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What's the difference between eval, exec, and compile?
...on, and exec is used to execute dynamically generated Python code only for its side effects.
eval and exec have these two differences:
eval accepts only a single expression, exec can take a code block that has Python statements: loops, try: except:, class and function/method definitions and so on...
What is scaffolding? Is it a term for a particular platform?
Scaffolding, what is it? Is it a Rails-only thing?
7 Answers
7
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How to get existing fragments when using FragmentPagerAdapter
I have problem making my fragments communicating with each other through the Activity , which is using the FragmentPagerAdapter , as a helper class that implements the management of tabs and all details of connecting a ViewPager with associated TabHost . I have implemented FragmentPagerAdapter...
How to organize a node app that uses sequelize?
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The short story
The trick in this case is not to initialize the model in the file but just to provide the necesary information for its initialization and let a centralized module take care of the models setup and instantiation.
So the steps are:
Have several Model files with...
Which annotation should I use: @IdClass or @EmbeddedId
...A (Java Persistence API) specification has 2 different ways to specify entity composite keys: @IdClass and @EmbeddedId .
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In C++, is it still bad practice to return a vector from a function?
Short version: It's common to return large objects—such as vectors/arrays—in many programming languages. Is this style now acceptable in C++0x if the class has a move constructor, or do C++ programmers consider it weird/ugly/abomination?
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nodejs vs node on ubuntu 12.04
...node
Or if you use non-standard shells, just hardcode the path you find with which nodejs:
sudo ln -s /usr/bin/nodejs /usr/bin/node
Later edit
I found this explanation in the link you posted
There is a naming conflict with the node package (Amateur Packet Radio Node Program), and the nodej...
How can I wait In Node.js (JavaScript)? l need to pause for a period of time
...nt of time, but, from my research, Node.js has no way to stop as required. It’s getting hard to read users’ information after a period of time... I’ve seen some code out there, but I believe they have to have other code inside of them for them to work such as:
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The object cannot be deleted because it was not found in the ObjectStateManager
I am getting this error "The object cannot be deleted because it was not found in the ObjectStateManager."
10 Answers
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Set value of textarea in jQuery
I am attempting to set a value in a textarea field using jquery with the following code:
25 Answers
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