大约有 40,000 项符合查询结果（耗时：0.0472秒） [XML]
How to convert list of key-value tuples into dictionary?
...
32
Have you tried this?
>>> l=[('A',1), ('B',2), ('C',3)]
>>> d=dict(l)
>>...
AttributeError: 'module' object has no attribute 'tests'
... Instead of fearing use of the "death star" can't you juse use the __all__ variable in each file? And specify a list of class names, functions, and variables to export when using from package_name.module import *? I've had good luck with this pattern. I understand it takes a bit more time...
Most efficient way to check for DBNull and then assign to a variable?
...t? myValue = (Convert.IsDBNull(row["column"]) ? null : (int?) Convert.ToInt32(row["column"]));
And yes, the compiler should cache it for you.
share
|
improve this answer
|
...
Simplest two-way encryption using PHP
...ash_equals($a, $b);
}
$nonce = openssl_random_pseudo_bytes(32);
return hash_hmac(self::HASH_ALGO, $a, $nonce) === hash_hmac(self::HASH_ALGO, $b, $nonce);
}
}
Usage Example
$message = 'Ready your ammunition; we attack at dawn.';
$key = hex2bin('000102030405060708090a0b0...
AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
...ot.
– Corey Ogburn
Feb 14 '14 at 15:32
2
If your server returns JSON responses, you can look into...
Limitations of Intel Assembly Syntax Compared to AT&T [closed]
...
answered Jun 9 '09 at 21:32
ZifreZifre
24.4k88 gold badges7878 silver badges102102 bronze badges
...
Why are regular expressions so controversial? [closed]
...another example of a modern grammatical pattern, this one for parsing RFC 5322:
use 5.10.0;
$rfc5322 = qr{
(?(DEFINE)
(?<address> (?&mailbox) | (?&group))
(?<mailbox> (?&name_addr) | (?&addr_spec))
(?<name_addr> (?&...
How to list out all the subviews in a uiviewcontroller in iOS?
...eDescription, per http://developer.apple.com/library/ios/#technotes/tn2239/_index.html
It outputs a more complete view hierarchy which you might find useful:
> po [_myToolbar recursiveDescription]
<UIToolbarButton: 0xd866040; frame = (152 0; 15 44); opaque = NO; layer = <CALayer: 0xd8642...
Facebook share link without JavaScript
...se
<a href="https://www.facebook.com/sharer/sharer.php?u=#url" target="_blank">Share</a>
Currently there is no sharing option without passing current url as a parameter. You can use an indirect way to achieve this.
Create a server side page for example: "/sharer.aspx"
Link this page...
Convert a List into an ObservableCollection
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...