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How to show line number when executing bash script
...rrently executing).
For example, if your script reads:
$ cat script
foo=10
echo ${foo}
echo $((2 + 2))
Executing it thus would print line numbers:
$ PS4='Line ${LINENO}: ' bash -x script
Line 1: foo=10
Line 2: echo 10
10
Line 3: echo 4
4
http://wiki.bash-hackers.org/scripting/debuggingtips gi...
Plotting time in Python with Matplotlib
...
answered Oct 15 '09 at 18:18
codeapecodeape
85.4k2222 gold badges134134 silver badges163163 bronze badges
...
How does a UILabel's minimumScaleFactor work?
...
205
You need to set the label.adjustsFontSizeToFitWidth = YES;
...
What's Go's equivalent of argv[0]?
...t my own program's name at runtime? What's Go's equivalent of C/C++'s argv[0]? To me it is useful to generate the usage with the right name.
...
How do I use itertools.groupby()?
... ("vehicle", "school bus")]
for key, group in groupby(things, lambda x: x[0]):
for thing in group:
print("A %s is a %s." % (thing[1], key))
print("")
This will give you the output:
A bear is a animal.
A duck is a animal.
A cactus is a plant.
A speed boat is a vehicle.
A schoo...
How can I round down a number in Javascript?
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edited Sep 30 '19 at 10:01
Gerrit Bertier
3,1071515 silver badges2727 bronze badges
answer...
How do I use a Boolean in Python?
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Transcendence
2,07622 gold badges1818 silver badges3030 bronze badges
answered Nov 17 '09 at 12:51
Bastien LéonardBa...
What's the best way to check if a String represents an integer in Java?
...ncerned with potential overflow problems this function will perform about 20-30 times faster than using Integer.parseInt().
public static boolean isInteger(String str) {
if (str == null) {
return false;
}
int length = str.length();
if (length == 0) {
return false;
...
Calling a Method From a String With the Method's Name in Ruby
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answered Sep 10 '09 at 20:17
Colin GravillColin Gravill
3,85311 gold badge1818 silver badges1616 bronze badges
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How can I convert the “arguments” object to an array in JavaScript?
...
730
+100
ES6 usin...