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DateTime “null” value
...a nullable DateTime, like this:
DateTime? MyNullableDate;
Or the longer form:
Nullable<DateTime> MyNullableDate;
And, finally, there's a built in way to reference the default of any type. This returns null for reference types, but for our DateTime example it will return the same as Date...
How to set session timeout in web.config
...on variable like this -
Session["UserId"] = 1;
Now, you will have to perform a check on every page for this variable like this -
if(Session["UserId"] == null)
Response.Redirect("login.aspx");
This is a bare-bones example of how this will work.
But, for making your production quality secu...
How does the ARM architecture differ from x86? [closed]
... /* repeat while equal compare string bytewise */
while on ARM shortest form might look like (without error checking etc.)
top:
ldrb r2, [r0, #1]! /* load a byte from address in r0 into r2, increment r0 after */
ldrb r3, [r1, #1]! /* load a byte from address in r1 into r3, increment r1 after */
...
What does PermGen actually stand for?
...n's client implementation with sharing on, classes.jsa is memory mapped to form the initial data, with about half read-only and half copy-on-write.
Java objects that are merely old are kept in the Tenured Generation.
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What is “406-Not Acceptable Response” in HTTP?
...n I tried to upload an image through the POSTMAN REST client in Base64 format. When I POST the image I am getting a 406 Not Acceptable Response . When I checked my database, the image was there and was successfully saved.
...
Declaring variables inside a switch statement [duplicate]
...hin the single case, then enclosing the case section in { } will be better form (it avoids it being accidently reused later). If the variable is used againlater, then it really makes more sense to declare it before the start of the switch statement, since its very obtuse otherwise.
...
Most simple but complete CMake example
... no boxing takes place. Variables are global. Builtin functions offer some form of named arguments by the fact that they expect some ids like PUBLIC or DESTINATION in their argument list, to group the arguments. But that's not a language feature, those ids are also just strings, and parsed by the fu...
Left Join With Where Clause
...ometimes, this works faster in MySQL, but compare it against the LEFT JOIN form to see what works best for you.
SELECT s.*, c.value
FROM settings s
LEFT JOIN character_settings c ON c.setting_id = s.id AND c.character_id = '1'
...
Launching an application (.EXE) from C#?
...tring path = System.IO.Path.GetDirectoryName(
System.Windows.Forms.Application.ExecutablePath);
Process.Start(winpath + @"\Microsoft.NET\Framework\v1.0.3705\Installutil.exe",
path + "\\MyService.exe");
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Problems with entering Git commit message with Vim
...just going:
git commit -m "Message here"
So in your case:
git commit -m "Form validation added"
After you've added your files of course.
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