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Is it possible to implement a Python for range loop without an iterator variable?
...ason, I would not use it in this manner. I am unaware of any idiom as mentioned by Ryan. It can mess up your interpreter.
>>> for _ in xrange(10): pass
...
>>> _
9
>>> 1+2
3
>>> _
9
And according to Python grammar, it is an acceptable variable name:
identifier...
How can I bring my application window to the front? [duplicate]
...
of all the methods I've found using Google, and everyone's constant insistence that activation and focus where the key. This was the only approach that worked for me. Thank you, as I would never of thought of this trick.
– Reactgular
Sep 2...
Remove credentials from Git
...g with several repositories, but lately I was just working in our internal one and all was great.
35 Answers
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How do I prevent an Android device from going to sleep programmatically?
...
One option is to use a wake lock. Example from the docs:
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, "My Tag");
wl.ac...
IN clause and placeholders
...ast in a normal build, not sure about Android :)
Happy coding.
Here is one implementation:
String makePlaceholders(int len) {
if (len < 1) {
// It will lead to an invalid query anyway ..
throw new RuntimeException("No placeholders");
} else {
StringBuilder sb ...
Why is the String class declared final in Java?
... objects. You should read about immutability to understand more about it.
One advantage of immutable objects is that
You can share duplicates by pointing them to a single instance.
(from here).
If String were not final, you could create a subclass and have two strings that look alike when "s...
In Vim is there a way to delete without putting text in the register?
...
To remove one character, try: "_x
– kenorb
Sep 6 '13 at 9:30
58
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Trimming a huge (3.5 GB) csv file to read into R
...teLines(x, file_out) # copy headers
B <- 300000 # depends how large is one pack
while(length(x)) {
ind <- grep("^[^;]*;[^;]*; 20(09|10)", x)
if (length(ind)) writeLines(x[ind], file_out)
x <- readLines(file_in, n=B)
}
close(file_in)
close(file_out)
...
How to force NSLocalizedString to use a specific language
On iPhone NSLocalizedString returns the string in the language of the iPhone.
Is it possible to force NSLocalizedString to use a specific language to have the app
in a different language than the device ?
...
How to check if a String contains only ASCII?
... CharMatchers besides ASCII, and great factory methods for creating custom ones.
– ColinD
Aug 28 '10 at 2:49
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