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What's the difference between RANK() and DENSE_RANK() functions in oracle?
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Error :SQL Error: ORA-00923: FROM keyword not found where expected
– zloctb
Aug 18 '15 at 8:07
add a...
Convert SVG image to PNG with PHP
...t possible to call that method before reading the image, I am receiving an error "Can not process empty Imagick object". And yes my imagick extension is installed as it is working and converting images.
– Denis2310
Jul 24 at 7:19
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Saving images in Python at a very high quality
...nd trying to get good figures in a latex document, save as an eps. Specifically, try something like this after running the commands to plot the image:
plt.savefig('destination_path.eps', format='eps')
I have found that eps files work best and the dpi parameter is what really makes them look good ...
Does Git warn me if a shorthand commit ID can refer to 2 different commits?
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It should give you something like this:
$ git log cee157
error: short SHA1 cee157 is ambiguous.
error: short SHA1 cee157 is ambiguous.
fatal: ambiguous argument 'cee157': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git &l...
Split files using tar, gz, zip, or bzip2 [closed]
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Actually using -b 1024MiB gave an error that it was an invalid number of bytes. Using --bytes=1024m works.
– Brian
Mar 13 '14 at 12:52
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Check if a user has scrolled to the bottom
...op, and clientHeight are all rounded which could potentially lead to a 3px error if all align, (B) 3 pixels is hardly visible to the user so the user may think something is wrong with your site when they "think" they are at the bottom of the page when in fact they are not, and (C) certain devices (e...
Loop through files in a directory using PowerShell
...'m doing wrong but this is not working - I now get no output files (and no errors): $files = Get-ChildItem "C:\Users\gerhardl\Documents\My Received Files\" $files | Where-Object { $outFile = $_.Name + "out" Get-Content $_.FullName | Where-Object { $_ -match 'step4' -or $_ -match...
How to filter a dictionary according to an arbitrary condition function?
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In python 3.5, this returns an error: points_small = dict(filter(lambda (a,(b,c)): b<5 and c < 5, points.items())) ^ SyntaxError: invalid syntax `
– Mevin Babu
Apr 17 '...
What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
...ol>(void)
Using of __PRETTY_FUNCTION__ triggers undeclared identifier error, as expected.
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How to check for null in Twig?
...se (such as zero, empty string and empty array). Besides, it will cause an error if var is not defined. A safer way would be:
{% if var is not defined or var is null %}
which can be shortened to:
{% if var|default is null %}
If you don't provide an argument to the default filter, it assumes NU...