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How to use background thread in swift?
...o Very elegant, is it possible to add a completion handler to when 4 async calls all finish? I know its a bit off-topic.
– eonist
Feb 28 '17 at 11:16
1
...
How can I scale the content of an iframe?
... on Opera and Safari if you change the CSS to:
<style>
#wrap { width: 600px; height: 390px; padding: 0; overflow: hidden; }
#frame { width: 800px; height: 520px; border: 1px solid black; }
#frame {
-ms-zoom: 0.75;
-moz-transform: scale(0.75);
-moz-transform...
Difference between `constexpr` and `const`
...ization.
constexpr declares an object as fit for use in what the Standard calls constant expressions. But note that constexpr is not the only way to do this.
When applied to functions the basic difference is this:
const can only be used for non-static member functions, not functions in general. ...
Why do most fields (class members) in Android tutorial start with `m`?
...
This notation comes from AOSP (Android Open Source Project) Code Style Guidelines for Contributors:
Follow Field Naming Conventions
Non-public, non-static field names
start with m.
Static field names start with s.
Other fields start with a low...
Shall we always use [unowned self] inside closure in Swift
...f in order to make sure that it is still around by the time the closure is called.
Example: Making an asynchronous network request
If you are making an asynchronous network request you do want the closure to retain self for when the request finishes. That object may have otherwise been deallocated...
Why doesn't ruby support method overloading?
...); end; # second argument has a default value
method(10)
# Now the method call can match the first one as well as the second one,
# so here is the problem.
So ruby needs to maintain one method in the method look up chain with a unique name.
...
What could cause java.lang.reflect.InvocationTargetException?
...
You've added an extra level of abstraction by calling the method with reflection. The reflection layer wraps any exception in an InvocationTargetException, which lets you tell the difference between an exception actually caused by a failure in the reflection call (maybe ...
What's the difference between “STL” and “C++ Standard Library”?
... before C++ was standardised. C++ existed through the 80s, but what we now call "C++" is the language standardised in ISO/IEC 14882:2014 (and earlier versions, such as ISO/IEC 14882:2011).
The STL was already widely used as a library for C++, giving programmers access to containers, iterators and a...
Git Blame Commit Statistics
...racked you can use
git ls-tree --name-only -r HEAD
This solution avoids calling file to determine the filetype and uses grep to match the wanted extension for performance reasons. If all files should be included, just remove this from the line.
grep -E '\.(cc|h|cpp|hpp|c)$' # for C/C++ files
gre...
Oracle JDBC ojdbc6 Jar as a Maven Dependency
... to your local repository.
Maven syntax:
<dependency>
<groupId>com.oracle</groupId>
<artifactId>ojdbc6</artifactId>
<version>11.2.0.3</version>
</dependency>
...
<repositories>
<repository>
<id>codelds</id&...