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Ruby: Change negative number to positive number?
What's the simplest way of changing a negative number to positive with ruby?
3 Answers
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How to suppress “unused parameter” warnings in C?
...e of many that have to have the same signature because they are referenced by a function pointer.
– josch
Sep 19 '14 at 5:50
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How do PHP sessions work? (not “how are they used?”)
...to the user when his session is created.
it is stored in a cookie (called, by default, PHPSESSID)
that cookie is sent by the browser to the server with each request
the server (PHP) uses that cookie, containing the session_id, to know which file corresponds to that user.
The data in the sessions f...
Why is “throws Exception” necessary when calling a function?
...They usually are not the programmer's fault. For example, a file specified by user is not readable, or no network connection available, etc., In all these cases, our program doesn't need to exit, instead it can take actions like alerting the user, or go into a fallback mechanism(like offline working...
How to commit changes to a new branch
... target branch without triggering an overwrite.
As in the accepted answer by John Brodie, you can simply checkout the new branch and commit the work:
git checkout -b branch_name
git add <files>
git commit -m "message"
If your changes are incompatible with the other branch
If you get the e...
Lazy Method for Reading Big File in Python?
...GB and when I try to read it my computer hangs.
So I want to read it piece by piece and after processing each piece store the processed piece into another file and read next piece.
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Delete topic in Kafka 0.8.1.1
...ble=true can be located in the server.properties file. It is commented out by default.
– Shanemeister
Mar 10 '17 at 1:34
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Why does PEP-8 specify a maximum line length of 79 characters? [closed]
...time. Also it makes it easier for people with larger screens to multi-task by being able to set up multiple windows to be side by side.
Readability is also one of the reasons for enforced line indentation.
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Is it .yaml or .yml?
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So which am I supposed to use? The proper 4 letter extension suggested by the creator, or the 3 letter extension found in the wild west of the internet?
This question could be:
A request for advice; or
A natural expression of that particular emotion which is experienced, while one is observi...
Is MonoTouch now banned on the iPhone? [closed]
A recent post by John Gruber notes that the following legalese:
18 Answers
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