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Unable to install Maven on Windows: “JAVA_HOME is set to an invalid directory”
...e-maven-2.2.0\bin" is on your command search path.
Make sure that the JAVA_HOME variable refers to the home directory for your Java installation. If you are executing Java from "E:\Sun\SDK\jdk\bin", then the JAVA_HOME variable needs to point to "E:\Sun\SDK\jdk".
NB: JAVA_HOME should NOT end with "...
Draw text in OpenGL ES
...ble bitmap
Bitmap bitmap = Bitmap.createBitmap(256, 256, Bitmap.Config.ARGB_4444);
// get a canvas to paint over the bitmap
Canvas canvas = new Canvas(bitmap);
bitmap.eraseColor(0);
// get a background image from resources
// note the image format must match the bitmap format
Drawable background = ...
Handlebars.js Else If
..."default.gif" alt="default">
{{/if}}
http://handlebarsjs.com/block_helpers.html
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Combining Multiple Commits Into One Prior To Push
...al commits together, you can use git rebase -i. If you're on branch topical_xFeature, you would run git rebase -i master. This will open an editor window, with a bunch of commits listed prefixed by pick. You can change all but the first to squash, which will tell Git to keep all of those changes, bu...
Resolving ambiguous overload on function pointer and std::function for a lambda using +
...in comp.lang.c++.moderated if a closure type could add a typedef for result_type and the other typedefs required to make them adaptable (for instance by std::not1). I was told that it could not because this was observable. I'll try to find the link.
– Cassio Neri
...
How to remove array element in mongodb?
...
Try the following query:
collection.update(
{ _id: id },
{ $pull: { 'contact.phone': { number: '+1786543589455' } } }
);
It will find document with the given _id and remove the phone +1786543589455 from its contact.phone array.
You can use $unset to unset the value ...
How do you include additional files using VS2010 web deployment packages?
...hat.
<Target Name="CustomCollectFiles">
<ItemGroup>
<_CustomFiles Include="..\Extra Files\**\*" />
<FilesForPackagingFromProject Include="%(_CustomFiles.Identity)">
<DestinationRelativePath>Extra Files\%(RecursiveDir)%(Filename)%(Extension)</Destin...
What is the definition of “interface” in object oriented programming
...dom.randint(0,10)
# What you care about
class SecretGame(object):
def __init__(self, number_generator):
number = number_generator.generate()
print number
Here, none of the classes implement an interface. Python does not care about that, because the SecretGame class will just t...
What exactly does @synthesize do?
...then will result in having two ivars, namely someInt plus an autogenerated _someInt variable. Thus self.someInt and someInt will not address the same variables any more. If you don't expect such behavior as I did this might get you some headache to find out.
...
Best way to give a variable a default value (simulate Perl ||, ||= )
...s called the Null coalescing operator. You can use it like this:
$name = $_GET['name'] ?? 'john doe';
This is equivalent to
$name = isset($_GET['name']) ? $_GET['name']:'john doe';
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