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What does the restrict keyword mean in C++?
...oth are the same.
With -O3:
with restrict:
3f0: 48 85 d2 test %rdx,%rdx
3f3: 74 33 je 428 <fr+0x38>
3f5: 55 push %rbp
3f6: 53 push %rbx
3f7: 48 89 f5 mov %rsi,%rbp
3fa: be 04 00 ...
Are list-comprehensions and functional functions faster than “for loops”?
...rm equivalent functions written in Python, they are not necessarily the fastest option. Some speed up is expected if the function is written in C too. But most cases using a lambda (or other Python function), the overhead of repeatedly setting up Python stack frames etc. eats up any savings. Simply ...
TypeScript “this” scoping issue when called in jquery callback
...s and its consumers.
Function.bind
Also as shown:
$(document).ready(thisTest.run.bind(thisTest));
Good/bad: Opposite memory/performance trade-off compared to the first method
Good: No extra work if the function has parameters
Bad: In TypeScript, this currently has no type safety
Bad: Only avai...
How do I create a custom iOS view class and instantiate multiple copies of it (in IB)?
...e your views as a whole from your existing interface to the .xib file.
To test this out I created a new empty .xib named "MyCustomTimerView.xib". Then I added a view, and to that added a label and two buttons. Like So:
I created a new objective-C class subclassing UIView named "MyCustomTimer". I...
Eclipse - no Java (JRE) / (JDK) … no virtual machine
...anywhere on your disk.
I would recommend to always run Eclipse with the lastest JRE possible (to benefit from the latest hotspot evolutions).
You can:
Reference that exact JRE path in your eclipse.ini.
Copy any JRE of your in your <eclipse>/jre directory.
In both cases, no PATH to update.
T...
What is global::?
...e of resolving references to your local root scope names as well.
You can test this by creating top level namespaces and classes in parts of your application then using global:: to see which ones it can access in the global namespace from different parts of your application and which ones it cannot...
Creating a new DOM element from an HTML string using built-in DOM methods or Prototype
...
nice one, modern approach. Tested on Opera, let's forget IE
– Adi Prasetyo
Apr 3 '16 at 17:44
2
...
When to use Tornado, when to use Twisted / Cyclone / GEvent / other [closed]
...ou.
"Functionality"
Out of the box, Twisted includes:
good support for test-driven development of all the following
TCP servers, clients, transport layer security
SSH client and server
IMAP4, ESMTP, POP3 clients and servers
DNS client and server
HTTP client and server
IRC, XMPP, OSCAR, MSN clien...
Why can I add named properties to an array as if it were an object?
... is no way to implement such a property.
var arrName = [];
arrName[5] = "test";
arrName.length; // <- 6
Array are used to store things with an ordinal index - use it like a traditional array, stack, or queue. An object is a hash - use it for data that has a distinct key.
...
What is the effect of extern “C” in C++?
... g++ generated mangled symbols which gcc cannot find.
Example on GitHub.
Tested in Ubuntu 18.04.
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