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Why is there a difference in checking null against a value in VB.NET and C#?
...de different assumptions about usage; in this case the semantics of a NULL comparison.
My personal preference is for the VB.NET semantics, which in essence gives NULL the semantics "I don't know yet". Then the comparison of 5 to "I don't know yet". is naturally "I don't know yet"; ie NULL. This has...
How to convert timestamps to dates in Bash?
... Mundi
76.1k1717 gold badges104104 silver badges130130 bronze badges
answered Oct 26 '12 at 13:49
rafaelzlisboarafaelzlisboa
1,9...
techniques for obscuring sensitive strings in C++
...OR key2
If you create key1 with the same byte-length as key you can use (completely) random byte values and then compute key2:
key1[n] = crypto_grade_random_number(0..255)
key2[n] = key[n] XOR key1[n]
You can do this in your build environment, and then only store key1and key2 in your applicatio...
How to make a whole 'div' clickable in html and css without JavaScript? [duplicate]
... It works in all browsers.
HTML:
<a class="add_to_cart" href="https://www.redracingparts.com" title="Add to Cart!">
buy now<br />free shipping<br />no further costs
</a>
CSS:
.add_to_cart:hover {
background-color:#FF9933;
text-decoration:none;
color:#FFFFFF;
}
....
Get URL of ASP.Net Page in code-behind [duplicate]
...ted on the server root but in a directory. If the application is hosted on www.contoso.com/app/ this will return just www.contoso.com
– linkerro
Oct 3 '12 at 8:58
add a commen...
cpuid汇编指令 - C/C++ - 清泛网 - 专注C/C++及内核技术
...--------------------------------
00 以前的OEM处理器
01 OverDrive®处理器
10 多处理器（指可用于多处理器系统）
功能标志（Feature Flag）
在EDX和ECX中返回的功能标志表明着该CPU都支持那些功能
EDX定义如下...
mysqli_fetch_assoc() expects parameter / Call to a member function bind_param() errors. How to get t
...umvent the error to poduce a valid result.
– Barkermn01
Sep 9 at 14:44
@Barkermn01 that's a proper concern of yours bu...
Maven in Eclipse: step by step installation [closed]
...ese steps but not install, I got some error which detail below......Cannot complete the install because one or more required items could not be found. Software being installed: m2e - Maven Integration for Eclipse (includes Incubating components) 1.5.0.20140606-0033 (org.eclipse.m2e.feature.feature...
Understanding the ngRepeat 'track by' expression
...d re-associate a DOM object) with every change.
full explanation:
http://www.bennadel.com/blog/2556-using-track-by-with-ngrepeat-in-angularjs-1-2.htm
a more practical guide:
http://www.codelord.net/2014/04/15/improving-ng-repeat-performance-with-track-by/
(track by is available in angular > ...