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C# - What does the Assert() method do? Is it still useful?
...maintenance. Assertions are normally compiled into the code at
development time and compiled out of the code for production. During
development, assertions flush out contradictory assumptions,
unexpected conditions, bad values passed to routines, and so on.
During production, they are compiled out o...
How to parse a string to an int in C++?
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Other reasons to prefer strtol (and family):
It exhibits much better runtime performance
It introduces less compile-time overhead (the others pull in nearly 20 times more SLOC from headers)
It results in the smallest code size
There is absolutely no good reason to use any other method.
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Please enter a commit message to explain why this merge is necessary, especially if it merges an upd
...le: Vim. Now, don't get me wrong, I love Vim, and while you could set some time aside (like a month) to learn Vim and try to understand why some people think Vim is the greatest editor in existence, there is a quicker way of fixing this problem :-)
The fix is not to memorize cryptic commands, like ...
Web-scraping JavaScript page with Python
...t content before we crawl the page.
As selenium is already mentioned many times in this thread (and how slow it gets sometimes was mentioned also), I will list two other possible solutions.
Solution 1: This is a very nice tutorial on how to use Scrapy to crawl javascript generated content and we...
整合phpcms v9和discuz X3.2实现同步登陆、退出免激活 - 更多技术 - 清泛网...
... PSDo OUR BUS UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"');
$cookietime = 31536000;
$uid = intval($get['uid']);
$query = DB::query("SELECT uid, username, password FROM ".DB::table('common_member')." WHERE uid='$uid'");
if ($member = DB::fetch($query))
{
dsetcookie('auth', authcode...
Favorite Django Tips & Features?
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This is such a good idea that I still have a hard time understanding why it's not default. How many folks test and deploy on the same machine?
– SingleNegationElimination
Feb 19 '09 at 18:37
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DISTINCT for only one column
...orks on the entire row. I want to do like you suggest above, but for every time the email is duplicated in the results (not just once).
– Jonathan Wood
Feb 16 '11 at 20:37
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Output to the same line overwriting previous output?
... documentation and the curses module HOWTO.
Really basic example:
import time
import curses
stdscr = curses.initscr()
stdscr.addstr(0, 0, "Hello")
stdscr.refresh()
time.sleep(1)
stdscr.addstr(0, 0, "World! (with curses)")
stdscr.refresh()
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Why shouldn't all functions be async by default?
... 2 + 2 are referentially transparent; you can do the evaluation at compile time if you want, or defer it until runtime and get the same answer. But an expression like x+y can't be moved around in time because x and y might be changing over time.
Async makes it much harder to reason about when a si...
Count number of occurrences of a given substring in a string
How can I count the number of times a given substring is present within a string in Python?
35 Answers
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