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Avoiding if statement inside a for loop?
... is called the strategy pattern.
If you are allowed to use C++11, you can do something like this:
#include <iostream>
#include <set>
#include <vector>
template <typename Container, typename Functor, typename Index = std::size_t>
void for_each_indexed(const Container& c...
How to create a file in a directory in java?
If I want to create a file in C:/a/b/test.txt , can I do something like:
11 Answers
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Calling parent class __init__ with multiple inheritance, what's the right way?
...press.com/2011/05/26/super-considered-super for more detail on what can be done with super.
[Response question as later edited]
So it seems that unless I know/control the init's of the classes I
inherit from (A and B) I cannot make a safe choice for the class I'm
writing (C).
The referenc...
Why does ConcurrentHashMap prevent null keys and values?
The JavaDoc of ConcurrentHashMap says this:
7 Answers
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Programmatically selecting text in an input field on iOS devices (mobile Safari)
How do you programmatically select the text of an input field on iOS devices, e.g. iPhone, iPad running mobile Safari?
10 A...
How do I find out if first character of a string is a number?
...d substring(0, 1) will throw a StringIndexOutOfBoundsException. startsWith does not have this problem.
To make the entire condition one line and avoid length checks, you can alter the regexes to the following:
s.matches("\\d.*")
// or the equivalent
s.matches("[0-9].*")
If the condition does not...
Allowed memory size of 33554432 bytes exhausted (tried to allocate 43148176 bytes) in php
... You still should check why the memory is exhausted. Maybe you don't need to read the whole file, maybe read it sequentially.
– macbirdie
Jan 22 '09 at 10:12
8
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How to find out element position in slice?
How does one determine the position of an element present in slice?
6 Answers
6
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Test for existence of nested JavaScript object key
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You have to do it step by step if you don't want a TypeError because if one of the members is null or undefined, and you try to access a member, an exception will be thrown.
You can either simply catch the exception, or make a function ...
How do I get AWS_ACCESS_KEY_ID for Amazon?
...
Thanks for that Amit but I did that. However I don't want to send actual payments, etc. I wanted to mock all those transactions. That's why I wanted to get the sandbox. Maybe I'm missing something?
– Padraig
Jan 30 '14 at 3:44
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