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What is the best algorithm for overriding GetHashCode?
...should prevent your equality-sensitive (and thus hashcode-sensitive) state from changing after adding it to a collection that depends on the hash code.
As per the documentation:
You can override GetHashCode for immutable reference types. In general, for mutable reference types, you should overr...
Get first day of week in PHP?
...= date('m-d-Y', strtotime('+'.(6-$day).' days'));
$day contains a number from 0 to 6 representing the day of the week (Sunday = 0, Monday = 1, etc.).
$week_start contains the date for Sunday of the current week as mm-dd-yyyy.
$week_end contains the date for the Saturday of the current week as mm-d...
How to install GCC piece by piece with GMP, MPFR, MPC, ELF, without shared libraries?
...(Thanks Paul in comments)
You could run ./contrib/download_prerequisites from the gcc source directory. (Thanks to N7P on reddit)
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What is the theoretical maximum number of open TCP connections that a modern Linux box can have
Assuming infinite performance from hardware, can a Linux box support >65536 open TCP connections?
3 Answers
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Get the IP address of the remote host
...ch contains ServerVariables property which can provide us the IP address from REMOTE_ADDR property value.
5 Answers
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HTML5 Pre-resize images before uploading
...rough most of the process. For reference here's the assembled source code from the blog post:
// from an input element
var filesToUpload = input.files;
var file = filesToUpload[0];
var img = document.createElement("img");
var reader = new FileReader();
reader.onload = function(e) {img.src = e.t...
How can I reset a react component including all transitively reachable state?
...by render; when it changes, that component will be thrown away and created from scratch.
render: function() {
// ...
return <div key={uniqueId}>
{children}
</div>;
}
There's no shortcut to reset the individual component's local state.
...
No module named pkg_resources
... Then I used easy_install pip to get pip working again. My problem arose from Cygwin upgrading Python from 2.6 to 2.7 behind my back while installing something unrelated.
– Steve Pitchers
Mar 21 '13 at 9:27
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How to serialize a TimeSpan to XML
...omFormatter does not provide methods to convert TimeSpan objects to and from XML.
12 Answers
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UITableView - change section header color
...
Hopefully this method from the UITableViewDelegate protocol will get you started:
Objective-C:
- (UIView *) tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section
{
UIView *headerView = [[[UIView alloc] initWithFrame:CGR...