大约有 5,600 项符合查询结果（耗时：0.0247秒） [XML]
What's valid and what's not in a URI query?
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@NasBanov And yet others (e.g. PHP) will interpret it as { q: 3 }
– Nicholas Shanks
Nov 17 '16 at 15:19
1
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What is the easiest way to duplicate an activerecord record?
... suppose you have a task scheduled for a certain date and you want to duplicate it to another date. The actual attributes of the task aren't important, so:
old_task = Task.find(task_id)
new_task = Task.new(old_task.attributes.merge({:scheduled_on => some_new_date}))
will create a new task wit...
Is there a way to stop Google Analytics counting development work as hits?
...ENAME=COOKIEVALUE") === -1) {
// Insert Analytics Code Here
}
}
PHP
if ($_SERVER['HTTP_HOST']==="mydomain.com" || $_SERVER['HTTP_HOST']==="www.mydomain.com") {
if (@$_COOKIE["COOKIENAME"] !== "COOKIEVALUE") {
// Insert Analytics Code Here
}
}
Verifying that the HOST name eq...
Setting the correct encoding when piping stdout in Python
... because Python encodes the output to whatever encoding your terminal application is using. If you are piping you must encode it yourself.
A rule of thumb is: Always use Unicode internally. Decode what you receive, and encode what you send.
# -*- coding: utf-8 -*-
print u"åäö".encode('utf-8')
...
How to move screen without moving cursor in Vim?
... point I've accepted it. If you want to go down that road, there's xev -q, cat /proc/bus/input/devices to find the device to query and evtest or thd ... --dump /dev/input/event<#> to check the state, etc. If you absolutely must make a system-wide remapping, at least swap two locks like caps &l...
Using sed, how do you print the first 'N' characters of a line?
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colrm x
For example, if you need the first 100 characters:
cat file |colrm 101
It's been around for years and is in most linux's and bsd's (freebsd for sure), usually by default. I can't remember ever having to type apt-get install colrm.
...
Determine if a function exists in bash
...hich is somewhat inefficient). Would you check if a file is present using cat "$fn" | wc -c? As for zsh, if the bash tag didn't clue you in, maybe the question itself should have. "Determine if a function exists in bash". I would further point out, that while the -F option does not exist in zsh, ...
Difference between Dictionary and Hashtable [duplicate]
...e> is a generic type, allowing:
static typing (and compile-time verification)
use without boxing
If you are .NET 2.0 or above, you should prefer Dictionary<TKey,TValue> (and the other generic collections)
A subtle but important difference is that Hashtable supports multiple reader thre...
How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
...njoy it!!!
Just because I have had problems with my hosting provider
<?php /*
Author: Luis Siquot
Purpose: Check ajax performance and errors
License: GPL
site5: Please don't drop json requests (nor delay)!!!!
*/
$r = (int)$_GET['r'];
$w = (int)$_GET['w'];
if($r) {
sleep($w);
ech...
Best way to store password in database [closed]
...ssword: Best Practices?
Is it ever ok to store password in plain text in a php variable or php constant?
To clarify a bit further on the salting bit, the danger with simply hashing a password and storing that is that if a trespasser gets a hold of your database, they can still use what are known a...