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get just the integer from wc in bash
... does, you just pass in the proper parameters that you would anyway. for example, if you do wc -c < file name, it will give you just the integer number of bytes and nothing else.
– BananaNeil
Jan 30 '12 at 21:07
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Can functions be passed as parameters?
...
Yes, consider some of these examples:
package main
import "fmt"
// convert types take an int and return a string value.
type convert func(int) string
// value implements convert, returning x as string.
func value(x int) string {
return fmt.Sprintf...
How can prepared statements protect from SQL injection attacks?
...nd even alter it, as every SQL injection example shows it (all examples in PHP/Mysql):
$expected_data = 1;
$query = "SELECT * FROM users where id=$expected_data";
will produce a regular query
SELECT * FROM users where id=1
while this code
$spoiled_data = "1; DROP TABLE users;"
$query ...
What characters are valid for JavaScript variable names?
...ou an idea of how wrong Anthony Mills' answer is: if you were to summarize all these rules in a single ASCII-only regular expression for JavaScript, it would be 11,236 characters long. Here it is:
// ES5.1 / Unicode 6.1
/^(?!(?:do|if|in|for|let|new|try|var|case|else|enum|eval|false|null|this|true|v...
Difference between $.ajax() and $.get() and $.load()
...s arrays of data to the server (POST request)
$( "#objectID" ).load( "test.php", { "choices[]": [ "Jon", "Susan" ] } );
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How can I check if the current date/time is past a set date/time?
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Since PHP >= 5.2.2 you can use the DateTime class as such:
if (new DateTime() > new DateTime("2010-05-15 16:00:00")) {
# current time is greater than 2010-05-15 16:00:00
# in other words, 2010-05-15 16:00:00 has pass...
Getting the caller function name inside another function in Python? [duplicate]
...on 2 each frame record is a list. The third element in each record is the caller name. What you want is this:
>>> import inspect
>>> def f():
... print inspect.stack()[1][3]
...
>>> def g():
... f()
...
>>> g()
g
For Python 3.5+, each frame record i...
Disable sorting for a particular column in jQuery DataTables
...
This is what you're looking for:
$('#example').dataTable( {
"aoColumnDefs": [
{ 'bSortable': false, 'aTargets': [ 1 ] }
]
});
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Make first letter of a string upper case (with maximum performance)
...hen the ALL CAPS ARGH! is the correct spelling. urbandictionary.com/define.php?term=ARGH&defid=67839
– Carlos Muñoz
May 4 '15 at 17:03
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In pure functional languages, is there an algorithm to get the inverse function?
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In some cases, yes! There's a beautiful paper called Bidirectionalization for Free! which discusses a few cases -- when your function is sufficiently polymorphic -- where it is possible, completely automatically to derive an inverse function. (It also discusses what makes...