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What is the argument for printf that formats a long?
...
printf("%ld", ULONG_MAX) outputs the value as -1. Should be printf("%lu", ULONG_MAX) for unsigned long as described by @Blorgbeard below.
– jammus
Nov 12 '11 at 16:03
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Adding a UILabel to a UIToolbar
... Note that if you chose to go this route you must style your label appropriately (label.backgroundColor = [UIColor clearColor], etc). You can also init a UIBarButtonItem to be styled Plain which will give you a similar look
– wisequark
Dec 2 '08 at 18:...
Detecting input change in jQuery?
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Docs for "input" event: whatwg.org/specs/web-apps/current-work/multipage/…
– jackocnr
Oct 14 '13 at 23:28
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Find() vs. Where().FirstOrDefault()
...lt;T>? (Rhetorical question.)
The Where and FirstOrDefault methods are applicable against multiple kinds of sequences, including List<T>, T[], Collection<T>, etc. Any sequence that implements IEnumerable<T> can use these methods. Find is available only for the List<T>. Me...
How do I update Ruby Gems from behind a Proxy (ISA-NTLM)
...e command-line switch but I have been able to do it just by setting my HTTP_PROXY environment variable. (Note that case seems to be important). I have a batch file that has a line like this in it:
SET HTTP_PROXY=http://%USER%:%PASSWORD%@%SERVER%:%PORT%
I set the four referenced variables before I...
Ruby convert Object to Hash
...book"
@price = 15.95
end
end
gift = Gift.new
hash = {}
gift.instance_variables.each {|var| hash[var.to_s.delete("@")] = gift.instance_variable_get(var) }
p hash # => {"name"=>"book", "price"=>15.95}
Alternatively with each_with_object:
gift = Gift.new
hash = gift.instance_variable...
How do I get Gridview to render THEAD?
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I use this in OnRowDataBound event:
protected void GridViewResults_OnRowDataBound(object sender, GridViewRowEventArgs e) {
if (e.Row.RowType == DataControlRowType.Header) {
e.Row.TableSection = TableRowSection.TableHeader;
}
}
...
How do I remove code duplication between similar const and non-const member functions?
...& get() const {
return c;
}
char & get() {
return const_cast<char &>(static_cast<const C &>(*this).get());
}
char c;
};
The two casts and function call may be ugly but it's correct. Meyers has a thorough explanation why.
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How to use a class from one C# project with another C# project
...de import functionA
functionA()
class ClassName(object):
def __init__(object, parameter):
object.parameter = value
The library file or "façade" file containing classes, methods or functions you want to import.
class class1(object):
"""description of class"""
class Cla...
using jquery $.ajax to call a PHP function
...corresponding value should point to the method to invoke, e.g.:
if(isset($_POST['action']) && !empty($_POST['action'])) {
$action = $_POST['action'];
switch($action) {
case 'test' : test();break;
case 'blah' : blah();break;
// ...etc...
}
}
I believe th...