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json_encode() escaping forward slashes

...archived copy). Example Demo <?php /* * Escaping the reverse-solidus character ("/", slash) is optional in JSON. * * This can be controlled with the JSON_UNESCAPED_SLASHES flag constant in PHP. * * @link http://stackoverflow.com/a/10210433/367456 */ $url = 'http://www.example.com/'; ...
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Postgres: Distinct but only for one column

...h names (having more than 1 mio. rows), but I have also many duplicates. I select 3 fields: id , name , metadata . 3 Ans...
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Best way to require all files from a directory in ruby?

What's the best way to require all files from a directory in ruby ? 11 Answers 11 ...
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gdb fails with “Unable to find Mach task port for process-id” error

...Self Signed Root”, set “Certificate Type” to “Code Signing” and select the “Let me override defaults”. Click “Continue”. You might want to extend the predefined 365 days period to 3650 days. Click several times on “Continue” until you get to the “Specify a Location For The Ce...
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How to recognize USB devices in Virtualbox running on a Linux host? [closed]

...y success. It seems they are not detected by Virtualbox itself, since if I select the guest from the Virtualbox home (I'm using a Windows XP 3 guest), choose Settings -> USB -> Add filter from device, no devices is listed, even if an USB pen is attached and recognized by my Lubuntu 13.10. If i run t...
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What are metaclasses in Python?

...ass is an instance of a metaclass. While in Python you can use arbitrary callables for metaclasses (like Jerub shows), the better approach is to make it an actual class itself. type is the usual metaclass in Python. type is itself a class, and it is its own type. You won't be able to recreate somet...
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How to change Xcode Project name

... For Xcode 4 or later: Open a project Select Project Navigator Highlight project name Single click on project name For Xcode 3: Open a project > Menu > Project > Rename ... ...
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What does git rev-parse do?

... in plumbing commands as short for "revision" and generally meaning the 40-character SHA1 hash for a commit. The command rev-list for example prints a list of 40-char commit hashes for a branch or whatever. In this case the name might be expanded to parse-a-commitish-to-a-full-SHA1-hash. While the ...
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Copying the GNU screen scrollback buffer to a file (extended hardcopy)

...e empty - it won't copy the entire scrollback buffer, just the portion you selected using Ctrl+A [ – Roshan May 5 '11 at 20:33 ...
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Should I use a class or dictionary?

...ould your __init__ code go? Classes are for bundling related data (and usually code). Dictionaries are for storing key-value relationships, where usually the keys are all of the same type, and all the values are also of one type. Occasionally they can be useful for bundling data when the key/attri...