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How can I get a precise time, for example in milliseconds in Objective-C?
...meInterval is in seconds, but it uses the double to give you greater precision.
In order to calculate millisecond time accuracy, you can do:
// Get a current time for where you want to start measuring from
NSDate *date = [NSDate date];
// do work...
// Find elapsed time and convert to millisecon...
Best introduction to C++ template metaprogramming? [closed]
...dern C++ Design by Andrei Alexandrescu, ISBN-13: 9780201704310. This book mixes a bit of metaprogramming with other template techniques. For metaprogramming in particular, see sections 2.1 "Compile-Time Assertions", 2.4 "Mapping Integral Constants to Types", 2.6 "Type Selection", 2.7 "Detecting Co...
How to Deal with Temporary NSManagedObject instances?
...OTE: This answer is very old. See comments for full history. My recommendation has since changed and I no longer recommend using unassociated NSManagedObject instances. My current recommendation is to use temporary child NSManagedObjectContext instances.
Original Answer
The easiest way to do this ...
Java EE 6 @javax.annotation.ManagedBean vs. @javax.inject.Named vs. @javax.faces.ManagedBean
...stScoped
public class SomeBean {
....
....
}
JSF beans cannot be mixed with other kinds of beans without some kind of manual coding.
CDI Beans
CDI is the bean management and dependency injection framework that was released as part of Java EE 6 and it includes a complete, comprehensive ma...
When is the thread pool used?
...derstanding of how node works isn't correct... but it's a common misconception, because the reality of the situation is actually fairly complex, and typically boiled down to pithy little phrases like "node is single threaded" that over-simplify things.
For the moment, we'll ignore explicit multi-pr...
How to remove files from git staging area?
...he action of the git add -A.
Note: git reset is equivalent to git reset --mixed which does this
Resets the index but not the working tree (i.e., the changed files are preserved but not marked for commit) and reports what has not been updated. This is the default action. [ git reset ]
...
Reading large text files with streams in C#
...ask of working out how to handle large files being loaded into our application's script editor (it's like VBA for our internal product for quick macros). Most files are about 300-400 KB which is fine loading. But when they go beyond 100 MB the process has a hard time (as you'd expect).
...
PHP equivalent of .NET/Java's toString()
...
You are looking for strval:
string strval ( mixed $var )
Get the string value of a variable.
See the documentation on string for
more information on converting to
string.
This function performs no formatting
on the returned value. If you are
looking for a way to format...
How to access test resources in Scala?
...ME/src/test/resources/, you can access it in a test like so:
import scala.io.Source
// The string argument given to getResource is a path relative to
// the resources directory.
val source = Source.fromURL(getClass.getResource("/data.xml"))
Of course that source is now just a normal Scala IO obj...
How do I create directory if it doesn't exist to create a file?
... to the file.
....Or, If it exists, then create (else do nothing)
System.IO.FileInfo file = new System.IO.FileInfo(filePath);
file.Directory.Create(); // If the directory already exists, this method does nothing.
System.IO.File.WriteAllText(file.FullName, content);
...