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How do I check for nulls in an '==' operator overload without infinite recursion?
The following will cause infinite recursion on the == operator overload method
13 Answers
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Two submit buttons in one form
I have two submit buttons in a form. How do I determine which one was hit serverside?
19 Answers
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How to have no pagebreak after \include in LaTeX
...I use the command \include{file} which adds a pagebreak after the use of it.
4 Answers
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how to set textbox value in jquery
...ed HTML into the matched element.
You cannot set the value of a textbox with that method.
$(selector).load() returns the a jQuery object. By default an object is converted to [object Object] when treated as string.
Further clarification:
Assuming your URL returns 5.
If your HTML looks like:
...
How do you test to see if a double is equal to NaN?
I have a double in Java and I want to check if it is NaN .
What is the best way to do this?
7 Answers
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jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
...de the webapp since, obviously, the container already has these classes in its classpath: it implements the interfaces contained in this jar.
The dependency should be in the provided scope, rather than the default compile scope, in your Maven pom:
<dependency>
<groupId>javax.servle...
How to validate an Email in PHP?
...he filter_var() function, which gives you a lot of handy validation and sanitization options.
filter_var($email, FILTER_VALIDATE_EMAIL)
PHP Manual filter_var()
Available in PHP >= 5.2.0
If you don't want to change your code that relied on your function, just do:
function isValidEmail($emai...
Biggest differences of Thrift vs Protocol Buffers?
...ocol Buffers much easier to read
Basically, they are fairly equivalent (with Protocol Buffers slightly more efficient from what I have read).
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How to force keyboard with numbers in mobile website in Android
I have a mobile website and it has some HTML input elements in it, like this:
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registerForRemoteNotificationTypes: is not supported in iOS 8.0 and later
...know about any iOS 8 selectors) and Xcode 6, then you will need to use conditional compiling as follows:
#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 80000
if ([application respondsToSelector:@selector(registerUserNotificationSettings:)]) {
// use registerUserNotificationSettings
} else {
// u...