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Specify format for input arguments argparse python
...dn't find a way to check for a format in the input parameters. What I mean by checking format is explained with this example script:
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How to get the name of a class without the package?
... imageUploader: {
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Rotating a point about another point (2D)
... operation (i.e. calculating the inverse angle and then rotating clockwise by that amount)? I've seen a ton of pages giving this same formula, but nobody ever seems to see fit to talk about directionality in relation to the input / output values...
– NetXpert
A...
How do I insert datetime value into a SQLite database?
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How does one order by date with such strings?
– IgorGanapolsky
Jul 30 '13 at 16:28
3
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In Git, how do I figure out what my current revision is?
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What do you mean by "version number"? It is quite common to tag a commit with a version number and then use
$ git describe --tags
to identify the current HEAD w.r.t. any tags. If you mean you want to know the hash of the current HEAD, yo...
MySQL: Large VARCHAR vs. TEXT?
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TEXT and BLOB may by stored off the table with the table just having a pointer to the location of the actual storage. Where it is stored depends on lots of things like data size, columns size, row_format, and MySQL version.
VARCHAR is stored ...
Best practices around generating OAuth tokens?
...hange token format without breaking existing ones. All our token has first byte as version.
Use URL-safe version of Base64 to encode the BLOB so you don't have to deal with the URL-encoding issues, which makes debugging more difficult with OAuth signature, because you may see triple encoded basestri...
awk without printing newline
I want the variable sum/NR to be printed side-by-side in each iteration. How do we avoid awk from printing newline in each iteration ? In my code a newline is printed by default in each iteration
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How can strings be concatenated?
...ine break in a string using \n or you can do a line continuation in Python by putting a \ at the end of the line.
– mpen
Nov 28 '13 at 20:45
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ERROR 1452: Cannot add or update a child row: a foreign key constraint fails
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The Problem is with FOREIGN KEY Constraint. By Default (SET FOREIGN_KEY_CHECKS = 1). FOREIGN_KEY_CHECKS option specifies whether or not to check foreign key constraints for InnoDB tables. MySQL - SET FOREIGN_KEY_CHECKS
We can set foreign key check as disable before ru...