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Invalidating JSON Web Tokens
...n, I'm thinking about switching over from a cookie based session approach (by this, I mean, storing an id to a key-value store containing user sessions in a user's browser) to a token-based session approach (no key-value store) using JSON Web Tokens (jwt).
...
Design by contract using assertions or exceptions? [closed]
When programming by contract a function or method first checks whether its preconditions are fulfilled, before starting to work on its responsibilities, right? The two most prominent ways to do these checks are by assert and by exception .
...
Is there an equivalent for var_dump (PHP) in Javascript?
...
I love this method because I only need to type a few bytes. I use it often.
– userBG
Dec 7 '11 at 7:24
...
Why is an MD5 hash created by Python different from one created using echo and md5sum in the shell?
A Python MD5 hash is different than the one created by the md5sum command on the shell. Why?
1 Answer
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jQuery: Return data after ajax call success [duplicate]
...rom functions, but when you finally want to use your data that is returned by the AJAX call, you have to do it like this:
promise.success(function (data) {
alert(data);
});
(See updates below for simplified syntax.)
If your data is available at this point then this function will be invoked imm...
Removing duplicate rows from table in Oracle
...ROM your_table
WHERE rowid not in
(SELECT MIN(rowid)
FROM your_table
GROUP BY column1, column2, column3);
Where column1, column2, and column3 make up the identifying key for each record. You might list all your columns.
sh...
How was the first compiler written?
...nstructions are (generally) a direct mapping to opcodes, which are (multi-)byte values of machine code that can be directly interpreted by the processor. It is quite possible to write a program in opcodes directly by looking them up from a table (such as this one for the 6039 microprocessor, for exa...
Has reCaptcha been cracked / hacked / OCR'd / defeated / broken? [closed]
... CAPTCHA Killer seems to have be killed: it has been violently destroyed by multinational corporations seeking to spread their overlord dominion and eliminate the freedom of creative expression! Such a beautiful killer, such an early death!
– Kiril
Feb 24 '11...
Maven in Eclipse: step by step installation [closed]
...- look for "Maven support")
Way 1: Maven Eclipse plugin installation step by step:
Open Eclipse IDE
Click Help -> Install New Software...
Click Add button at top right corner
At pop up: fill up Name as "M2Eclipse" and Location as "http://download.eclipse.org/technology/m2e/releases"
or
http:/...
SQLiteDatabase.query method
...ing[] whereArgs = new String[] {
"value1",
"value2"
};
String orderBy = "column1";
Cursor c = sqLiteDatabase.query("table1", tableColumns, whereClause, whereArgs,
null, null, orderBy);
// since we have a named column we can do
int idx = c.getColumnIndex("max");
is equivalent to th...