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Is gcc 4.8 or earlier buggy about regular expressions?
I am trying to use std::regex in a C++11 piece of code, but it appears that the support is a bit buggy. An example:
3 Answe...
What is hashCode used for? Is it unique?
I notice there is a getHashCode() method in every controls, items, in WP7, which return a sequence of number. Can I use this hashcode to identify an item? For example I want to identify a picture or a song in the device, and check it whereabout. This could be done if the hashcode given for specifi...
When to use the brace-enclosed initializer?
...1, we have that new syntax for initializing classes which gives us a big number of possibilities how to initialize variables.
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Why always ./configure; make; make install; as 3 separate steps?
Every time you compile something from source, you go through the same 3 steps:
4 Answers
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What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?
... the header of a Bash script, what's the difference between those two statements:
5 Answers
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Secondary axis with twinx(): how to add to legend?
...xes, using twinx() . I also give labels to the lines, and want to show them with legend() , but I only succeed to get the labels of one axis in the legend:
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What are naming conventions for MongoDB?
Is there a set of preferred naming conventions for MongoDB entitites such as databases, collections, field names?
6 Answers...
Difference between Big-O and Little-O Notation
... o(g) is a set.
In Big-O, it is only necessary that you find a particular multiplier k for which the inequality holds beyond some minimum x.
In Little-o, it must be that there is a minimum x after which the inequality holds no matter how small you make k, as long as it is not negative or zero.
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MongoDB Many-to-Many Association
How would you do a many-to-many association with MongoDB?
4 Answers
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Understanding NSRunLoop
...an anyone explain for what is NSRunLoop ? so as I know NSRunLoop is a something connected with NSThread right? So assume I create a Thread like
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