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What does @: (at symbol colon) mean in a Makefile?

...nd nothing gets done. For example (from Linux's scripts/Makefile.clean): __clean: $(subdir-ymn) ifneq ($(strip $(__clean-files)),) +$(call cmd,clean) endif ifneq ($(strip $(__clean-dirs)),) +$(call cmd,cleandir) endif ifneq ($(strip $(clean-rule)),) +$(clean-rule) endif @: ...
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Django. Override save for model

... Some thoughts: class Model(model.Model): _image=models.ImageField(upload_to='folder') thumb=models.ImageField(upload_to='folder') description=models.CharField() def set_image(self, val): self._image = val self._image_changed = True ...
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JavaScript OOP in NodeJS: how?

...ld write: var method = Animal.prototype; function Animal(age) { this._age = age; } method.getAge = function() { return this._age; }; module.exports = Animal; To use it in other file: var Animal = require("./animal.js"); var john = new Animal(3); If you want a "sub class" then insid...
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How can I find where I will be redirected using cURL?

... To make cURL follow a redirect, use: curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); Erm... I don't think you're actually executing the curl... Try: curl_exec($ch); ...after setting the options, and before the curl_getinfo() call. EDIT: If you just want to find...
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How to use the C socket API in C++ on z/OS

...nnect() API. When I do that, this is what I see: FORMAT X/Open #define _XOPEN_SOURCE_EXTENDED 1 #include <sys/socket.h> int connect(int socket, const struct sockaddr *address, socklen_t address_len); Berkeley Sockets #define _OE_SOCKETS #include <sys/types.h> #include <sys/soc...
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Preferred method to store PHP arrays (json_encode vs serialize)

...() you need to add extra parameter to keep UTF-8 characters untouched: json_encode($array, JSON_UNESCAPED_UNICODE) (otherwise it converts UTF-8 characters to Unicode escape sequences). JSON will have no memory of what the object's original class was (they are always restored as instances of stdClas...
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How to manually expand a special variable (ex: ~ tilde) in bash

... +1 -- I was needing to expand ~$some_other_user and eval works fine when $HOME will not work because I don't need the current user home. – olivecoder Sep 10 '13 at 11:30 ...
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Configure Flask dev server to be visible across the network

... Add below lines to your project if __name__ == '__main__': app.debug = True app.run(host = '0.0.0.0',port=5005) share | improve this answer ...
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How can I debug git/git-shell related problems?

... For even more verbose output use following: GIT_CURL_VERBOSE=1 GIT_TRACE=1 git pull origin master share | improve this answer | follow ...
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mongodb: insert if not exists

... This is almost what I want ! How can I not touch the insertion_date field if the object is already present ? – LeMiz May 27 '10 at 21:24 28 ...