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What to do Regular expression pattern doesn't match anywhere in string?

... # ...except for the />, which is grabbed here )/xgm; # Now each member of @input_tags is something like <input type="hidden" name="SaveRequired" value="False" /> foreach my $input_tag (@input_tags) { my $hash_ref = {}; # Now extract each of the fields one at a time. ...
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Force browser to clear cache

... SO is using GET arguments now. – Saeb Amini Nov 23 '11 at 16:36 61 ...
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What is the Swift equivalent of isEqualToString in Objective-C?

...you don't need anymore to check the equality with isEqualToString You can now use == Example: let x = "hello" let y = "hello" let isEqual = (x == y) now isEqual is true. share | improve this ...
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MySQL, better to insert NULL or empty string?

... I don't know what best practice would be here, but I would generally err in favor of the null unless you want null to mean something different from empty-string, and the user's input matches your empty-string definition. Note that I'...
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What's the purpose of using braces (i.e. {}) for a single-line if or loop?

...think of is nested if's: if (cond1) if (cond2) doSomething(); Now, assume you now want to doSomethingElse() when cond1 is not met (new feature). So: if (cond1) if (cond2) doSomething(); else doSomethingElse(); which is obviously wrong, since the else associates with the ...
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What's the $unwind operator in MongoDB?

...s.funded_year" } } ]) If we look at the funding_rounds array, we know that for each funding_rounds, there is a raised_amount and a funded_year field. So, unwind will for each one of the documents that are elements of the funding_rounds array produce an output document. Now, in this example,...
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Get Base64 encode file-data from Input Form

...at, but it's here if you want to take a look; it's pretty neat. What I do now: The code for converting to string from a Uint8Array is pretty simple (where buf is a Uint8Array): function uint8ToString(buf) { var i, length, out = ''; for (i = 0, length = buf.length; i < length; i += 1) {...
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Can I create more than one repository for github pages?

...using custom domain names. (since April 2013, all username.github.com are now username.github.io) share | improve this answer | follow | ...
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What does “dereferencing” a pointer mean?

...ate, see "More about memory addresses, and why you probably don't need to know" at the end of this answer. When you want to access the data/value in the memory that the pointer points to - the contents of the address with that numerical index - then you dereference the pointer. Different computer...
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Setting table row height

... seriously? I thought this would always have worked. it certainly does now. anyway this is the solution I found to be best since the way table cells work is to expand to their content. so height in a td is effectively min-height, which in this case is actually what you want ...