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How can I call a custom Django manage.py command directly from a test driver?
...ss. It helps to abstract from "command execution stuff" and write test without additional requirements.
But if you by some reason cannot decouple logic form command you can call it from any code using call_command method like this:
from django.core.management import call_command
call_command('my_...
Node.js vs .Net performance
I've read a lot about Node.js being fast and able to accommodate large amounts of load. Does anyone have any real world evidence of this vs other frameworks, particularly .Net? Most of the articles i've read are anecdotal or don't have comparisons to .Net.
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What is this: [Ljava.lang.Object;?
...is the last on that list. Here are some examples:
// xxxxx varies
System.out.println(new int[0][0][7]); // [[[I@xxxxx
System.out.println(new String[4][2]); // [[Ljava.lang.String;@xxxxx
System.out.println(new boolean[256]); // [Z@xxxxx
The reason why the toString() method on arrays returns Strin...
Converting double to string
...his: 3.4875546345347673E-6. There are several ways to have more control of output string format.
double num = 0.000074635638;
// use Double.toString()
System.out.println(Double.toString(num));
// result: 7.4635638E-5
// use String.format
System.out.println(String.format ("%f", num));
// result: 0...
How do I check out a specific version of a submodule using 'git submodule'?
How would I go about adding a Git submodule for a specific tag or commit?
2 Answers
2
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What is the “continue” keyword and how does it work in Java?
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A continue statement without a label will re-execute from the condition the innermost while or do loop, and from the update expression of the innermost for loop. It is often used to early-terminate a loop's processing and thereby avoid deeply-neste...
How do you do a ‘Pause’ with PowerShell 2.0?
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cmd /c pause | out-null
(It is not the PowerShell way, but it's so much more elegant.)
Save trees. Use one-liners.
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List files recursively in Linux CLI with path relative to the current directory
...ystems that use GNU find, like most GNU/Linux distributions, you can leave out the -print.
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Difference between scaling horizontally and vertically for databases [closed]
...core support.
You can read more on this subject in my earlier posts:
Scale-out vs Scale-up and The Common Principles Behind the NOSQL Alternatives
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How can I use pointers in Java?
...ng the object that it points to.
The Java system will throw an exception (OutOfMemoryError) when you call new and the allocator cannot allocate the requested cell. This is very rare and usually results from run-away recursion.
Note that, from a language point of view, abandoning objects to the gar...