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Rails: Logging the entire stack trace of an exception
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208
If you look at the source for the BufferedLogger class in ActiveSupport, you'll see that the se...
Inspect element that only appear when other element is mouse overed/entered
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It's fairly easy in Chrome 38.0.2094.0.
Here's what it'll look like:
Step-by-step:
Open the DevTools in the Sources panel
Make the tooltip appear by hovering over the button
Press F8 to freeze the page
Switch to the Elements panel and use the magnify...
Python's “in” set operator
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101
Yes, but it also means hash(b) == hash(x), so equality of the items isn't enough to make them t...
PhpStorm wrap/surround selection?
... -> Surround selection on typing quote or brace.
Update (for PhpStorm 2016)
For PhpStorm Version 2016, use Cmd + Alt + S (on Mac) or Ctrl + Alt + S (on Win) to go to Settings. Tick on checkbox of Settings -> Editor -> General -> Smart Keys -> Surround selection on typing quote or b...
Use of ~ (tilde) in R programming Language
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edited Nov 3 '17 at 13:10
SnowFrog
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answered Fe...
Why does csvwriter.writerow() put a comma after each character?
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answered Nov 29 '09 at 21:50
Laurence GonsalvesLaurence Gonsalves
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SQL Server Output Clause into a scalar variable
...ikael ErikssonMikael Eriksson
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Resize image to full width and fixed height with Picasso
..., and to display the center part of the image cropped by a fixed height (150dp). I currently have the following code:
2 Ans...
What is the difference between _tmain() and main() in C++?
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360
_tmain does not exist in C++. main does.
_tmain is a Microsoft extension.
main is, according t...
Assign output of a program to a variable using a MS batch file
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One way is:
application arg0 arg1 > temp.txt
set /p VAR=<temp.txt
Another is:
for /f %%i in ('application arg0 arg1') do set VAR=%%i
Note that the first % in %%i is used to escape the % after it and is needed when using the above code in a b...