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Getting the first index of an object

... If the order of the objects is significant, you should revise your JSON schema to store the objects in an array: [ {"name":"foo", ...}, {"name":"bar", ...}, {"name":"baz", ...} ] or maybe: [ ["foo", {}], ["ba...
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Easy way to pull latest of all git submodules

...I am pretty sure that git does not have a command for this internally. In order to do so, you would need to identify what HEAD really is for a submodule. That could be as simple as saying master is the most up to date branch, etc... Following this, create a simple script that does the following: ...
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Practical non-image based CAPTCHA approaches?

... is user-hostile. Captchs is bad enough. But making it harder for users in order to get some tiny OCR benefit is positively hostile. – pbreitenbach Jul 6 '09 at 14:15 19 ...
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What is the difference between using IDisposable vs a destructor in C#?

... class to exist when it runs (they may have already been cleaned up as the order in which destructors run in is not garanteed). IDisposible should be used whenever you have an object that creates resources that need cleaning up (ie, file and graphics handles). In fact, many argue that anything you ...
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How do I measure execution time of a command on the Windows command line?

... output: command took 0:1:-1.99 (59.99s total) You should reverse the order of the 4 lines that do "lss 0" comparisons, so that the carry progresses correctly from low to high sexagesimal digits. Then the output becomes: command took 0:0:59.99 (59.99s total) – Jean-Fra...
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jQuery: what is the best way to restrict “number”-only input for textboxes? (allow decimal points)

...e think their keyboard is broken. perhaps subtly change the background or border colour.. just as long as the user knows that your app is actually doing something. – nickf May 21 '09 at 7:58 ...
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How big can a MySQL database get before performance starts to degrade

...tables. Getting a clean import of a dump file has become problematic. In order to make the process stable enough to automate, various choices needed to be made to prioritize stability over performance. If we ever had to recover from a disaster using a SQL backup, we'd be down for days. Horizontal...
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Split array into chunks

...mostly and folks in my shop tend to create all sorts of manager classes in order to "stick to" OOP, but in doing so break the conventions of Laravel making coming into a project that much more complicated. – cfkane Jul 28 at 9:03 ...
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SQL - using alias in Group By

... SQL is implemented as if a query was executed in the following order: FROM clause WHERE clause GROUP BY clause HAVING clause SELECT clause ORDER BY clause For most relational database systems, this order explains which names (columns or aliases) are valid because they must have been ...
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Are there any SHA-256 javascript implementations that are generally considered trustworthy?

...ssword becomes irrelevant. An attacker needs only to intercept the hash in order to impersonate the user, and if that hash is stored unmodified on the server, then the server is storing the true password (the hash) in plain-text. So your security is now worse because you decided add your own improv...