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SQL keys, MUL vs PRI vs UNI

... Matt HealyMatt Healy 14.5k33 gold badges4343 silver badges4949 bronze badges ...
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Python loop counter in a for loop [duplicate]

... Use enumerate() like so: def draw_menu(options, selected_index): for counter, option in enumerate(options): if counter == selected_index: print " [*] %s" % option else: print " [ ] %s" % option ...
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Whether a variable is undefined [duplicate]

...if(page_name != '') For other variables that don't come from something like jQuery.val() you would do this though: if(typeof page_name != 'undefined') You just have to use the typeof operator. share | ...
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How to copy files across computers using SSH and MAC OS X Terminal [closed]

...ing to copy my .profile, .rvm and .ssh folders/files to a new computer and keep getting a "not a regular file" response. I know how to use the cp and ssh commands but I'm not sure how to use them in order to transfer files from one computer to another. ...
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Get jQuery version from inspecting the jQuery object

...lly getting added to my page and I cannot see any reference to it in my markup. If I inspect it in my browser's console, it's there. ...
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How to capture UIView to UIImage without loss of quality on retina display

My code works fine for normal devices but creates blurry images on retina devices. 17 Answers ...
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Verify version of rabbitmq

... sudo rabbitmqctl status and look for line that looks like that: {rabbit,"RabbitMQ","2.6.1"}, share | improve this answer | fo...
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How do I put hint in a asp:textbox

...ox? When I say a hint I mean some text which disappears when the user clicks on it. Is there a way to achieve the same using html / css? ...
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Using Application context everywhere?

...proach, though in a lot of circumstances (such as your example) it will work well. In particular you should be careful when dealing with anything that deals with the GUI that requires a Context. For example, if you pass the application Context into the LayoutInflater you will get an Exception. Gene...
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How to delete from a text file, all lines that contain a specific string?

...pattern to match/d' ./infile To directly modify the file – does not work with BSD sed: sed -i '/pattern to match/d' ./infile Same, but for BSD sed (Mac OS X and FreeBSD) – does not work with GNU sed: sed -i '' '/pattern to match/d' ./infile To directly modify the file (and create a backu...