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Why shouldn't I use mysql_* functions in PHP?
...jan Marjanovic will help you to choose.
And a better way is PDO, and I am now writing a simple PDO tutorial.
A simple and short PDO tutorial
Q. First question in my mind was: what is `PDO`?
A. “PDO – PHP Data Objects – is a database access layer providing a uniform method of access to ...
What is the formal difference in Scala between braces and parentheses, and when should they be used?
...+ _) // invalid, A* vararg parameter
However, there’s more you need to know to better grasp these rules.
Increased compile checking with parens
The authors of Spray recommend round parens because they give increased compile checking. This is especially important for DSLs like Spray. By using pa...
How to find the size of localStorage
...n("\n"));
P.S. Snippets are updated according to request in the comment. Now the calculation includes the length of the key itself.
Each length is multiplied by 2 because the char in javascript stores as UTF-16 (occupies 2 bytes)
P.P.S. Should work both in Chrome and Firefox.
...
How can I find the data structure that represents mine layout of Minesweeper in memory?
...t trainers and cheat engines.
Good reverse engineer should first get to know OS, core API functions, program general structure (what is run loop, windows structures, event handling routines), file format (PE). Petzold's classics "Programming Windows" can help (www.amazon.com/exec/obidos/ISBN=15723...
ipython reads wrong python version
...'ll be /usr/local/bin/ipython. Let's look inside:
Edit 9/7/16 -- The file now looks like this:
cat /usr/local/bin/ipython
#!/usr/bin/python
# -*- coding: utf-8 -*-
import re
import sys
from IPython import start_ipython
if __name__ == '__main__':
sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?...
window.close and self.close do not close the window in Chrome
...n I invoke window.close() or self.close() it doesn't close the window. Now there seems to be a belief that in Chrome you can't close by script any window that is not script created. That is patently false but regardless it is supposed to still do it, even if it requires to pop up an alert to con...
Why prefer two's complement over sign-and-magnitude for signed numbers?
... to 4 bits for size). In the two's complement way, they are 0010 and 1111. Now, let's say I want to add them.
Two's complement addition is very simple. You add numbers normally and any carry bit at the end is discarded. So they're added as follows:
0010
+ 1111
=10001
= 0001 (discard the carry)
...
Comma in C/C++ macro
...tructs behind the macro become dependent types, and the typename prefix is now required on the type. You can add it, but type deduction has been broken, so you now have to manually list the type arguments to call the function. I ended up using temple's method of defining a macro for the comma. It mi...
What's the pythonic way to use getters and setters?
...ute
#
@attribute.setter # the property decorates with `.setter` now
def attribute(self, value): # name, e.g. "attribute", is the same
self._attribute = value # the "value" name isn't special
#
@attribute.deleter # decorate with `.deleter`
def attribute(self...
XmlSerializer: remove unnecessary xsi and xsd namespaces
...private XmlSerializerNamespaces _namespaces;
}
That's all to this class. Now, some objected to having an XmlSerializerNamespaces object somewhere within their classes; but as you can see, I neatly tucked it away in the default constructor and exposed a public property to return the namespaces.
No...