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Difference between dispatch_async and dispatch_sync on serial queue?
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my question is why not we didn't do it like the normal way? printf("1");printf("2") ;printf("3") ;printf("4") - compared to dispatch_sync
– androniennn
Apr 12 '14 at 11:31
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Rails respond_with: how does it work?
...troller::MimeResponds explains how #respond_to works. The original Rails Guides documentation comments for #respond_with and ::respond_to can still be found in the responders gem source code.
Original Answer
The code for the responders is based in a class and a module. MimeResponds which is inc...
What is the point of Lookup?
...ic;
using System.Linq;
using System.Xml;
public class Test
{
static void Main()
{
// Just types covering some different assemblies
Type[] sampleTypes = new[] { typeof(List<>), typeof(string),
typeof(Enumerable), typeof(XmlReader) }...
What are Transient and Volatile Modifiers?
...d make sense in other contexts, so there is some justification for not forbidding it outright.)
The volatile modifier tells the JVM that writes to the field should always be synchronously flushed to memory, and that reads of the field should always read from memory. This means that fields marked a...
Meaning of Choreographer messages in Logcat [duplicate]
...he logcat, that I'm quite sure, I haven't seen before. Does anyone have an idea about this?
5 Answers
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AngularJS ng-if with multiple conditions
....localityTypeRadio = 'City';
});
fessmodule.$inject = ['$scope'];
Demo Fiddle
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Differences between std::make_unique and std::unique_ptr with new
...lve improving runtime efficiency the way using make_shared does (due to avoiding a second allocation, at the cost of potentially higher peak memory usage).
* It is expected that C++17 will include a rule change that means that this is no longer unsafe. See C++ committee papers P0400R0 and P0145R3.
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Do I need a content-type header for HTTP GET requests?
...when it makes sense to include Content-Type and when it does not. Epoc provided information about how the header is used, and drew the conclusion that any reasonable developer would: you "ought to" use a content-type for requests that have payload bodies (mainly PUT and POST) and you probably "ought...
What is the purpose of `text=auto` in `.gitattributes` file?
...to", the path is marked for automatic end-of-line normalization. If Git decides that the content is text, its line endings are normalized to LF on checkin.
What's the default behaviour if it's not enabled?
Unspecified
If the text attribute is unspecified, Git uses the core.autocrlf conf...
What are the rules for the “…” token in the context of variadic templates?
... is used to unpack the template parameter pack if it appears on the right side of an expression (call this expression pattern for a moment), or it's a pack argument if it appears on left side of the name:
...thing // pack : appears as template arguments
thing... // unpack : appears when consumin...