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What is the difference between class and instance methods?
...hod, which returns the total number of instances of a class. Class methods start with a +, while instance ones start with an -.
For example:
static int numberOfPeople = 0;
@interface MNPerson : NSObject {
int age; //instance variable
}
+ (int)population; //class method. Returns how many pe...
What are the most interesting equivalences arising from the Curry-Howard Isomorphism?
...ic" http://www.cs.cmu.edu/~fp/papers/mscs00.pdf - this is a great place to start because it starts from first principles and much of it is aimed to be accessible to non-logicians/language theorists. (I'm the second author though, so I'm biased.)
...
Shorten string without cutting words in JavaScript
...Value[, fromIndex]) takes a second parameter that is the index at which to start searching backwards in the string making things efficient and simple.
// Shorten a string to less than maxLen characters without truncating words.
function shorten(str, maxLen, separator = ' ') {
if (str.length <=...
How do I add a simple jQuery script to WordPress?
...').last().addClass('last');
})
Notice that I use jQuery and not $ at the start of the function.
Ok, now open your theme's functions.php file. You'll want to use the wp_enqueue_script() function so that you can add your script whilst also telling WordPress that it relies on jQuery. Here's how to d...
基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...t。
以新浪微博为例，大致的代码如下：
<?php
session_start();
$request_token_url = 'http://api.t.sina.com.cn/oauth/request_token';
$authorize_url = 'http://api.t.sina.com.cn/oauth/authorize';
$access_token_url = 'http://api.t.sina.com.cn/oauth/access_token';
$oauth...
vim and NERD Tree extension - adding a file
... created file? Use the create option all the time, but 90% of time wish to start editing the file in a new buffer right after creation.
– arcseldon
Jan 27 '18 at 0:02
...
How do I add an existing Solution to GitHub from Visual Studio 2013
...ceed to "Sync" and there you'd find the "Publish to GitHub". Click on "Get Started"
Type title of your repository and description (optionally).
Click on "Publish"
That's all. Visual Studio github plugin automatically created repository for you and configured everything. Now just click on Home an...
How do you access the matched groups in a JavaScript regular expression?
...String);
while (match != null) {
// matched text: match[0]
// match start: match.index
// capturing group n: match[n]
console.log(match[0])
match = myRegexp.exec(myString);
}
Edit: 2019-09-10
As you can see the way to iterate over multiple matches was not very intuitive. Thi...
How do I import the javax.servlet API in my Eclipse project?
...t working for me still getting below error A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/messenger]]
– Maya Mohi...
How to get orientation-dependent height and width of the screen?
...r... It would still be better to do the above 3 steps under the summary. Start messing with UIWindows and you'll find out weird stuff, like showing a UIAlertView will change UIApplication's keywindow to point at a new UIWindow that the UIAlertView created. Who knew? I did after finding a bug rel...