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How to grep Git commit diffs or contents for a certain word?

.... To illustrate the difference between -S<regex> --pickaxe-regex and -G<regex>, consider a commit with the following diff in the same file: + return !regexec(regexp, two->ptr, 1, &regmatch, 0); ... - hit = !regexec(regexp, mf2.ptr, 1, &regmatch, 0); While git ...
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Image Greyscale with CSS & re-color on mouse-over?

I am looking to take an icon that is colored (and will be a link) and turn it greyscale until the user places their mouse over the icon (where it would then color the image). ...
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Where is nodejs log file?

...ode.js "app" is a separate entity. By default it will log errors to STDERR and output to STDOUT. You can change that when you run it from your shell to log to a file instead. node my_app.js > my_app_log.log 2> my_app_err.log Alternatively (recommended), you can add logging inside your appli...
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How do I check if a string is valid JSON in Python?

... can do something else with it. So far, I've only gotten the error message and type. – Joey Blake Apr 1 '11 at 12:36 2 ...
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How can I add “href” attribute to a link dynamically using JavaScript?

...lution below, using setAttribute). Does anybody know if this approach is standard? – mgiuca Jan 14 '11 at 8:53 I think...
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How do I show multiple recaptchas on a single page?

... A similar question was asked about doing this on an ASP page (link) and the consensus over there was that it was not possible to do with recaptcha. It seems that multiple forms on a single page must share the captcha, unless you're willing to use a different captcha. If you are not locked int...
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mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to

... A query may fail for various reasons in which case both the mysql_* and the mysqli extension will return false from their respective query functions/methods. You need to test for that error condition and handle it accordingly. mysql_* extension: NOTE The mysql_ functions are deprecated a...
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How to pause a YouTube player when hiding the iframe?

... The easiest way to implement this behaviour is by calling the pauseVideo and playVideo methods, when necessary. Inspired by the result of my previous answer, I have written a pluginless function to achieve the desired behaviour. The only adjustments: I have added a function, toggleVideo I have ...
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Hashing a string with Sha256

...ts, you'd better try a few test cases with non-ASCII characters such as é and 家 and see whether your results still match up. If not, you'll have to figure out what encoding your friend is really using; it might be one of the 8-bit "code pages" that used to be popular before the invention of Unico...
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How to turn a String into a JavaScript function call? [duplicate]

... Seeing as I hate eval, and I am not alone: var fn = window[settings.functionName]; if(typeof fn === 'function') { fn(t.parentNode.id); } Edit: In reply to @Mahan's comment: In this particular case, settings.functionName would be "clickedOnIt...