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How to insert newline in string literal?
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answered Nov 3 '10 at 9:44
Jon SkeetJon Skeet
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Symfony 2: How do I check if a user is not logged in inside a template?
.../providers/…
– Ronan
Oct 1 '13 at 10:04
16
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Using JQuery to check if no radio button in a group has been checked
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answered Jan 15 '10 at 14:36
Dominic RodgerDominic Rodger
87.2k2828 gold badges185185 silver badges205205 bronze badges
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Throwing cats out of windows
...r k in 1..n.
It agrees with Google result from Gaurav Saxena's link for (100, 2).
int n = 100; // number of floors
int m = 20; // number of cats
int INFINITY = 1000000;
int[][] a = new int[n + 1][m + 1];
for (int i = 1; i <= n; ++i) {
// no cats - no game
a[i][0] = INFINITY;
}
for (i...
How does a UILabel's minimumScaleFactor work?
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105
In addition to what the other answers say, if you put minSize/defaultSize (division) as the mi...
How to create default value for function argument in Clojure
...ly default values.
(defn string->integer
([s] (string->integer s 10))
([s base] (Integer/parseInt s base)))
Note that assuming false and nil are both considered non-values, (if (nil? base) 10 base) could be shortened to (if base base 10), or further to (or base 10).
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How do I daemonize an arbitrary script in unix?
...Run command until we're killed.
while true; do
$COMMAND "$@"
sleep 10 # if command dies immediately, don't go into un-ctrl-c-able loop
done
The first argument is the name of the pid file to use. The second argument is the command. And all other arguments are the command's arguments.
If yo...
How do I find if a string starts with another string in Ruby?
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answered Nov 12 '10 at 20:02
steenslagsteenslag
71.2k1414 gold badges126126 silver badges157157 bronze badges
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How do you split a list into evenly sized chunks?
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+100
Here's a generator that yields the chunks you want:
def chunks(lst, n):
"""Yield successive n-sized chunks from lst."""
for...
Shell equality operators (=, ==, -eq)
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And a mistaken string comparison can produce the complete wrong answer. '10' is lexicographically less than '2', so a string comparison returns true or 0. So many are bitten by this bug:
$ [[ 10 < 2 ]]; echo $?
0
vs the correct test for 10 being arithmetically less than 2:
$ [[ 10 -lt 2 ]];...