大约有 47,000 项符合查询结果（耗时：0.0326秒） [XML]
Reduce git repository size
...e the prune process to take place (to be sure: git gc --aggressive --prune=now). You have other commands to clean the repo too. Don't forget though, sometimes git gc alone can increase the size of the repo!
It can be also used after a filter-branch, to mark some directories to be removed from the h...
How to set a default value for a datetime column to record creation time in a migration?
...
This is supported now in Rails 5.
Here is a sample migration:
class CreatePosts < ActiveRecord::Migration[5.0]
def change
create_table :posts do |t|
t.datetime :modified_at, default: -> { 'CURRENT_TIMESTAMP' }
t.time...
last day of month calculation
... actual maximum for current month. For example it is February of leap year now, so it returns 29 as int.
share
|
improve this answer
|
follow
|
...
What are some methods to debug Javascript inside of a UIWebView?
... why something with Javascript isn't working inside of a UIWebView. To my knowledge, there is no way to set a breakpoint inside of XCode for a js file. No problemo, I'll just go back to 2004 and use alert statemen-- oh wait they don't seem to work inside of a UIWebView either!
...
Javascript calculate the day of the year (1 - 366)
...
Following OP's edit:
var now = new Date();
var start = new Date(now.getFullYear(), 0, 0);
var diff = now - start;
var oneDay = 1000 * 60 * 60 * 24;
var day = Math.floor(diff / oneDay);
console.log('Day of year: ' + day);
Edit: The code ab...
brew install mysql on macOS
... Because this thread is old, the "launchctl unload" line above is now wrong. The file homebrew installs is not longer called "com.mysql.mysqld.plist", it is called "homebrew.mxcl.mysql.plist". The line should now read "launchctl unload -w ~/Library/LaunchAgents/homebrew.mxcl.mysql.plist"
...
When to use single quotes, double quotes, and backticks in MySQL
...write queries. I also understand the importance of being consistent. Until now, I have randomly used single quotes, double quotes, and backticks without any real thought.
...
How can I split up a Git commit buried in history?
... tree.
Run git rebase --continue to proceed applying the commits after the now-split commit.
share
|
improve this answer
|
follow
|
...
javascript: pause setTimeout();
...nction() {
window.clearTimeout(timerId);
remaining -= Date.now() - start;
};
this.resume = function() {
start = Date.now();
window.clearTimeout(timerId);
timerId = window.setTimeout(callback, remaining);
};
this.resume();
};
var timer = new ...
Kotlin secondary constructor
...
Update: Since M11 (0.11.*) Kotlin supports secondary constructors.
For now Kotlin supports only primary constructors (secondary constructors may be supported later).
Most use cases for secondary constructors are solved by one of the techniques below:
Technique 1. (solves your case) Define a fa...