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Non-static variable cannot be referenced from a static context
...the resources it is holding such as memory during garbage collection.
In order to have an initial entry point for an application, Java has adopted the convention that the Java program must have a class that contains a method with an agreed upon or special name. This special method is called main()...
rsync copy over only certain types of files using include option
...*" --include="*.sh" "$from" "$to"
For rsync version 3.0.6 or higher, the order needs to be modified as follows (see comments):
rsync -zarv --include="*/" --include="*.sh" --exclude="*" "$from" "$to"
Adding the -m flag will avoid creating empty directory structures in the destination. Tested in ...
Why does changing the sum order returns a different result?
Why does changing the sum order returns a different result?
6 Answers
6
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how to calculate binary search complexity
...f size n will not exceed log n.
This is just formal mathematical lingo in order to be able to prove statements, etc. It has a very straightforward explanation. When n grows very large, the log n function will out-grow the time it takes to execute the function. The size of the "input set", n, is jus...
What is a practical use for a closure in JavaScript?
...clude:
Passing parameterised behaviour into an algorithm (classic higher-order programming):
function proximity_sort(arr, midpoint) {
arr.sort(function(a, b) { a -= midpoint; b -= midpoint; return a*a - b*b; });
}
Simulating object oriented programming:
function counter() {
var a = 0;
...
Querying DynamoDB by date
...older then some specific date using scan, but you can't get them in sorted order. GSI won't help you in this case. It's not possible to sort partition key, nor is it possible to query only range key.
– gkiko
Nov 27 '15 at 10:57
...
difference between variables inside and outside of __init__()
...company.com
>>> mycompany.com
You can also use class methods in order to change the class variable for all the instances of the class. For example:
@classmethod
def change_my_companys_name(cls, name):
cls.company = name
and now change_my_companys_name()
bob.change_my_companys_na...
Detecting taps on attributed text in a UITextView in iOS
... the tweak below. Also, I needed the full attribute dictionary returned in order to determine the resulting action. I would have put this in the comments but don't appear to have the rep to do so. Apologies in advance if I have violated protocol.
Specific tweak is to use textView.textStorage inste...
How to manage client-side JavaScript dependencies? [closed]
...cript you can do so by adding
those files to the app/ folder. Note that in order to expose your script via
the 'require' method you must make it a CommonJS module. It is very simple -
see the hem docs.
Local files
If you want to include non-CommonJS non 'require' code you can also stitch that
by r...
How do I hide javascript code in a webpage?
...ipt, it still comes down to the fact that your browser needs to load it in order to use it. Modern browsers have web debugging/analysis tools out of the box that make extracting and viewing scripts trivial (just hit F12 in Chrome, for example).
If you're worried about exposing some kind of trade se...