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JavaScript: filter() for Objects
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Never ever extend Object.prototype.
Horrible things will happen to your code. Things will break. You're extending all object types, including object literals.
Here's a quick example you can try:
// Extend Object.prototype
Object.p...
Jasmine JavaScript Testing - toBe vs toEqual
...e matcher is nothing more than a wrapper for a strict equality comparison
expect(c.foo).toBe(b.foo)
is the same thing as
expect(c.foo === b.foo).toBe(true)
Don't just take my word for it; see the source code for toBe.
But b and c represent functionally equivalent objects; they both look like
{ foo...
Convert decimal to binary in python [duplicate]
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all numbers are stored in binary. if you want a textual representation of a given number in binary, use bin(i)
>>> bin(10)
'0b1010'
>>> 0b1010
10
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Java synchronized method lock on object, or method?
...Integer instead:
import java.util.concurrent.atomic.AtomicInteger;
class X {
AtomicInteger a;
AtomicInteger b;
public void addA(){
a.incrementAndGet();
}
public void addB(){
b.incrementAndGet();
}
}
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How to tell git to use the correct identity (name and email) for a given project?
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git config user.email "bob@example.com"
Doing that one inside a repo will set the configuration on THAT repo, and not globally.
Seems like that's pretty much what you're after, unless I'm misreading you.
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Example images for code and mark-up Q&As [closed]
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Here are some example images for common use, mostly from existing answers on SO.
Icons
Simple Geometric shapes generated using Java as originally seen in this answer. It includes a Java based interface that defines the URLs and makes t...
Changing the case of a string in Eclipse
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By default, the hotkeys:
CTRL+SHIFT+Y changes to lowercase.
CTRL+SHIFT+X changes to UPPERCASE.
Or, on a Mac:
⌘+⇧+Y changes to lowercase.
⌘+⇧+X changes to UPPERCASE.
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What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
...psis is similar in meaning to _ArgTypes..., ..., i.e. a variadic template expansion followed by a C-style varargs list.
Here's a test supporting that theory… I think we have a new winner for worst pseudo-operator ever.
Edit: This does appear to be conformant. §8.3.5/3 describes one way to form ...
SQL statement to select all rows from previous day
...hat accepts three parameters (msdn.microsoft.com/en-us/library/ms189794.aspx) the question you link to is for MySql, which I guess works differently as you have found. You will find that SQL is not completely interchangeable, there are many differences like this between different vendors, especially...
Spring JPA @Query with LIKE
....setParameter("username", "%foo%"); @MatthewDaumen
– xuezhongyu01
Sep 30 '19 at 7:59
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