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Proper stack and heap usage in C++?
...hat declared it, you must allocate it on the heap.
class Thingy;
Thingy* foo( )
{
int a; // this int lives on the stack
Thingy B; // this thingy lives on the stack and will be deleted when we return from foo
Thingy *pointerToB = &B; // this points to an address on the stack
Thingy *po...
Dependency Inject (DI) “friendly” library
... {
this.dep = dependency;
return this;
}
public Foo CreateFoo()
{
return new Foo(this.dep);
}
}
This would allow a user to create a default Foo by writing
var foo = new MyFacade().CreateFoo();
It would, however, be very discoverable that it's possible ...
Is there a way to 'pretty' print MongoDB shell output to a file?
...ut to a file. So, if your find command is in find.js and your database is foo, it would look like this:
./mongo foo find.js >> out.json
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Removing duplicate objects with Underscore for Javascript
...{id: 1, content: 'heeey'},
{id: 2, content: 'woah'},
{id: 1, content:'foo'},
{id: 1, content: 'heeey'},
];
var uniques = _.map(_.groupBy(res,function(doc){
return doc.id;
}),function(grouped){
return grouped[0];
});
//uniques
//[{id: 1, content: 'heeey'},{id: 2, content: 'woah'}]
...
How to merge remote changes at GitHub?
...e is also up-to-date before trying to "git push" again:
Switch to branch "foo" and update it:
$ git checkout foo
$ git pull
You can see the branches you've got by issuing command:
$ git branch
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Reintegrate can only be used if revisions X through Y were previously merged from to reintegra
...reintegrate source, but this is not the case:
trunk/proj/src/main/java/com/foo/furniture.java
Missing ranges: /trunk/proj/src/main/java/com/foo/furniture.java:18765-18920
To find the files with mergeinfo information you can do:
cd ~/svn/branches/2.7
svn propget -R svn:mergeinfo .
Then you can r...
How to print out more than 20 items (documents) in MongoDB's shell?
...
Could always do:
db.foo.find().forEach(function(f){print(tojson(f, '', true));});
To get that compact view.
Also, I find it very useful to limit the fields returned by the find so:
db.foo.find({},{name:1}).forEach(function(f){print(tojson(f,...
How to set environment variable or system property in spring tests?
...WarSpringContext {
static {
System.setProperty("myproperty", "foo");
}
}
The static initializer code will be executed before the spring application context is initialized.
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jQuery animate backgroundColor
...l modern browsers, even IE). With Compass and SASS this is quickly done:
#foo {background:red; @include transition(background 1s)}
#foo:hover {background:yellow}
Pure CSS:
#foo {
background:red;
-webkit-transition:background 1s;
-moz-transition:background 1s;
-o-transition:background 1s;
transit...
Should I use static_cast or reinterpret_cast when casting a void* to whatever
...nce is based on code literacy like this:
void* data = something;
MyClass* foo = reinterpret_cast<MyClass*>(data);
foo->bar();
or
typedef void* hMyClass; //typedef as a handle or reference
hMyClass = something;
const MyClass& foo = static_cast<MyClass&>(*hMyClass);
foo.bar(...