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How do I add 24 hours to a unix timestamp in php?
I would like to add 24 hours to the timestamp for now. How do I find the unix timestamp number for 24 hours so I can add it to the timestamp for right now?
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Unnecessary curly braces in C++?
When doing a code review for a colleague today I saw a peculiar thing. He had surrounded his new code with curly braces like this:
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Which is the fastest algorithm to find prime numbers?
... edited Jan 17 '09 at 18:49
mmcdole
83.7k6060 gold badges178178 silver badges221221 bronze badges
answered Jan 17 '09 at 18:45
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Change the current directory from a Bash script
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how would you do this in tcsh?
– joedborg
Aug 25 '11 at 11:12
4
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jQuery: Check if div with certain class name exists
...ct that is returned from JQuery like so:
if ($(".mydivclass")[0]){
// Do something if class exists
} else {
// Do something if class does not exist
}
In this case if there is a truthy value at the first ([0]) index, then assume class exists.
Edit 04/10/2013: I've created a jsperf test ca...
Unit testing with Spring Security
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The problem is that Spring Security does not make the Authentication object available as a bean in the container, so there is no way to easily inject or autowire it out of the box.
Before we started to use Spring Security, we would create a session-scoped bean...
Do subclasses inherit private fields?
...lass's private fields. As he states, having no access to a private member doesn't mean its not there.
However. This is different than the notion of inheritance for a class. As is the case in the java world, where there is a question of semantics the arbiter is the Java Language Specification (cu...
How do I specify “close existing connections” in sql script
I'm doing active development on my schema in SQL Server 2008 and frequently want to rerun my drop/create database script. When I run
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Most efficient way to concatenate strings?
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This is not true for single line concatenation. Say you do myString = "foo" + var1 + "bar" + var2 + "hello" + var3 + "world", the compiler automatically turns that into a string.concat call, which is as efficient as it gets. This answer is incorrect, there are plenty of better an...
What's a simple way to get a text input popup dialog box on an iPhone
... to get the user name. A simple text input dialog box. Any simple way to do this?
12 Answers
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