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MySQL Query to select data from last week?
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123
SELECT id FROM tbl
WHERE date >= curdate() - INTERVAL DAYOFWEEK(curdate())+6 DAY
AND date &...
Associative arrays in Shell scripts
...e ugliest of hacks.
For a verbose, detailed answer with example code see:
https://stackoverflow.com/questions/3467959
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Test for equality among all elements of a single vector
...ing by the mean:
# Determine if range of vector is FP 0.
zero_range <- function(x, tol = .Machine$double.eps ^ 0.5) {
if (length(x) == 1) return(TRUE)
x <- range(x) / mean(x)
isTRUE(all.equal(x[1], x[2], tolerance = tol))
}
If you were using this more seriously, you'd probably want to...
rreplace - How to replace the last occurrence of an expression in a string?
... = s.rsplit(old, occurrence)
... return new.join(li)
...
>>> s
'1232425'
>>> rreplace(s, '2', ' ', 2)
'123 4 5'
>>> rreplace(s, '2', ' ', 3)
'1 3 4 5'
>>> rreplace(s, '2', ' ', 4)
'1 3 4 5'
>>> rreplace(s, '2', ' ', 0)
'1232425'
...
How do I declare class-level properties in Objective-C?
...c variable? E.g. only one instance for all types of Foo?
To declare class functions in Objective-C you use the + prefix instead of - so your implementation would look something like:
// Foo.h
@interface Foo {
}
+ (NSDictionary *)dictionary;
// Foo.m
+ (NSDictionary *)dictionary {
static NSDict...
Better way of incrementing build number?
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I have used this glist. It works as expected.
https://gist.github.com/sekati/3172554
(all credit goes to the original author)
Scripts that I modified over time.
xcode-versionString-generator.sh,
xcode-build-number-generator.sh
As these gist are helping the dev commun...
Highlight all occurrence of a selected word?
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is there a way to use this functionality but with the highlighted one or more words?
– Sung Cho
Aug 6 '18 at 1:27
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Formula px to dp, dp to px android
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nice. should be marked as best answer. kotlin: private fun dpToPx(dp: Int) = (dp * Resources.getSystem().displayMetrics.density).toInt()
– Raphael C
Jan 16 at 14:13
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How to set the matplotlib figure default size in ipython notebook?
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123
I believe the following work in version 0.11 and above. To check the version:
$ ipython --ver...
Convert MySql DateTime stamp into JavaScript's Date format
...:MM:SS and either parse it or convert it to work in JavaScript's Date() function, for example:- Date('YYYY, MM, DD, HH, MM, SS);
...