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What is a “translation unit” in C++
...utable program.
The notion of a translation unit is
most often mentioned in the contexts
of the One Definition Rule, and
templates.
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Query-string encoding of a Javascript Object
...r p in obj)
if (obj.hasOwnProperty(p)) {
str.push(encodeURIComponent(p) + "=" + encodeURIComponent(obj[p]));
}
return str.join("&");
}
console.log(serialize({
foo: "hi there",
bar: "100%"
}));
// foo=hi%20there&bar=100%25
Edit: this one also converts re...
Access Container View Controller from Parent iOS
...ributes inspector in Storyboard. Then have the parent view controller (the one housing the container view) implement a method like this:
- (void) prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
NSString * segueName = segue.identifier;
if ([segueName isEqualToString: @"alertview...
random.seed(): What does it do?
...random.randint()') which generates these values on the basis of this seed. One of the must properties of random numbers is that they should be reproducible. When you put same seed, you get the same pattern of random numbers. This way you are generating them right from the start. You give a different...
Is it smart to replace boost::thread and boost::mutex with c++11 equivalents?
...
One more minor thing that tripped me up: in boost, destructor of a running thread detaches it ( boost.org/doc/libs/1_47_0/doc/html/thread/… ), while in C++, destructor of a running thread calls terminate() (FDIS 30.3.1.3)
...
Manually raising (throwing) an exception in Python
...ktrace (and error value) with sys.exc_info(), but this is way more error prone and has compatibility problems between Python 2 and 3, prefer to use a bare raise to re-raise.
To explain - the sys.exc_info() returns the type, value, and traceback.
type, value, traceback = sys.exc_info()
This is ...
Redis is single-threaded, then how does it do concurrent I/O?
...lients by executing several flows corresponding to those clients with only one computation unit. In this context, parallelism would mean the server is able to perform several things at the same time (with multiple computation units), which is different.
For instance a bartender is able to look afte...
How to calculate a Mod b in Casio fx-991ES calculator
Does anyone know how to calculate a Mod b in Casio fx-991ES Calculator. Thanks
10 Answers
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Android adb “Unable to open sync connection!”
I can run and debug my Android app on my phone just fine, most of the time. Then, seemingly randomly, when I try to run or debug my app from Eclipse, the Console in Eclipse says:
...
How do I show multiple recaptchas on a single page?
I have 2 forms on a single page. One of the forms has a recaptcha displaying all the time. The other should display a recaptcha only after a certain event such as maxing out login attempts. So there are times when I would need 2 recaptchas to appear on the same page. Is this possible? I know I ...