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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...
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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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 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.
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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 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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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 do I remove a key from a JavaScript object? [duplicate]
Let's say we have an object with this format:
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how do you filter pandas dataframes by multiple columns
To filter a dataframe (df) by a single column, if we consider data with male and females we might:
6 Answers
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