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How do you round UP a number in Python?
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Elaboration: math.ceil returns the smallest integer which is greater than or equal to the input value. This function treats the input as a float (Python does not have strongly-typed variables) and the function returns a float. If you want an int, you can constru...
Loop through all the files with a specific extension
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It will if it actually matches any files. You need to use shopt -s nullglob so that a non-matching pattern expands to the empty sequence rather than be treated literally.
– chepner
Aug 1 '15 at 23:08
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Should I be concerned about excess, non-running, Docker containers?
...running are not taking any system resources besides disk space.
It is usually good to clean up after yourself, but if you have a lot of them sitting around it shouldn't slow down performance at all.
If you do notice a slow down when running docker commands with lots of stopped containers, it mig...
DROP IF EXISTS VS DROP?
...ent platforms might support it with different syntax, or not support it at all. In PostgreSQL, the syntax is
DROP TABLE IF EXISTS table_name;
The first one will throw an error if the table doesn't exist, or if other database objects depend on it. Most often, the other database objects will be fo...
Named Branches vs Multiple Repositories
...ository. Your working copy will always reflect a single changeset, the so-called working copy parent changeset. Check this with:
% hg parents
Let's say that it reports [y]. You can see the heads with
% hg heads
and this will report [y] and [d]. If you want to update your repository to a clean ...
Get class name using jQuery
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this.id // for IDs
Both are standard DOM methods and well supported in all browsers.
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Dynamic SQL - EXEC(@SQL) versus EXEC SP_EXECUTESQL(@SQL)
...se. When using sp_executesql, parameters are explicitly identified in the calling signature. This excellent article descibes this process.
The oft cited reference for many aspects of dynamic sql is Erland Sommarskog's must read: "The Curse and Blessings of Dynamic SQL".
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Java - Convert integer to string [duplicate]
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they are practically the same (the last one invokes the first one, and the 2nd one is compiled to the first one). I prefer the 1st one
– Bozho
Jun 3 '13 at 9:39
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How can I change the cache path for npm (or completely disable the cache) on Windows?
I've installed Node.js on my Windows 7 x64 development machine, the manual way:
5 Answers
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How to make git diff --ignore-space-change the default
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This should be the accepted answer, because it is actually useful with examples rather than 'go to this URL'.
– DrStrangepork
Feb 6 '15 at 3:59
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