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How best to determine if an argument is not sent to the JavaScript function
I have now seen 2 methods for determining if an argument has been passed to a JavaScript function. I'm wondering if one method is better than the other or if one is just bad to use?
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Rails: Open link in new tab (with 'link_to')
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The target: :_blank parameter should be a parameter of link_to, whereas you put it in image_tag parameters. Modify your code like this:
<%= link_to image_tag("facebook.png", class: :facebook_icon, alt: "Facebook"), "http://www.facebook.com/mypag...
sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]
... So just follow the sed -i with single quotes, sed -i '1i export PATH="$HOME/.composer/vendor/bin:$PATH"' $HOME/.bashrc Still does not work for me
– pal4life
May 7 '14 at 14:39
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View contents of database file in Android Studio
...ool Windows > Device File Explorer
Go to data > data > PACKAGE_NAME > database, where PACKAGE_NAME is the name of your package (it is com.Movie in the example above)
Right click on the database and select Save As.... Save it anywhere you want on your PC.
Now, open the SQLiteBrowse...
What is the shortest way to pretty print a org.w3c.dom.Document to stdout?
...t is the easiest way to pretty print (a.k.a. formatted) a org.w3c.dom.Document to stdout?
6 Answers
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Is it secure to store passwords as environment variables (rather than as plain text) in config files
...(and a little bit of php), and one of the things that I started doing in some of them is storing database and other passwords as environment variables rather than plain text in certain config files (or in settings.py, for django apps).
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How can foreign key constraints be temporarily disabled using T-SQL?
...e to another. It is much better approach than dropping constraints. As you mentioned it comes handy when dropping all the data in the database and repopulating it (say in test environment).
If you are deleting all the data you may find this solution to be helpful.
Also sometimes it is handy to di...
Memcache(d) vs. Varnish for speeding up 3 tier web architecture
...'m trying to speed up my benchmark (3 tier web architecture), and I have some general questions related to Memcache(d) and Varnish.
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Delete Local Folder in TFS
...lder post, but since the only given answer seems "not entirely correct" to me I'd like to answer anyway:
I blogged about this (in german) here: blog.nils-andresen.de
If you have a local copy, that you want to un-get or un-download like this:
simply right-click the folder and then click "Get Specifi...
how to calculate binary search complexity
I heard somebody say that since binary search halves the input required to search hence it is log(n) algorithm. Since I am not from a mathematics background I am not able to relate to it. Can somebody explain it in a little more detail? does it have to do something with the logarithmic series?
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