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Checking for a dirty index or untracked files with Git
...e git status and look at the output. But we don't want to rely on specific words showing up, so we use the --porcelain mode introduced in 1.7.0; when enabled, a clean directory results in no output.
Then we use test -n to see if there was any output or not.
This command will return 1 if the workin...
What's the difference of “./configure” option “--build”, “--host” and “--target”?
...ts to host, host to build, and build to the result of config.guess."
In a word, build the code on --build, run it on --host with --target architecture environment.
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Java, Classpath, Classloading => Multiple Versions of the same jar/project
...pends on the classloader policy which is by default Parent First. In other words child class will first ask its parent to load the class and will load only if the entire hierarchy failed to load it, no??
– deckingraj
Nov 20 '13 at 6:22
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AngularJS : How to watch service variables?
...r consuming controller has multiple possible sources of the data; in other words, if you have a MIMO situation (Multiple Input/Multiple Output). If you're just using a one-to-many pattern, you should be using direct object referencing and letting the Angular framework do the two-way binding for you....
What is the reason for performing a double fork when creating a daemon?
...parent the daemon process to init; the daemon's parent must exit. In other words, the parent always exits when forking a proper daemon so that the daemon process is re-parented to init.
So why the double fork? POSIX.1-2008 Section 11.1.3, "The Controlling Terminal", has the answer (emphasis added):...
When I catch an exception, how do I get the type, file, and line number?
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@jouell Hey, I like to use fancy words too sometimes :)
– Rishav
Jan 31 at 15:51
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Shards and replicas in Elasticsearch
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I will explain this using a real word scenarios. Imagine you are a running a ecommerce website. As you become more popular more sellers and products add to your website. You will realize the number of products you might need to index has grown and it is too ...
Is an array name a pointer?
... a). Then we step 3 elements forward, and take whatever is there. In other words: take the element at position 3 in the array. (Which is the fourth element in the array, since the first one is numbered 0.)
So, in summary, array names in a C program are (in most cases) converted to pointers. One exc...
Syntax behind sorted(key=lambda: …)
.... It can only do and return one thing really.
The syntax of lambda is the word lambda followed by the list of parameter names then a single block of code. The parameter list and code block are delineated by colon. This is similar to other constructs in python as well such as while, for, if and so o...
First-time database design: am I overengineering? [closed]
...client belongs to an HR department somewhere, but not which one!
In other words, Clients should be linked to the table that you call Divisions_Has_Departments (but that I would call simply Departments). If this is so, then you must collapse Cities into Divisions as discussed above if you want to u...