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adb update a non-market apk?
.... These data will only be deleted if you uninstall or delete them manually by code.
– Vidar Vestnes
Mar 10 '10 at 16:48
1
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Assign multiple columns using := in data.table, by group
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f <- function(x) {list("hi", "hello")}
x[ , c("col1", "col2") := f(), by = a][]
# a b col1 col2
# 1: 1 1 hi hello
# 2: 2 2 hi hello
# 3: 3 3 hi hello
# 4: 1 4 hi hello
# 5: 2 5 hi hello
# 6: 3 6 hi hello
x[ , c("mean", "sum") := list(mean(b), sum(b)), by = a][]
# a b col1 c...
Pythonic way to add datetime.date and datetime.time objects
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
val() vs. text() for textarea
...text('test').val('too').text()); // Prints test
The value property, used by .val() always shows the current visible value, whereas text()'s return value can be wrong.
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Saving vim macros
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Use q followed by a letter to record a macro. This just goes into one of the copy/paste registers so you can paste it as normal with the "xp or "xP commands in normal mode.
To save it you open up .vimrc and paste the contents, then the reg...
Reformat XML in Visual Studio 2010
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Get name of current class?
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You can access it by the class' private attributes:
cls_name = self.__class__.__name__
EDIT:
As said by Ned Batcheler, this wouldn't work in the class body, but it would in a method.
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Merge Images Side by Side(Horizontally)
...Magick ships with the montage utility. Montage will append each image side-by-side allowing you to adjust spacing between each image (-geometry), and the general layout (-tile).
montage [0-5].png -tile 5x1 -geometry +0+0 out.png
Other examples can be found on Montage Usage page
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Vim Regex Capture Groups [bau -> byau : ceu -> cyeu]
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One way to fix this is by ensuring the pattern is enclosed by escaped parentheses:
:%s/\(\w\)\(\w\w\)/\1y\2/g
Slightly shorter (and more magic-al) is to use \v, meaning that in the pattern after it all ASCII characters except '0'-'9', 'a'-'z', '...
Selecting pandas column by location
I'm simply trying to access named pandas columns by an integer.
5 Answers
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