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Prevent user from seeing previously visited secured page after logout
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You can and should not disable the browser back button or history. That's bad for user experience. There are JavaScript hacks, but they are not reliable and will also not work when the client has JS disabled.
Your concrete problem ...
How to update a value, given a key in a hashmap?
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In fact that is the most robust and scalable enterprise solution.
– Lavir the Whiolet
Nov 11 '10 at 18:42
12
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How to concatenate strings in django templates?
... just works. Though I would recommend Ahsan's own answer as it also workes and is (in my opinion) semantically more correct and raises less confusion.
– gitaarik
Apr 2 '13 at 16:23
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Simple regular expression for a decimal with a precision of 2
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\d+(\.\d{1,2})?
Both assume that both have at least one digit before and one after the decimal place.
To require that the whole string is a number of this form, wrap the expression in start and end tags such as (in Perl's form):
^\d+(\.\d{1,2})?$
To match numbers without a leading digit be...
Draw line in UIView
...our case (horizontal line) is to add a subview with black background color and frame [0, 200, 320, 1].
Code sample (I hope there are no errors - I wrote it without Xcode):
UIView *lineView = [[UIView alloc] initWithFrame:CGRectMake(0, 200, self.view.bounds.size.width, 1)];
lineView.backgroundColor...
How to save password when using Subversion from the console
... no. Change it to yes (or just comment it out because it defaults to yes), and the next time you give Subversion your password it should save it.
You might want to ensure that the owner and permissions of ~/.subversion/config are correct (no public or group access; 600).
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C++: Rounding up to the nearest multiple of a number
OK - I'm almost embarrassed posting this here (and I will delete if anyone votes to close) as it seems like a basic question.
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Clear form fields with jQuery
I want to clear all input and textarea fields in a form. It works like the following when using an input button with the reset class:
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How to get month name from Calendar
... Mickey to answer your question, here is how you get month as int and use it - public static void main(String[] args) { int month; GregorianCalendar date = new GregorianCalendar(); month = date.get(Calendar.MONTH); System.out.println("Current month is " + (month + 1) + " and Mont...
Generate a random number in the range 1 - 10
...not work out, I'm trying something else now. Is there a way to tell pg's random() function to get me only numbers between 1 and 10?
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