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How can I dynamically create a selector at runtime with Objective-C?
...dName:) but what I want to do is create a selector dynamically from an NSString . Is this even possible?
4 Answers
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Jquery mouseenter() vs mouseover()
...
@FredrickGauss - I'm using the + operator to coerce the string returned from el.text() to a number. Did I need to? No. In this case, the next statement that uses n would also coerce it to a number. So, why did I use it? I'm not sure... this was 2 years ago. It's a good habit. It ...
Converting a string to an integer on Android
How do I convert a string into an integer?
13 Answers
13
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How to add Web API to an existing ASP.NET MVC 4 Web Application project?
... // GET api/<controller> : url to use => api/vs
public string Get()
{
return "Hi from web api controller";
}
// GET api/<controller>/5 : url to use => api/vs/5
public string Get(int id)
{
return (id + 1)....
How do you convert a jQuery object into a string?
How do you convert a jQuery object into a string?
12 Answers
12
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Forced naming of parameters in Python
...ed.
Cons:
Checking occurs during run-time, not compile-time.
Use of an extra parameter (though not argument) and an additional check. Small performance degradation respect to regular functions.
Functionality is a hack without direct support by the language (see note below).
When calling the fun...
fastest MD5 Implementation in JavaScript
...mple interface.
So if you want to calculate the MD5 hash of your password string then do as follows:
<script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.9-1/core.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.9-1/md5.js"></script&...
Why malloc+memset is slower than calloc?
...en though it is already filled with zeroes. This is an enormous amount of extra work, and explains why calloc() is faster than malloc() and memset(). If end up using the memory anyway, calloc() is still faster than malloc() and memset() but the difference is not quite so ridiculous.
This doesn'...
Catch a thread's exception in the caller thread in Python
...rns to the main thread immediately when an exception is called
requires no extra user defined classes because it does not need:
an explicit Queue
to add an except else around your work thread
Source:
#!/usr/bin/env python3
import concurrent.futures
import time
def func_that_raises(do_raise)...
Is it good practice to NULL a pointer after deleting it?
...e aren't many deletes in your code to begin with, so the argument that the extra assignment causes clutter doesn't persuade me.
It's often convenient, when debugging, to see the null value rather than a stale pointer.
If this still bothers you, use a smart pointer or a reference instead.
I also se...