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Career day in kindergarten: how to demonstrate programming in 20 minutes? [closed]
...ough to learn new tricks. I would have about 20-30 minutes, without projector or anything. They have an old computer though, which by its look may be a 486, and I am not even sure if it's functioning (Update: it isn't).
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Should I git ignore xcodeproject/project.pbxproj file?
..., I offen got xcodeproject/project.pbxproj file changed, but useless info for me, it for compile.
7 Answers
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bower command not found
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I would like to add that this is not the most correct answer if you work with multiple projects. Bower should be installed in the node_moduleslocally from package.json and not globally, since different projects can use different versions (that's the whole point of npm). T...
Why Func instead of Predicate?
...on variants come from .net 3.5.
So those Func predicates are used mainly for consistency in the LINQ operators. As of .net 3.5, about using Func<T> and Action<T> the guideline states:
Do use the new LINQ types Func<> and
Expression<> instead of custom
delegates and p...
How do you round a float to two decimal places in jruby
... I know it does not appear to be the intention of Sam to round the number for the purpose of presenting something like a currency, but be aware that using #round(precision) will not work as intended if you are trying to do this (3.round(2) #=> 3.0, not 3.00). To get this, check out the answer by ...
What is the difference between encrypting and signing in asymmetric encryption?
...it is done with your private key.
I want to be able to encrypt certain information and use it as a product key for my software.
I only care that I am the only one who can generate these.
If you only need to know it to yourself, you don't need to mess with keys to do this. You may just generate ran...
Android: Difference between Parcelable and Serializable?
Why does Android provide 2 interfaces for serializing objects? Do Serializable objects interopt with Android Binder and AIDL files?
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Override devise registrations controller
I have added a field to the sign-up form that is based on a different model, see How do I use nested attributes with the devise model for the gory details. This part is working fine.
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How to open the Google Play Store directly from my Android application?
I have open the Google Play store using the following code
23 Answers
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What's the difference between .so, .la and .a library files?
...ary (lots of threads can share such libraries so there is no need to have more than one copy of it in memory). But what is the difference between .a and .la ? Are these all static libraries?
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