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Bootstrap css hides portion of container below navbar navbar-fixed-top

... This is handled by adding some padding to the top of the <body>. As per Bootstrap's documentation on .navbar-fixed-top, try out your own values or use our snippet below. Tip: By default, the navbar is 50px high. body { padding-...
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Are foreign keys really necessary in a database design?

...data level. They also improve performance because they're normally indexed by default. share | improve this answer | follow | ...
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How to change port number for apache in WAMP

...rver and installed it on my system but after installing it when I check it by going to localhost url like this http://localhost/ in the browser it is not working. I am getting a 404 error and blank page . ...
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what is the difference between ?:, ?! and ?= in regex?

...d Let's apply q(?=u)i to quit. The lookahead is positive and is followed by another token. Again, q matches q and u matches u. Again, the match from the lookahead must be discarded, so the engine steps back from i in the string to u. The lookahead was successful, so the engine continues with i. Bu...
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Reverse a string in Python

...hello world'[::-1] 'dlrow olleh' This is extended slice syntax. It works by doing [begin:end:step] - by leaving begin and end off and specifying a step of -1, it reverses a string. share | improve...
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Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?

...e're looking for. Looking at your post, I suggest: What time is measured by the clock? (real, user, system, or, hopefully not, wall-clock?) What is the precision of the clock? (s, ms, µs, or faster?) After how much time does the clock wrap around? Or is there some mechanism to avoid this? Is the ...
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What is the usefulness of PUT and DELETE HTTP request methods?

...LETE method requests that the origin server delete the resource identified by the Request-URI. This method MAY be overridden by human intervention (or other means) on the origin server. The client cannot be guaranteed that the operation has been carried out, even if the status code returned from the...
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What is a provisioning profile used for when developing iPhone applications?

...ces specified within the provisioning profile can be used for testing only by those individuals whose iPhone Development Certificates are included in the profile. A single device can contain multiple provisioning profiles. ...
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How do you make Git ignore files without using .gitignore?

... with patterns in the higher level files (up to the root) being overridden by those in lower level files down to the directory containing the file. Patterns read from $GIT_DIR/info/exclude. Patterns read from the file specified by the configuration variable core.excludesfile. The last two can be ...
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Why all the Active Record hate? [closed]

... ways, so before anyone says "ActiveRecord Sucks" it needs to be qualified by saying "which ActiveRecord, there's heaps?" I'm only familiar with Rails' ActiveRecord, I'll try address all the complaints which have been raised in context of using it. @BlaM The problem that I see with Active ...