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What is 'Pattern Matching' in functional languages?
... `Cons`, we only want the first part; that's the list's head.
head (Cons h _) = h
Since List a values can be of two different kinds, we need to handle each one separately; this is the pattern matching. In head x, if x matches the pattern Nil, then we run the first case; if it matches the pattern ...
.rar, .zip files MIME Type
...function isRarOrZip($file) {
// get the first 7 bytes
$bytes = file_get_contents($file, FALSE, NULL, 0, 7);
$ext = strtolower(substr($file, - 4));
// RAR magic number: Rar!\x1A\x07\x00
// http://en.wikipedia.org/wiki/RAR
if ($ext == '.rar' and bin2hex($bytes) == '526172211a0...
Injecting content into specific sections from a partial view ASP.NET MVC 3 with Razor View Engine
I have this section defined in my _Layout.cshtml
23 Answers
23
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How to prevent a jQuery Ajax request from caching in Internet Explorer?
...
A word of caution: this adds "?_=somenumber" to your URL. Make sure your back end can ignore the "_" in the URL's query parameters.
– user3458
Sep 26 '13 at 19:34
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Python assigning multiple variables to same value? list behavior
...]=1 is actually calling a method on the list object. (It's equivalent to a.__setitem__(0, 1).) So, it's not really rebinding anything at all. It's like calling my_object.set_something(1). Sure, likely the object is rebinding an instance attribute in order to implement this method, but that's not wha...
Why is HttpClient BaseAddress not working?
...out I needed a trailing '/' in my relative path.
i.e.
var result = await _client.GetStringAsync(_awxUrl + "api/v2/inventories/?name=" + inventoryName);
var result = await _client.PostAsJsonAsync(_awxUrl + "api/v2/job_templates/" + templateId+"/launch/" , new {
inventory = invento...
How to refer environment variable in POM.xml?
...operties Guide...
As Seshagiri pointed out in the comments, ${env.VARIABLE_NAME} will do what you want.
I will add a word of warning and say that a pom.xml should completely describe your project so please use environment variables judiciously. If you make your builds dependent on your environment...
Android SDK manager won't open
...? I don't know where is my java\bin, is that C:\Program Files\Java\jdk1.7.0_11\bin ? What "before the windows\system32 directory" means? And what is the point of running "where java" in CMD ?
– Hải Phong
Jan 21 '13 at 1:54
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How to create Java gradle project
...ild init plugin can be found here: gradle.org/docs/current/userguide/build_init_plugin.html
– Paul
Dec 19 '14 at 17:54
...
Getting time elapsed in Objective-C
...er to use Apple's function CACurrentMediaTime!
I also benchmarked the mach_timebase_info call and it takes approximately 19ns on my iPhone 6, so I removed the (not threadsafe) code which was caching the output of that call.
#include <mach/mach.h>
#include <mach/mach_time.h>
uint64_t g...