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How do I make and use a Queue in Objective-C?
...ay (QueueAdditions)
// Queues are first-in-first-out, so we remove objects from the head
- (id) dequeue {
// if ([self count] == 0) return nil; // to avoid raising exception (Quinn)
id headObject = [self objectAtIndex:0];
if (headObject != nil) {
[[headObject retain] autorelease]...
What is the simplest and most robust way to get the user's current location on Android?
... example, may not be enough for GPS so you can enlarge it.
If I get update from location listener I use the provided value. I stop listeners and timer.
If I don't get any updates and timer elapses I have to use last known values.
I grab last known values from available providers and choose the most ...
Download JSON object as a file from browser
... clicking since I want to trigger the download automatically at some point from js.
JS solution (no HTML required):
function downloadObjectAsJson(exportObj, exportName){
var dataStr = "data:text/json;charset=utf-8," + encodeURIComponent(JSON.stringify(exportObj));
var downloadAnchorNode ...
How to get RGB values from UIColor?
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If someone finding problem on how to get values from colors, you can write something like, CGFloat red = colors[0];
– Hemang
Jul 2 '14 at 9:49
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Log all requests from the python-requests module
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@TD_Nijboer: see How do I disable log messages from the Requests library?
– Martijn Pieters♦
Aug 11 '16 at 13:46
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What is Bit Masking?
...; value;
}
Here is a fairly common use-case: Extracting individual bytes from a larger word. We define the high-order bits in the word as the first byte. We use two operators for this, &, and >> (shift right). This is how we can extract the four bytes from a 32-bit integer:
void more_...
Convert dmesg timestamp to custom date format
... the -T command line option of dmesg and parse the human readable format.
From the man page:
-T, --ctime
Print human readable timestamps. The timestamp could be inaccurate!
The time source used for the logs is not updated after system SUSPEND/RESUME.
...
Set cURL to use local virtual hosts
...e host name and 127.0.0.1 is the target IP address.
(If you're using curl from a library and not on the command line, make sure you don't put http:// in the Host header.)
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Compress files while reading data from STDIN
...s it possible to compress (create a compressed archive) data while reading from stdin on Linux?
3 Answers
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Remove file from the repository but keep it locally
... Will this result in (files in) the directory being removed when he pulls from the remote?
– bstpierre
Aug 12 '10 at 16:24
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