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Pass correct “this” context to setTimeout callback?
...erscore.js, lodash
It's available in Underscore.js, as well as lodash, as _.bind(...)1,2
bind Bind a function to an object, meaning that whenever the function is called, the value of this will be the object. Optionally, bind arguments to the function to pre-fill them, also known as partial appl...
ReactJS render string with non-breaking spaces
... contain characters such as &.
It also contains spaces. I want to replace all spaces with   .
6 Answers
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How to get all count of mongoose model?
...if you are using promise
or
userModel.count({}); // if you want to get all counts irrespective of the fields
On the recent version of mongoose, count() is deprecated so use
userModel.countDocuments({name: "sam"});
s...
Instance v state variables in react.js
...nter: function () {
// Open a new one after a delay
this._timeout = setTimeout(function () {
this.openWidget();
}.bind(this), DELAY);
},
handleLeave: function () {
// Clear the timeout for opening the widget
clearTimeout(this._timeout...
difference between collection route and member route in ruby on rails?
...h search_photos_path Acts on collection of resources(display all photos)
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Best approach to converting Boolean object to string in java
...irst test for null and later invoke toString() method on your object.
Calling Boolean.toString(b) will invoke
public static String toString(boolean b) {
return b ? "true" : "false";
}
which is little slower than b.toString() since JVM needs to first unbox Boolean to boolean which will be...
Undo git update-index --skip-worktree
... are marked with S.
Edit: As @amacleod mentioned, making an alias to list all the hidden files is a nice trick to have so that you don't need to remember it. I use alias hidden="git ls-files -v | grep '^S'" in my .bash_profile. It works great!
...
Forward declaration of nested types/classes in C++
...:Nested; // But this doesn't work.
My workaround was:
class IDontControl_Nested; // Forward reference to distinct name.
Later when I could use the full definition:
#include <idontcontrol.h>
// I defined the forward ref like this:
class IDontControl_Nested : public IDontControl::Nested
{...
What is the performance of Objects/Arrays in JavaScript? (specifically for Google V8)
Performance associated with Arrays and Objects in JavaScript (especially Google V8) would be very interesting to document. I find no comprehensive article on this topic anywhere on the Internet.
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Javascript checkbox onChange
...
Here's a JsFiddle where all the different ways can be tested: click, keyboard, label and accesskey. They all trigger the event in Firefox.
– Roman Starkov
May 8 '15 at 12:59
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