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Is Redis just a cache?
I have been reading some Redis docs and trying the tutorial at http://try.redis-db.com/ . So far, I can't see any difference between Redis and caching technologies like Velocity or the Enterprise Library Caching Framework
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How to change a module variable from another module?
Suppose I have a package named bar , and it contains bar.py :
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What does tree-ish mean in Git?
I'm very confused about how to use git archive .
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Is it fine to have foreign key as primary key?
I have two tables:
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Check that an email address is valid on iOS [duplicate]
I am developing an iPhone application where I need the user to give his email address at login.
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What's the -practical- difference between a Bare and non-Bare repository?
I've been reading about the bare and non-bare / default repositores in Git. I haven't been able to understand quite well (theoretically) about the differences between them, and why I should "push" to a bare repository. Here's the deal:
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How unique is UUID?
How safe is it to use UUID to uniquely identify something (I'm using it for files uploaded to the server)? As I understand it, it is based off random numbers. However, it seems to me that given enough time, it would eventually repeat it self, just by pure chance. Is there a better system or a patter...
iPad/iPhone hover problem causes the user to double click a link
I have some websites I built times ago, that use jquery mouse events...I just got an ipad and i noticed that all the mouse over events are translated in clicks...so for instance i have to do two clicks instead of one..(the first hover, than the actual click)
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Why is creating a Thread said to be expensive?
The Java tutorials say that creating a Thread is expensive. But why exactly is it expensive? What exactly is happening when a Java Thread is created that makes its creation expensive? I'm taking the statement as true, but I'm just interested in mechanics of Thread creation in JVM.
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Is an empty href valid?
One of our web developers uses the following html as a placeholder for styling a drop down list.
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