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git - Your branch is ahead of 'origin/master' by 1 commit

...ur changes for committing git commit - this commits your staged changes locally git push - this pushes your committed changes to a remote If you push without committing, nothing gets pushed. If you commit without adding, nothing gets committed. If you add without committing, nothing at all happens...
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Grep not as a regular expression

...as grep -F. Direct invocation as fgrep is deprecated, but is provided to allow historical applications that rely on them to run unmodified. For the complete reference, check: https://www.gnu.org/savannah-checkouts/gnu/grep/manual/grep.html ...
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What is the fastest method for selecting descendant elements in jQuery?

...ce is that method 1 needs to parse the scope passed and translate it to a call to $parent.find(".child").show();. Method 4 and Method 5 both need to parse the selector and then just call: $('#parent').children().filter('.child') and $('#parent').filter('.child') respectively. So method 3 will alw...
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Do I need to disable NSLog before release Application?

... get debug messages. When you're ready to release a beta or final release, all those DLog lines automatically become empty and nothing gets emitted. This way there's no manual setting of variables or commenting of NSLogs required. Picking your build target takes care of it. ...
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Shards and replicas in Elasticsearch

...e need to create an index. When you create an index (an index is automatically created when you index the first document as well) you can define how many shards it will be composed of. If you don't specify a number it will have the default number of shards: 5 primaries. What does it mean? It mean...
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Why does Unicorn need to be deployed together with Nginx?

... application servers. They also know how to handle caching and are good at allowing concurrent file downloads while still taking in traffic and passing it to the application servers. – Pratik Jan 5 '12 at 9:28 ...
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iOS: Use a boolean in NSUserDefaults

... There is a method in NSUserDefaults called registerDefaults:. You use this method to set your application's "default defaults." Basically, you create an NSDictionary containing your default keys and values (in your case a NO for a "saved credentials" key), and ...
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Android JSONObject - How can I loop through a flat JSON object to get each key and value

... Use the keys() iterator to iterate over all the properties, and call get() for each. Iterator<String> iter = json.keys(); while (iter.hasNext()) { String key = iter.next(); try { Object value = json.get(key); } catch (JSONException e) { ...
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Are PostgreSQL column names case-sensitive?

... All identifiers (including column names) that are not double-quoted are folded to lower case in PostgreSQL. Column names that were created with double-quotes and thereby retained upper-case letters (and/or other syntax violat...
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Define static method in source-file with declaration in header-file in C++

...Probably the best course of action is "do it as std lib does it". That is: All inline, all in headers. // in the header namespase my_namespace { class my_standard_named_class final { public: static void standard_declared_defined_method () { // even the comment is standard ...