大约有 47,000 项符合查询结果（耗时：0.0751秒） [XML]
Why is using the rails default_scope often recommend against?
... when wanting to show unpublished (private) posts. So far so good.
2.1.1 :001 > Post.all
Post Load (0.2ms) SELECT "posts".* FROM "posts" WHERE "posts"."published" = 't'
Well this is pretty much what we expect. Now lets try:
2.1.1 :004 > Post.new
=> #<Post id: nil, title: nil, p...
The simplest possible JavaScript countdown timer? [closed]
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510
I have two demos, one with jQuery and one without. Neither use date functions and are about as s...
Convert a char to upper case using regular expressions (EditPad Pro)
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280
TextPad will allow you to perform this operation.
example:
test this sentence
Find what: \([...
How do I set a column value to NULL in SQL Server Management Studio?
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Jan 14 '09 at 21:05
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Convert NSNumber to int in Objective-C
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edited Dec 10 '19 at 4:06
pkamb
24.6k1818 gold badges116116 silver badges145145 bronze badges
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Python, creating objects
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class Student(object):
name = ""
age = 0
major = ""
# The class "constructor" - It's actually an initializer
def __init__(self, name, age, major):
self.name = name
self.age = age
self.major = major
def make_student(name, age,...
socket.emit() vs. socket.send()
...er custom event like that:
server:
var io = require('socket.io').listen(80);
io.sockets.on('connection', function (socket) {
socket.emit('news', { hello: 'world' });
socket.on('my other event', function (data) {
console.log(data);
});
});
client:
var socket = io.connect('http://local...
How to track child process using strace?
I used strace to attach to a process briefly. The process created 90 threads. When I found the offending thread, I had to tediously search for the parent thread, then the grandparent thread, and so on all the way to the root process.
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initializing a boolean array in java
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answered Mar 2 '10 at 16:42
BalusCBalusC
953k341341 gold badges34193419 silver badges34053405 bronze badges
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UITableView with fixed section headers
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307
The headers only remain fixed when the UITableViewStyle property of the table is set to UITable...