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How to check if a table exists in a given schema

... answered Jun 6 '14 at 19:58 Erwin BrandstetterErwin Brandstetter 439k9696 gold badges809809 silver badges969969 bronze badges ...
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How do I add a delay in a JavaScript loop?

... any delay. You may want to use something like this instead: var i = 1; // set your counter to 1 function myLoop() { // create a loop function setTimeout(function() { // call a 3s setTimeout when the loop is called console.log('hello'); // your code ...
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How do I read the first line of a file using cat?

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Regular expressions in C: examples?

...s): #include <regex.h> regex_t regex; int reti; char msgbuf[100]; /* Compile regular expression */ reti = regcomp(&regex, "^a[[:alnum:]]", 0); if (reti) { fprintf(stderr, "Could not compile regex\n"); exit(1); } /* Execute regular expression */ reti = regexec(&regex,...
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How to match any non white space character except a particular one?

... 156 You can use a character class: /[^\s\\]/ matches anything that is not a whitespace characte...
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Visual Studio Editor does not underline errors anymore

...l when, but it can be related to the installation of .Net Framework 3.5 SP 1 or the MVC Beta (which I guess is unlikely). Furthermore have I installed and uninstalled both CodeRush and Resharper for evaluation purposes (decided not to keep either one of them). ...
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How can I apply a border only inside a table?

...is: table { border-collapse: collapse; } table td, table th { border: 1px solid black; } table tr:first-child th { border-top: 0; } table tr:last-child td { border-bottom: 0; } table tr td:first-child, table tr th:first-child { border-left: 0; } table tr td:last-child, table tr th:last-ch...
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How to retrieve absolute path given relative

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Random number from a range in a Bash Script

...er between 2000-65000 from a shell script. The problem is $RANDOM is a 15-bit number, so I'm stuck! 15 Answers ...
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How do I use the conditional operator (? :) in Ruby?

..., except for precedence issues. Both are expressions. Examples: puts (if 1 then 2 else 3 end) # => 2 puts 1 ? 2 : 3 # => 2 x = if 1 then 2 else 3 end puts x # => 2 Note that in the first case parenthesis are required (otherwise Ruby is confused be...