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Default string initialization: NULL or Empty? [closed]
...ault value or represents no value. This strikes me as odd, with the newly added nullable types in c# it seems like we are taking strides backwards with strings by not using the NULL to represent 'No Value'.
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How to run Node.js as a background process and never die?
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Shinjitsu
46722 gold badges77 silver badges2121 bronze badges
answered Jan 25 '11 at 17:55
MK.MK.
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Return empty cell from formula in Excel
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brettdj
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answered Jul 13 '09 at 18:08
J.T. GrimesJ.T. Grimes
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What is the purpose of using -pedantic in GCC/G++ compiler?
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WazeryWazery
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3
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Apache: “AuthType not set!” 500 Error
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StefanStefan
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1
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How to combine two or more querysets in a Django view?
... querysets anyway (e.g. because the result needs to be sorted), this won't add further cost.
from itertools import chain
result_list = list(chain(page_list, article_list, post_list))
Using itertools.chain is faster than looping each list and appending elements one by one, since itertools is imple...
how to customize `show processlist` in mysql?
...ER BY in any way you like.
The INFORMATION_SCHEMA.PROCESSLIST table was added in MySQL 5.1.7. You can find out which version you're using with:
SELECT VERSION()
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Why does C++ not allow inherited friendship?
... and reflexivity being forbidden for obvious reasons (I say this only to head off simple FAQ quote answers), but the lack of something along the lines of virtual friend class Foo; puzzles me. Does anyone know the historical background behind this decision? Was friendship really just a limited ha...
onIabPurchaseFinished never called.
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Try adding this to the Activity that calls mHelper.launchPurchaseFlow(..):
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
Log.d(TAG, "onActivityResult(" + requestCode + "," + re...
How to construct a set out of list items in python?
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If you want to do it iteratively:
s = set()
for item in iterable:
s.add(item)
But there's rarely a need to do it this way. I only mention it because the set.add method is quite useful.
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