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What should I name a table that maps two tables together? [closed]
...cience: cache invalidation
and naming things-- Phil Karlton
Coming up with a good name for a table that represents a many-to-many relationship makes the relationship easier to read and understand. Sometimes finding a great name is not trivial but usually it is worth to spend some time thinking a...
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...
Cannot change version of project facet Dynamic Web Module to 3.0?
... . Also I changed the library in Java Build Path to obtain the JavaSE-1.7. It's all OK up to here.
31 Answers
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How to create streams from string in Node.Js?
I am using a library, ya-csv , that expects either a file or a stream as input, but I have a string.
11 Answers
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How do I check if a variable exists?
...' intstead of myVar. If the variable name is not known when the code is written, it will be stored in a string variable at runtime, and the check I posted will also work.
– Ayman Hourieh
May 9 '09 at 13:46
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Why is “import *” bad?
It is recommended to not to use import * in Python.
12 Answers
12
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How do I remove a key from a JavaScript object? [duplicate]
Let's say we have an object with this format:
3 Answers
3
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Where to store global constants in an iOS application?
...ould like to have a configuration file storing the base URL of the server. It will look something like this:
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How would I create a UIAlertView in Swift?
...IAlertView class:
// UIAlertView is deprecated. Use UIAlertController with a
preferredStyle of UIAlertControllerStyleAlert instead
On iOS 8, you can do this:
let alert = UIAlertController(title: "Alert", message: "Message", preferredStyle: UIAlertControllerStyle.Alert)
alert.addAction(UIAle...
How to check whether a string is Base64 encoded or not
I want to decode a Base64 encoded string, then store it in my database. If the input is not Base64 encoded, I need to throw an error.
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