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Best practices for circular shift (rotate) operations in C++
...a rotate-right. (This optimizes away with compile-time-constant counts.)
Fun fact: ARM doesn't really have dedicated shift/rotate instructions, it's just MOV with the source operand going through the barrel-shifter in ROR mode: mov r0, r0, ror r1. So a rotate can fold into a register-source opera...
What Git branching models work for you?
...s necessary or not?!)": not always necessary, but it help keeping trace of functional dependencies (stackoverflow.com/questions/881092/…) and semantic conflicts (stackoverflow.com/questions/2514502/…)
– VonC
Apr 12 '10 at 13:39
...
What is the most efficient way to deep clone an object in JavaScript?
...e(JSON.stringify(object))
const a = {
string: 'string',
number: 123,
bool: false,
nul: null,
date: new Date(), // stringified
undef: undefined, // lost
inf: Infinity, // forced to 'null'
re: /.*/, // lost
}
console.log(a);
console.log(typeof a.date); // Date obje...
Turn a simple socket into an SSL socket
...in(int argc, char *argv[])
{
BreakermindSslServer boom;
boom.Start(123,"/home/user/c++/qt/BreakermindServer/certificate.crt", "/home/user/c++/qt/BreakermindServer/private.key");
return 0;
}
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...
Create code first, many to many, with additional fields in association table
...g will fetch the comments automatically behind the scenes.
Edit
Just for fun a few examples more how to add entities and relationships and how to delete them in this model:
1) Create one member and two comments of this member:
var member1 = new Member { FirstName = "Pete" };
var comment1 = new C...
Flask-SQLalchemy update a row's information
...t()
pprint(bob.data) # {}
# Modifying data is ignored.
bob.data['foo'] = 123
db.session.commit()
bob = User.query.filter_by(name='Bob').first()
pprint(bob.data) # {}
# Replacing data is respected.
bob.data = {'bar': 321}
db.session.commit()
bob = User.query.filter_by(name='Bob').first()
pprint(b...
How to handle initializing and rendering subviews in Backbone.js?
...ers:</div>
<div id="phone_numbers">
<div>#1: 123-456-7890</div>
<div>#2: 456-789-0123</div>
</div>
</div>
Hopefully it's pretty obvious how the HTML matches up with the diagram.
The ParentView holds 2 child views, InfoView a...
var functionName = function() {} vs function functionName() {}
...
The difference is that functionOne is a function expression and so only defined when that line is reached, whereas functionTwo is a function declaration and is defined as soon as its surrounding function or script is executed (due to hoisting).
...
地图组件（高德地图） · App Inventor 2 中文网
...律。01 ~ 04 随意都可以，负载均衡用。
lang：可以通过zh_cn设置中文，en设置英文。
size：基本无作用。
style：地图类型控制（6~10），6卫星（st），7简图（st rd），8详图（不透明rd，透明图st）
scl：地图分辨率控制，1=256，2=512
ltype...
How do I change the background color of a plot made with ggplot2
...
123
To change the panel's background color, use the following code:
myplot + theme(panel.backgrou...