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Is there a perfect algorithm for chess? [closed]
...around 10^46.
The complete chess search tree (Shannon number) is around 10^123, based on an average branching factor of 35 and an average game length of 80.
For comparison, the number of atoms in the observable universe is commonly estimated to be around 10^80.
All endgames of 6 pieces or less have...
What are rvalues, lvalues, xvalues, glvalues, and prvalues?
...s?
We still have the terms lvalue and rvalue that are compatible with C++98. We just divided the rvalues into two subgroups, xvalues and prvalues, and we refer to lvalues and xvalues as glvalues. Xvalues are a new kind of value category for unnamed rvalue references. Every expression is one of the...
How do you sign a Certificate Signing Request with your Certification Authority?
...:81:
...
76:6a:22:0a:41:45:1f:e2:d6:e4:8f:a1:ca:de:e5:69:98:88:
a9:63:d0:a7
Next, you have to sign it with your CA.
You are almost ready to sign the server's certificate by your CA. The CA's openssl-ca.cnf needs two more sections before issuing the command.
First, op...
String formatting in Python 3
...nce at 0x00BF7260>'
"games: {:>3}".format(player1.games) # 'games: 123'
"games: {:>3}".format(player2.games) # 'games: 4'
"games: {:0>3}".format(player2.games) # 'games: 004'
Note: As others pointed out, the new format does not supersede the former, both are available both in Py...
Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])
...answered Jan 19 '12 at 5:17
user123444555621user123444555621
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What is a CSRF token ? What is its importance and how does it work?
...method="POST">
<input type="hidden" name="csrf-token" value="nc98P987bcpncYhoadjoiydc9ajDlcn">
<input type="text" name="tweet">
<input type="submit">
</form>
When the user submits the form, the server simply has to compare the value of the post...
Reflecting parameter name: abuse of C# lambda expressions or syntax brilliance?
...more flexible:
.Attributes(new { style = "width:100%", @class="foo", blip=123 });
This is a pattern used in much of ASP.NET MVC (for example), and has other uses (a caveat, note also Ayende's thoughts if the name is a magic value rather than caller-specific)
...
How to check if an object is a list or tuple (but not string)?
...
123
H = "Hello"
if type(H) is list or type(H) is tuple:
## Do Something.
else
## Do Somet...
Nginx缓存解决方案：SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术
...效了？试试下面的命令：
shell> curl -v "http://foo.com/test?x=123&y=abc"
< X-SRCache-Fetch-Status: HIT
< X-SRCache-Store-Status: BYPASS
目前我主要用srcache来缓存一些接口的json结果集，这些接口同时也支持jsonp，也就是客户端传递一个callback参数之...
Best way to organize jQuery/JavaScript code (2013) [closed]
...
98
I'll go over some simple things that may, or may not, help you. Some might be obvious, some mig...