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how to show lines in common (reverse diff)?
...ile2, and they have both overlapping and non-overlapping rows. If you want all and only the non-overlapping rows, using fgrep -v file1 file2 will only return the non-overlapping rows in file2, and none of the additional non-overlapping rows in file1. This may be obvious to some, but better to state ...
How do I create a new Swift project without using Storyboards?
Creating a new project in XCode 6 doesn't allow to disable Storyboards. You can only select Swift or Objective-C and to use or not Core Data.
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adding multiple entries to a HashMap at once in one statement
... 2016) as follow:
Map<String, Integer> cities = Map.of("Brussels", 1_139000, "Cardiff", 341_000);
The var-args case for Map is a little bit harder, you need to have both keys and values, but in Java, methods can’t have two var-args parameters. So the general case is handled by taking a va...
How do I “un-revert” a reverted Git commit?
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Please note this will remove all changes in working tree and index. Use git stash to save any changes you don't wan't to lose.
– zpon
Aug 30 '16 at 5:37
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I can't install python-ldap
...n order to compile the Python module. If you're on Ubuntu, the package is called libldap2-dev.
Debian/Ubuntu:
sudo apt-get install libsasl2-dev python-dev libldap2-dev libssl-dev
RedHat/CentOS:
sudo yum install python-devel openldap-devel
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Insert space before capital letters
...camelCase to Regular Form
"thisStringIsGood"
// insert a space before all caps
.replace(/([A-Z])/g, ' $1')
// uppercase the first character
.replace(/^./, function(str){ return str.toUpperCase(); })
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Is there some way to PUSH data from web server to browser?
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Yes, what you're looking for is COMET http://en.wikipedia.org/wiki/Comet_(programming). Other good Google terms to search for are AJAX-push and reverse-ajax.
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Storing Images in PostgreSQL
...we see that image sizes, and number of images, are growing and growing, in all applications...
We need some distinction between "original image" and "processed image", like thumbnail.
As Jcoby's answer says, there are two options, then, I recommend:
use blob (Binary Large OBject): for original imag...
Passing a string with spaces as a function argument in bash
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This works very well for me also. If we are calling another function inside myFunction then pass arguments with quotes. Cheers :)
– minhas23
May 8 '14 at 11:04
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What does DIM stand for in Visual Basic and BASIC?
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Dim originally (in BASIC) stood for Dimension, as it was used to define the dimensions of an array.
(The original implementation of BASIC was Dartmouth BASIC, which descended from FORTRAN, where DIMENSION is spelled out.)
Nowadays, D...