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程序员之网络安全系列（二）：如何安全保存用户密码及哈希算法 - 更多技术 ...
...了，我把锁给撬了，后来我才想起可以用穷举法，最多就999次不就打开了？那么问题来了，你的密码箱还安全吗？
彩虹表
除了穷举法外，由于之前的密码泄露，那么攻击者们，手上都有大量的彩虹表，比如”I love you”,生日等...
Pad a string with leading zeros so it's 3 characters long in SQL Server 2008
...his has the advantage of returning the string '***' for n < 0 or n > 999, which is a nice and obvious indicator of out-of-bounds input. The other methods listed here will fail silently by truncating the input to a 3-character substring.
...
Removing carriage return and new-line from the end of a string in c#
...ered Apr 22 '15 at 22:49
martinp999martinp999
35055 silver badges88 bronze badges
...
How to validate phone numbers using regex
...y culturally dependant.
America
(408) 974–2042 is a valid US number
(999) 974–2042 is not a valid US number
Australia
0404 999 999 is a valid Australian number
(02) 9999 9999 is also a valid Australian number
(09) 9999 9999 is not a valid Australian number
A regular expression is fine ...
How to use java.String.format in Scala?
...e, we use {0} and {1} instead of %1$ and %2$.
– ashes999
Nov 26 '13 at 2:36
@ashes999 I'm from c# land aswell. I'm so ...
Is it possible to set a number to NaN or infinity?
...
When using Python 2.4, try
inf = float("9e999")
nan = inf - inf
I am facing the issue when I was porting the simplejson to an embedded device which running the Python 2.4, float("9e999") fixed it. Don't use inf = 9e999, you need convert it from string.
-inf gives t...
Replace input type=file by an image
...on:relative;
background-color:#ccc;
}
label span input {
z-index: 999;
line-height: 0;
font-size: 50px;
position: absolute;
top: -2px;
left: -700px;
opacity: 0;
filter: alpha(opacity = 0);
-ms-filter: "alpha(opacity=0)";
cursor: pointer;
_cursor: hand...
How can I post data as form data instead of a request payload?
...ponse status 200-299 */}).
error(function(data){/* response status 400-999 */});
Remember that for a correct form post, the Content-Type header must be changed. To do this globally for all POST requests, this code (taken from Albireo's half-answer) can be used:
$http.defaults.headers.post["Co...
Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
..."c", true ); // rgba(20,60,200,0.67423) + [42% Lighter] + [Convert] => #778edfac
// RGB2Hex & Hex2RGB Conversion Only (set percentage to zero)
pSBC ( 0, color6, "c", true ); // #F3A9 + [Convert] => rgba(255,51,170,0.6)
// Blending
pSBC ( -0.5, color2, color8, true ); // rgba(20,60,200,0....
Linking to an external URL in Javadoc?
...answered May 21 '12 at 10:13
aem999aem999
14.7k33 gold badges1919 silver badges1212 bronze badges
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