a Fragment you would typically call StartActivity() with data on it. The intent is passed on to all fragments of the a...
Tactics for using PHP in a high-load site
... bandwidth is very cheap (bigger disks) whereas multiple prepare I/O's are orders of magnitude more expensive (more servers).
INDEXING
Make sure that your queries utilize at least one index. Beware though, that indexes will cost you if you write or update frequently. There are some experimental tr...
Expand a random range from 1–5 to 1–7
...verage to 4 significant figures, and the resulting output was uniform.
In order to port this code to a language that doesn't have arbitrarily large integers built-in, you'll have to cap the values of pow5 and pow7 to the maximum value of your native integral type -- if they get too big, then reset ...