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Is there a better Windows Console Window? [closed]
...lopers. It seems like every time I think "well, it would be nice if it did _____", there's an option for it. Major thanks for fixing such a broken console experience in Windows!
– drharris
Jun 19 '12 at 13:51
...
Custom ImageView with drop shadow
...e appropriate padding in XML:
<ImageView
android:id="@+id/image_test"
android:background="@drawable/drop_shadow"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingLeft="6px"
android:paddingTop="4px"
and...
C++ performance challenge: integer to std::string conversion
...
#include <string>
const char digit_pairs[201] = {
"00010203040506070809"
"10111213141516171819"
"20212223242526272829"
"30313233343536373839"
"40414243444546474849"
"50515253545556575859"
"60616263646566676869"
"70717273747576777879"
"808182...
How to get the type of T from a member of a generic class or method?
...ut reflection:
public static Type GetListType<T>(this List<T> _)
{
return typeof(T);
}
Or more general:
public static Type GetEnumeratedType<T>(this IEnumerable<T> _)
{
return typeof(T);
}
Usage:
List<string> list = new List<string> { "a",...
Parse email content from quoted reply
... matched, I try to use the next one.
new Regex("From:\\s*" + Regex.Escape(_mail), RegexOptions.IgnoreCase);
new Regex("<" + Regex.Escape(_mail) + ">", RegexOptions.IgnoreCase);
new Regex(Regex.Escape(_mail) + "\\s+wrote:", RegexOptions.IgnoreCase);
new Regex("\\n.*On.*(\\r\\n)?wrote:\\r\\n", ...
Download File to server from URL
...
Since PHP 5.1.0, file_put_contents() supports writing piece-by-piece by passing a stream-handle as the $data parameter:
file_put_contents("Tmpfile.zip", fopen("http://someurl/file.zip", 'r'));
From the manual:
If data [that is the second a...
How do I write the 'cd' command in a makefile?
...
It is actually executing the command, changing the directory to some_directory, however, this is performed in a sub-process shell, and affects neither make nor the shell you're working from.
If you're looking to perform more tasks within some_directory, you need to add a semi-colon and appen...
What is the difference between map and flatMap and a good use case for each?
...th N.
For example, it maps from two lines into two line-lengths:
rdd.map(_.length).collect
res1: Array[Int] = Array(13, 16)
But flatMap (loosely speaking) transforms an RDD of length N into a collection of N collections, then flattens these into a single RDD of results.
rdd.flatMap(_.spli...
What are C++ functors and their uses?
...eate objects which "look like" a function:
// this is a functor
struct add_x {
add_x(int val) : x(val) {} // Constructor
int operator()(int y) const { return x + y; }
private:
int x;
};
// Now you can use it like this:
add_x add42(42); // create an instance of the functor class
int i = add...
Django template how to look up a dictionary value with a variable
...om django.template.defaulttags import register
...
@register.filter
def get_item(dictionary, key):
return dictionary.get(key)
(I use .get so that if the key is absent, it returns none. If you do dictionary[key] it will raise a KeyError then.)
usage:
{{ mydict|get_item:item.NAME }}
...