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How to sort an array of objects by multiple fields?
...
Original function:
var sort_by = function() {
var fields = [].slice.call(arguments),
n_fields = fields.length;
return function(A,B) {
var a, b, field, key, primer, reverse, result, i;
for(i = 0; i < n_fields; i++) {
result = 0;
field = fields[...
How to negate the whole regex?
...
How do I convert CamelCase into human-readable names in Java?
Regex for all strings not containing a string?
A regex to match a substring that isn’t followed by a certain other substring.
More examples
These are attempts to come up with regex solutions to toy problems as exercises; they shou...
How to do this using jQuery - document.getElementById(“selectlist”).value
...
$('#selectlist').get(0); //get the DOM object in the jQuery collection at index 0
$('#selectlist')[0]; //get the DOM objects in the jQuery collection at index 0
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CASCADE DELETE just once
...ger primary key);
NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "a_pkey" for table "a"
CREATE TABLE
testing=# create table b (id integer references a);
CREATE TABLE
-- put some data in the table
testing=# insert into a values(1);
INSERT 0 1
testing=# insert into a values(2);
INSERT...
How to pick an image from gallery (SD Card) for my app?
...ull, null, null);
cursor.moveToFirst();
int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
String filePath = cursor.getString(columnIndex);
cursor.close();
Bitmap yourSelectedImage = BitmapFactory.decodeFile(filePath);
}...
Get parts of a NSURL in objective-c
...nt is the protocol, the host and the first path component. (The element at index 0 in the array returned by -[NSString pathComponents] is simply "/", so you'll want the element at index 1. The other slashes are discarded.)
s...
How do I get the name of captured groups in a C# Regex?
...onsole.WriteLine("Group: {0}, Value: {1}", regex.GroupNameFromNumber(group.Index), group.Value);
}
http://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex.groupnamefromnumber.aspx
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Join vs. sub-query
...y when it thinks one is faster than the other. It all depends on the data, indexes, correlation, amount of data, query, etc.
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Quick Way to Implement Dictionary in C
...n;
int cap;
dict_entry_s *entry;
} dict_s, *dict_t;
int dict_find_index(dict_t dict, const char *key) {
for (int i = 0; i < dict->len; i++) {
if (!strcmp(dict->entry[i], key)) {
return i;
}
}
return -1;
}
int dict_find(dict_t dict, const cha...
How to redirect from OnActionExecuting in Base Controller?
...eValueDictionary
{
{"controller", "Home"},
{"action", "Index"}
}
);
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