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How do I access properties of a javascript object if I don't know the names?
...ect.keys and Array#forEach which makes this a little easier:
var data = { foo: 'bar', baz: 'quux' };
Object.keys(data); // ['foo', 'baz']
Object.keys(data).map(function(key){ return data[key] }) // ['bar', 'quux']
Object.keys(data).forEach(function (key) {
// do something with data[key]
});
ES...
Appending the same string to a list of strings in Python
...ng of "s". like so list2 = ["mystring" + s for s in mylist] = list2 = ['barfoo', 'barfob', 'barfaz', 'barfunk']
– Paul Tuckett
May 14 '19 at 20:53
1
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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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