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SHA1 vs md5 vs SHA256: which to use for a PHP login?
...
This is really misinformed. Of course securely hashing passwords in the database doesn't improve security at an application level or database level. It's not a catch all for security. You want to securely hash user password in your database fo...
Sort JavaScript object by key
... this point, and vocabulary changes over time; second, "This memo provides information for the Internet community. It does not specify an Internet standard of any kind." Whether a given sequence of characters represents a JavaScript object literal or a JSON text depends on context/usage. The term "J...
In Firebase, is there a way to get the number of children of a node without loading all the node dat
...nction (current_value) {
return (current_value || 0) + 1;
});
For more info, see https://www.firebase.com/docs/transactions.html
UPDATE:
Firebase recently released Cloud Functions. With Cloud Functions, you don't need to create your own Server. You can simply write JavaScript functions and uplo...
What's the difference between passing by reference vs. passing by value?
...iven to you, and so now it is effectively your piece of paper. You are now free to scribble on that piece of paper, or use that piece of paper to find something somewhere else and fiddle with it, whatever.
Call by reference is when I give you my notebook which has something written down in it. You m...
What does “fragment” mean in ANTLR?
...ct Concepts:
Case1: ( if I need the RULE1, RULE2, RULE3 entities or group info )
rule0 : RULE1 | RULE2 | RULE3 ;
RULE1 : [A-C]+ ;
RULE2 : [DEF]+ ;
RULE3 : ('G'|'H'|'I')+ ;
Case2: ( if I don't care RULE1, RULE2, RULE3, I just focus on RULE0 )
RULE0 : [A-C]+ | [DEF]+ | ('G'|'H'|'I')+ ;
// RULE...
How to get UTF-8 working in Java webapps?
...it still didn't work because of this. Just thought I would pass along this info, in case anyone else has a similar problem.
– testing123
Dec 7 '11 at 15:33
...
How do I get Windows to go as fast as Linux for compiling C++?
...
This doesn't seem to have a lot of technical information. Mostly circumstancial. I think the only way we'll get real technical info is by looking at the differences between the two compilers, build systems, etc etc.
– surfasb
Dec ...
What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?
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@KeithThompson : Incorrect info.. You can pass options to the underlying interpreter using /usr/bin/env!
– Gaurav Agarwal
May 30 '14 at 9:23
...
How to declare global variables in Android?
...plication context.
As you know, each Activity is also a Context, which is information about its execution environment in the broadest sense. Your application also has a context, and Android guarantees that it will exist as a single instance across your application.
The way to do this is to create ...
How to read a (static) file from inside a Python package?
...ources-example
See https://github.com/wimglenn/resources-example for more info.
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