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Mongoimport of json file
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answered Mar 2 '13 at 9:32
Srivatsa NSrivatsa N
2,04333 gold badges1818 silver badges3636 bronze badges
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How to create an array containing 1…N
...want an array of numbers 1..n that you can later loop through.
If this is all you need, can you do this instead?
var foo = new Array(45); // create an empty array with length 45
then when you want to use it... (un-optimized, just for example)
for(var i = 0; i < foo.length; i++){
document.w...
How do I split a string so I can access item x?
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This works but allocates a lot of memory and wastes CPU.
– jjxtra
May 26 '15 at 16:56
2
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When should you not use virtual destructors?
...o not declare a virtual destructor for a class? When should you specifically avoid writing one?
12 Answers
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What are the GCC default include directories?
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There is a command with a shorter output, which allows to automatically cut the include pathes from lines, starting with a single space:
$ echo | gcc -Wp,-v -x c++ - -fsyntax-only
ignoring nonexistent directory "/usr/lib/gcc/x86_64-redhat-linux/4.8.2/include-fixed"
ignori...
How to use a variable for the database name in T-SQL?
...ropriate datatype than VARCHAR(255) also should use QUOTENAME to deal with all possible database names (and possibly to prevent SQL injection depending on source of the name)
– Martin Smith
Nov 14 '13 at 11:03
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Check if object is file-like in Python
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It is generally not good practice to have checks like this in your code at all unless you have special requirements.
In Python the typing is dynamic, why do you feel need to check whether the object is file like, rather than just usin...
Redirecting stdout to “nothing” in python
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A nice way to do this is to create a small context processor that you wrap your prints in. You then just use is in a with-statement to silence all output.
Python 2:
import os
import sys
from contextlib import contextmanager
@contextmanager
def silence_stdout():
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How to get a reference to a module inside the module itself?
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MichaelMichael
8,11433 gold badges3232 silver badges5252 bronze badges
4
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How to select all instances of a variable and edit variable name in Sublime
If I select a variable (not just any string) in my code, all other instances of that variable get a stroke (white outline) around them:
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