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What is the difference between g++ and gcc?
...h was once upon a time just the GNU C Compiler).
Even though they automatically determine which backends (cc1 cc1plus ...) to call depending on the file-type, unless overridden with -x language, they have some differences.
The probably most important difference in their defaults is which libraries...
Generating all permutations of a given string
... then find all the permutations of the remaining letters using a recursive call.
The base case is when the input is an empty string the only permutation is the empty string.
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Force Java timezone as GMT/UTC
...@SyBer: That works but you must ensure that you set this before any method calls the TimeZone.getDefault() method. If not you will have some confusion since the default is cached after the first execution. This also means it could be a problem if you do this inside an API/library (hidden from plain ...
Can an Android Toast be longer than Toast.LENGTH_LONG?
...der a Status Bar Notification. Status Bar Notifications can be programmatically canceled when they are no longer relevant.
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What is a higher kinded type in Scala?
...to value arguments to "construct" a value.
Value constructors are usually called "functions" or "methods". These "constructors" are also said to be "polymorphic" (because they can be used to construct "stuff" of varying "shape"), or "abstractions" (since they abstract over what varies between diffe...
Programmatically open Maps app in iOS 6
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The best way to do it is to call new iOS 6 method on MKMapItem openInMapsWithLaunchOptions:launchOptions
Example:
CLLocationCoordinate2D endingCoord = CLLocationCoordinate2DMake(40.446947, -102.047607);
MKPlacemark *endLocation = [[MKPlacemark alloc]...
How to create a windows service from java app
... but "start()" and "stop()" would cause errors. If you can't modify those calls, consider making a bootstrapper class that can massage those calls to fit your needs.
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How to fix “Attempted relative import in non-package” even with __init__.py
... Note: you need to be outside of the directory pkg at the point where you call this line from the CLI. Then, it should work as expected. If you are inside pkg and you call python -m tests.core_test, it will not work. At least it didn't for me.
– Blairg23
Nov 2...
Eclipse “Invalid Project Description” when creating new project from existing source
... Projects into Workspace. Apparently, it wasn't enough for me to just physically put the files in a new workspace, I also had to use this Copy option to have Eclipse recognize that it was there. Solved another problem too of an external .jar being recognized as well.
– Jazzmine...
How much is the overhead of smart pointers compared to normal pointers in C++?
...s a value parameter then it will be at least 10 times slower then a normal call and create lots of codes in the code segment for the stack unwinding. If you pass it by reference you get an additional indirection which can be also pretty worse in terms of performance.
Thats why you should not do th...