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Difference between HEAD and master
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master is a reference to the end of a branch. By convention (and by default) this is usually the main integration branch, but it doesn't have to be.
HEAD is actually a special type of reference that points to another reference. It may point to master or it may not (it w...
Cron jobs and random times, within given hours
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You can make the arithmetic assignments more readable by dropping the dollar sign and moving the double parens to the left (e.g. ((maxdelay = 14 * 60)) or ((delay = $RANDOM % maxdelay))). The sleep argument still needs to be the way you have it (although you could add spaces, if...
Shell script - remove first and last quote (") from a variable
...t from a larger script. It removes the quotes from the string that is held by a variable. I am doing it using sed, but is it efficient? If not, then what is the efficient way?
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List of installed gems?
Is there a Ruby method I can call to get the list of installed gems?
11 Answers
11
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OpenJDK availability for Windows OS [closed]
... I'm downvoting this. Nothing personal, but an OpenJDK build built by someone on the internet cannot easily be trusted. Who is this ojdkbuild entity anyway? How do I know I'm not distributing malware?
– Lukas Eder
Sep 12 '18 at 14:22
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Split a List into smaller lists of N size
...ays that .Count is an O(1) operation, so I doubt you'd see any improvement by storing it in a variable: docs.microsoft.com/en-us/dotnet/api/…
– user1666620
Sep 15 at 13:54
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Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
...y.join
Straight string concatenation
Then I created the same three tests by abstracting them into StringBuilderConcat, StringBuilderArrayPush and StringBuilderArrayIndex http://jsperf.com/string-concat-without-sringbuilder/5 Please go there and run tests so we can get a nice sample. Note that I fi...
How to resize an image with OpenCV2.0 and Python2.6
... need to use the resize function.
For example, this will resize both axes by half:
small = cv2.resize(image, (0,0), fx=0.5, fy=0.5)
and this will resize the image to have 100 cols (width) and 50 rows (height):
resized_image = cv2.resize(image, (100, 50))
Another option is to use scipy modul...
How to remove outliers from a dataset
...answer then, since answered your question. If you want to exclude outliers by using "outlier rule" q +/- (1.5 * H), hence run some analysis, then use this function. BTW, I did this from scratch, w/o Googling, so there's a chance that I've reenvented the wheel with this function of mine...
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Revert to a commit by a SHA hash in Git? [duplicate]
...se any non-committed changes in the working directory).
Additional Notes
By the way, perhaps it is not obvious, but everywhere where documentation says <commit> or <commit-ish> (or <object>), you can put an SHA-1 identifier (full or shortened) of commit.
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