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Shell command to sum integers, one per line?
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just used this for a: count all documents’ pages script: ls $@ | xargs -i pdftk {} dump_data | grep NumberOfPages | awk '{s+=$2} END {print s}'
– flying sheep
Jul 10 '13 at 14:42
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Change Screen Orientation programmatically using a Button
..._PORTRAIT works properly on tablets.
Note: this feature was introduced in API Level 9, so if you must support 8 or lower (not likely at this point), then instead use:
setRequestedOrientation(Build.VERSION.SDK_INT < 9 ?
ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE :
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How to set default value for form field in Symfony2?
..., it will also always force the value under any context. Not what I would call a "default value"...
– Hubert Perron
Apr 3 '13 at 18:25
4
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How can you disable Git integration in Visual Studio 2013 permanently?
...isable the source control plugin going to:
Tools / Options
Check "Show all settings"
Source Control / Plug-in Selection
Set "Current source control plug-in" to "None"
Then, as Ade Miller says: Restart Visual Studio.
My Visual Studio was working really slow since the git plugging was enabled ...
Why do I get AttributeError: 'NoneType' object has no attribute 'something'?
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Consider the code below.
def return_something(someint):
if someint > 5:
return someint
y = return_something(2)
y.real()
This is going to give you the error
AttributeError: 'NoneType' object has no attribute 'real'
So points are as below.
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Meaning of $? (dollar question mark) in shell scripts
.../drush status bootstrap | grep -q $(vendor/bin/drush php-eval 'if (function_exists("t")) echo t("Successful");') &> /dev/null;. If I had to put that in a single line if [ ... ] it would be terribly unreadable. I plan to store the output of that line to a variable so I can just say if [ $drupa...
Flat file databases [closed]
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Well, what is the nature of the flat databases. Are they large or small. Is it simple arrays with arrays in them? if its something simple say userprofiles built as such:
$user = array("name" => "dubayou",
"age" => 20,
"websites" => array("dubayou.com",...
Visual Studio can't build due to rc.exe
...exe and rcdll.dll to visual studio 2012\vc\bin or wherever you have it installed:
Part 2: FIX LINK : fatal error LNK1158: cannot run ‘rc.exe’
Add this to your PATH environment variables:
C:\Program Files (x86)\Windows Kits\8.0\bin\x86
Copy these files:
rc.exe
rcdll.dll
From
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What is the performance of Objects/Arrays in JavaScript? (specifically for Google V8)
Performance associated with Arrays and Objects in JavaScript (especially Google V8) would be very interesting to document. I find no comprehensive article on this topic anywhere on the Internet.
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Extracting numbers from vectors of strings
...ion is an indirect way of getting to the solution. If you want to retrieve all the numbers, I recommend gregexpr:
matches <- regmatches(years, gregexpr("[[:digit:]]+", years))
as.numeric(unlist(matches))
If you have multiple matches in a string, this will get all of them. If you're only intere...