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nodejs get file name from absolute path?
... extension from filename, you can use
https://nodejs.org/api/path.html#path_path_basename_path_ext
path.basename('/foo/bar/baz/asdf/quux.html', '.html');
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How do you query for “is not null” in Mongo?
...
db.collection_name.find({"filed_name":{$exists:true}});
fetch documents that contain this filed_name even it is null.
My proposition:
db.collection_name.find({"field_name":{$type:2}}) //type:2 == String
You can check on the required...
Configure Flask dev server to be visible across the network
...
Add below lines to your project
if __name__ == '__main__':
app.debug = True
app.run(host = '0.0.0.0',port=5005)
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Exploitable PHP functions
...ese function calls are classified as Sinks. When a tainted variable (like $_REQUEST) is passed to a sink function, then you have a vulnerability. Programs like RATS and RIPS use grep like functionality to identify all sinks in an application. This means that programmers should take extra care when...
How to pick just one item from a generator?
...ption if necessary, or use the default argument to next():
next(g, default_value)
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How can I implement a tree in Python?
...s easy to create. For example, a binary tree might be:
class Tree:
def __init__(self):
self.left = None
self.right = None
self.data = None
You can use it like this:
root = Tree()
root.data = "root"
root.left = Tree()
root.left.data = "left"
root.right = Tree()
root.right...
Understanding slice notation
...asic sequences don't support them.
>>> class slicee:
... def __getitem__(self, item):
... return repr(item)
...
>>> slicee()[0, 1:2, ::5, ...]
'(0, slice(1, 2, None), slice(None, None, 5), Ellipsis)'
...
Mongoose populate after save
...l's populate function to do this: http://mongoosejs.com/docs/api.html#model_Model.populate In the save handler for book, instead of:
book._creator = user;
you'd do something like:
Book.populate(book, {path:"_creator"}, function(err, book) { ... });
Probably too late an answer to help you, but...
get and set in TypeScript
...etter/setter syntax that is like ActionScript3.
class foo {
private _bar: boolean = false;
get bar(): boolean {
return this._bar;
}
set bar(value: boolean) {
this._bar = value;
}
}
That will produce this JavaScript, using the ECMAScript 5 Object.definePropert...
What's the difference between console.dir and console.log?
...ole.dir([1,2,3])
* Array[3]
0: 1
1: 2
2: 3
length: 3
* __proto__: Array[0]
concat: function concat() { [native code] }
constructor: function Array() { [native code] }
entries: function entries() { [native code] }
...
DOM objects also exhibit diff...