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How to Turn Off Showing Whitespace Characters in Visual Studio IDE
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hehe I toggled it on again by mistake XDDD Thank you!!! Anybody knows why this feature even exists? Isn't it infinitely annoying?
– Vintharas
Dec 13 '11 at 10:48
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Run a callback only if an attribute has changed in Rails
... to ActiveRecord::Dirty in Rails 5.1+:
ActiveRecord::Dirty
https://api.rubyonrails.org/classes/ActiveRecord/AttributeMethods/Dirty.html
Before Saving (OPTIONAL CHANGE)
After modifying an object and before saving to the database, or within the before_save filter:
changes should now be changes_t...
Split a module across several files
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I believe you misunderstood what I meant by "vector". I was speaking of vector as in the mathematical quantity, not the data structure. Also, I'm not running the lastest version of rust, because it's a bit of a pain to build on windows.
– stars...
Simplest/Cleanest way to implement singleton in JavaScript?
...tern, it basically allows you to encapsulate private members on an object, by taking advantage of the use of closures.
UPDATE: I would like to add that if you want to prevent the modification of the singleton object, you can freeze it, using the ES5 Object.freeze method.
That will make the object ...
Python memory usage of numpy arrays
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You can use array.nbytes for numpy arrays, for example:
>>> import numpy as np
>>> from sys import getsizeof
>>> a = [0] * 1024
>>> b = np.array(a)
>>> getsizeof(a)
8264
>>> b.nbytes
8192
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How do you change Background for a Button MouseOver in WPF?
...in That seems so backwards! Why should a user-defined trigger be overriden by default ones? I understand the hierarchy, ControlTemplate is above Style, but I don't understand why it has to be so difficult to override basic settings like these.
– Fuselight
Nov 4...
How can I convert a file pointer ( FILE* fp ) to a file descriptor (int fd)?
I have a FILE * , returned by a call to fopen() . I need to get a file descriptor from it, to make calls like fsync(fd) on it. What's the function to get a file descriptor from a file pointer?
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How to copy directories in OS X 10.7.3?
...the same mode as the corresponding source directory, unmodified by the process' umask.
– Xiao
Oct 1 '14 at 5:40
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How to make Sequelize use singular table names
...ated_at
underscored: true,
// disable the modification of tablenames; By default, sequelize will automatically
// transform all passed model names (first parameter of define) into plural.
// if you don't want that, set the following
freezeTableName: true,
// define the table's name
t...
How to apply an XSLT Stylesheet in C#
...ren's excellent answer, note that this code can be shortened significantly by using the appropriate XslCompiledTransform.Transform overload:
var myXslTrans = new XslCompiledTransform();
myXslTrans.Load("stylesheet.xsl");
myXslTrans.Transform("source.xml", "result.html");
(Sorry for posing this...