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How to disable python warnings
I am working with code that throws a lot of (for me at the moment) useless warnings using the warnings library. Reading (/scanning) the documentation I only found a way to disable warnings for single functions . But I don't want to change so much of the code.
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Modular multiplicative inverse function in Python
... Naive exponentiation is not an option because of time (and memory) limit for any reasonably big value of p like say 1000000007.
– dorserg
Jan 25 '11 at 21:11
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find vs find_by vs where
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Model.all
Model.first
find_by is used as a helper when you're searching for information within a column, and it maps to such with naming conventions. For instance, if you have a column named name in your database, you'd use the following syntax:
Model.find_by(name: "Bob")
.where is more of a ...
Store JSON object in data attribute in HTML jQuery
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So using the data- approach allows me to store the value for each delete button (each button gets a different json object...) I have in the table by putting in the hmtl tag like I showed above. Is what you're suggesting going to allow me to associate each object with to the corresp...
How to Detect if I'm Compiling Code with a particular Visual Studio version?
...hat you need. You can also examine visualc.hpp in any recent boost install for some usage examples.
Some values for the more recent versions of the compiler are:
MSVC++ 14.24 _MSC_VER == 1924 (Visual Studio 2019 version 16.4)
MSVC++ 14.23 _MSC_VER == 1923 (Visual Studio 2019 version 16.3)
MSVC++ 1...
VIM Disable Automatic Newline At End Of File
... some way to disable this feature. (It wouldbe best if I could disable it for specific file extensions).
13 Answers
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C# Sortable collection which allows duplicate keys
...eady stated in some other answers, you should use your own comparer class. For this sake I use a generic IComparer class, that works with anything that implements IComparable:
/// <summary>
/// Comparer for comparing two keys, handling equality as beeing greater
/// Use this Comparer e.g. wit...
Bad class file magic or version
...a_home -v 1.7`
Solution #2: change compiler version:
change back to 1.7 for this specific module in its build.gradle
apply plugin: 'java'
sourceCompatibility = 1.7
targetCompatibility = 1.7
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Genymotion, “Unable to load VirtualBox engine.” on Mavericks. VBox is setup correctly
...to run the command every time i restart the computer. Is there an once-and-for-all way?
– Chris.Zou
Nov 14 '13 at 3:05
1
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Serializing class instance to JSON
...ONEncoder.default() function, and make that function emit the correct JSON for your class.
A simple solution would be to call json.dumps() on the .__dict__ member of that instance. That is a standard Python dict and if your class is simple it will be JSON serializable.
class Foo(object):
def ...