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How can I check if a string is null or empty in PowerShell?
Is there a built-in IsNullOrEmpty -like function in order to check if a string is null or empty, in PowerShell?
11 Answers...
Is it possible to prevent an NSURLRequest from caching data or remove cached data following a reques
On iPhone, I perform a HTTP request using NSURLRequest for a chunk of data. Object allocation spikes and I assign the data accordingly. When I finish with the data, I free it up accordingly - however instruments doesn't show any data to have been freed!
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AWK: Access captured group from line pattern
If I have an awk command
6 Answers
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Good examples using java.util.logging [closed]
I want to use logs in my program. I heard about java.util.logging , but I don't know how to begin.
6 Answers
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When a 'blur' event occurs, how can I find out which element focus went *to*?
Suppose I attach an blur function to an HTML input box like this:
23 Answers
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How to align checkboxes and their labels consistently cross-browsers
This is one of the minor CSS problems that plagues me constantly. How do folks around Stack Overflow vertically align checkboxes and their labels consistently cross-browser ? Whenever I align them correctly in Safari (usually using vertical-align: baseline on the input ), they're completel...
How to hide reference counts in VS2013?
Visual Studio 2013 introduced a new feature where it shows you how many times each of your methods are used.
5 Answers
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What does “yield break;” do in C#?
I have seen this syntax in MSDN: yield break , but I don't know what it does. Does anyone know?
10 Answers
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Maximum Java heap size of a 32-bit JVM on a 64-bit OS
The question is not about the maximum heap size on a 32-bit OS, given that 32-bit OSes have a maximum addressable memory size of 4GB, and that the JVM's max heap size depends on how much contiguous free memory can be reserved.
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What happens to a github student account's repositories at the end of 2 years?
I just got upgraded to a free github micro plan using my university email address. I'm planning to use the private repositories for some class projects this semester, but I'm wondering what will happen to those repositories at the end of 2 years when my free student upgrade expires. I'm assuming it'...