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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...
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.
...
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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Apache VirtualHost 403 Forbidden
...that often results in this error. You would also see a log message of the form "client denied by server configuration". The feature is requiring a user identity to access a directory. It is turned on by DEFAULT in the httpd.conf that ships with Apache. You can see the enabling of the feature wit...
How to convert an int array to String with toString method in Java [duplicate]
...
This function returns a array of int in the string form like "6097321041141011026"
private String IntArrayToString(byte[] array) {
String strRet="";
for(int i : array) {
strRet+=Integer.toString(i);
}
return strRet;
}
...