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Adding days to a date in Python
... relativedelta is especially useful when doing operations on month year etc.
– forkadam
Aug 20 at 4:11
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MySQL Cannot Add Foreign Key Constraint
...ecks=0 before running the DDL so you can create the tables in an arbitrary order rather than needing to create all parent tables before the relevant child tables.
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Language Books/Tutorials for popular languages
...learn C++, read Stroustrup. If you want to learn Lisp/Scheme, read SICP. Etc.
If you're not willing to spend more than $30 and a few hours to learn a language, you probably aren't going to learn it.
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How to list all tags that contain a commit?
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Note that you need git 2.0.x (Q3 2014) in order to list all tags for a certain commit if you have a large repo
See commit cbc60b6 by Jean-Jacques Lafay (lanfeust69):
git tag --contains: avoid stack overflow
In large repos, the recursion implementation of contains(co...
Best way to turn an integer into a month name in c#?
...o January, I need to new up a date time with an arbitrary year and day, in order to just get January?
– DevelopingChris
Oct 20 '08 at 15:56
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What is the shortcut in IntelliJ IDEA to find method / functions?
...keyboard setting in
System Preferences > Keyboard > Use all F1, F2, etc. keys as standard function keys
is selected, then the shortcut becomes
CMD + F12
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MySQL: Selecting multiple fields into multiple variables in a stored procedure
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Your syntax isn't quite right: you need to list the fields in order before the INTO, and the corresponding target variables after:
SELECT Id, dateCreated
INTO iId, dCreate
FROM products
WHERE pName = iName
sha...
How do I use boolean variables in Perl?
... native boolean type, but you can use comparison of integers or strings in order to get the same behavior. Alan's example is a nice way of doing that using comparison of integers. Here's an example
my $boolean = 0;
if ( $boolean ) {
print "$boolean evaluates to true\n";
} else {
print "$boo...
CSS: Animation vs. Transition
...raight on point:
Transition:
Needs a triggering element (:hover, :focus etc.)
Only 2 animation states (start and end)
Used for simpler animations (buttons, dropdown menus and so on)
Easier to create but not so many animation/effect possibilities
Animation @keyframes:
It can be used for endles...
Get the length of a String
...s property must iterate over
the Unicode scalars in the entire string in order to determine the
characters for that string.
The count of the characters returned by the characters property is not
always the same as the length property of an NSString that contains
the same characters. The...