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Why should we typedef a struct so often in C?
...As Greg Hewgill said, the typedef means you no longer have to write struct all over the place. That not only saves keystrokes, it also can make the code cleaner since it provides a smidgen more abstraction.
Stuff like
typedef struct {
int x, y;
} Point;
Point point_new(int x, int y)
{
Point a...
how do I make a single legend for many subplots with matplotlib?
... multiple subplots with matplotlib. That is, I have 9 plots on a 3x3 grid, all with the same for lines (of course, different values per line).
...
Why use Ruby's attr_accessor, attr_reader and attr_writer?
...write classes which will work correctly no matter how their public API is called.
class Person
attr_accessor :age
...
end
Here, I can see that I may both read and write the age.
class Person
attr_reader :age
...
end
Here, I can see that I may only read the age. Imagine that it is set ...
Does Python support multithreading? Can it speed up execution time?
...
The GIL does not prevent threading. All the GIL does is make sure only one thread is executing Python code at a time; control still switches between threads.
What the GIL prevents then, is making use of more than one CPU core or separate CPUs to run threads in...
How to update a menu item shown in the ActionBar?
...e-writing the desire text worked without problems:
if (mnuTopMenuActionBar_ != null) {
MenuItem mnuPageIndex = mnuTopMenuActionBar_
.findItem(R.id.menu_magazin_pageOfPage_text);
if (mnuPageIndex != null) {
if (getScreenOrientation() == 1) {
mnuPageIndex.setTitle...
Min/Max-value validators in asp.net mvc
...MaxValueAttribute : ValidationAttribute
{
private readonly int _maxValue;
public MaxValueAttribute(int maxValue)
{
_maxValue = maxValue;
}
public override bool IsValid(object value)
{
return (int) value <= _maxValue;
...
How to replace multiple substrings of a string?
...t overengineered? because this way we do it in one pass (=fast), and we do all the replacements at the same time, avoiding clashes like "spamham sha".replace("spam", "eggs").replace("sha","md5") being "eggmd5m md5" instead of "eggsham md5"
– flying sheep
Sep 4 ...
Get the cartesian product of a series of lists?
How can I get the Cartesian product (every possible combination of values) from a group of lists?
13 Answers
...
Finding local IP addresses using Python's stdlib
... This example has an external dependency of being able to actually resolve gmail.com. If you set it to an ip address that is not on your local lan (doesn't matter if it's up or down) it'll work without dependencies and without network traffic.
– grim
...
Remove all multiple spaces in Javascript and replace with single space [duplicate]
How can I automatically replace all instances of multiple spaces, with a single space, in Javascript?
4 Answers
...