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How to install Android SDK Build Tools on the command line?
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edited Aug 24 '16 at 0:54
trygub
8788 bronze badges
answered Oct 17 '13 at 0:24
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Is it safe to use -1 to set all bits to true?
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Underscore: sortBy() based on multiple attributes
...dArray = _(patients).chain().sortBy(function(patient) {
return patient[0].name;
}).sortBy(function(patient) {
return patient[0].roomNumber;
}).value();
When the second sortBy finds that John and Lisa have the same room number it will keep them in the order it found them, which the first so...
What does the [Flags] Enum Attribute mean in C#?
...ght expect in bitwise operations, because by default the values start with 0 and increment.
Incorrect declaration:
[Flags]
public enum MyColors
{
Yellow, // 0
Green, // 1
Red, // 2
Blue // 3
}
The values, if declared this way, will be Yellow = 0, Green = 1, Red = 2, B...
Algorithm to find Largest prime factor of a number
... very fast in general.
The best known method for factoring numbers up to 100 digits long is the Quadratic sieve. As a bonus, part of the algorithm is easily done with parallel processing.
Yet another algorithm I've heard of is Pollard's Rho algorithm. It's not as efficient as the Quadratic Sieve i...
Change date of git tag (or GitHub Release based on it)
...re-create new releases from the new tags
In code:
# Fixing tag named '1.0.1'
git checkout 1.0.1 # Go to the associated commit
git tag -d 1.0.1 # Locally delete the tag
git push origin :refs/tags/1.0.1 # Push this deletion up to GitHub
# Create the tag, with a date d...
Format output string, right alignment
...r.format syntax:
line_new = '{:>12} {:>12} {:>12}'.format(word[0], word[1], word[2])
And here's how to do it using the old % syntax (useful for older versions of Python that don't support str.format):
line_new = '%12s %12s %12s' % (word[0], word[1], word[2])
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Capturing Groups From a Grep RegEx
I've got this little script in sh (Mac OSX 10.6) to look through an array of files. Google has stopped being helpful at this point:
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How do I break out of nested loops in Java?
...ic static void main(String[] args) {
outerloop:
for (int i=0; i < 5; i++) {
for (int j=0; j < 5; j++) {
if (i * j > 6) {
System.out.println("Breaking");
break outerloop;
}
Sys...
Moving decimal places over in a double
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190
If you use double or float, you should use rounding or expect to see some rounding errors. If yo...