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How do you implement a good profanity filter?
... some good examples as to how arrays can be used flexibly.
For additional PHP programming examples, see this page for a somewhat advanced generic class for word filtering that *'s out the center letters from censored words, and this previous Stack Overflow question that also has a PHP example (the ...
Go Error Handling Techniques [closed]
...er that they are both idiomatic code, and add the following:
Your first example:
if err != nil {
//handle err
}
is more idiomatic when dealing with more than one return value. for example:
val, err := someFunc()
if err != nil {
//handle err
}
//do stuff with val
Your second exampl...
How do you echo a 4-digit Unicode character in Bash?
..., or any other, 4-digit Unicode character. Two-digit one's are easy. For example, echo -e "\x55", .
18 Answers
...
Which comment style should I use in batch files?
...s :: is merely an artifact of a particular implementation.
Here is an example where :: produces a problem in a FOR loop.
This example will not work in a file called test.bat on your desktop:
@echo off
for /F "delims=" %%A in ('type C:\Users\%username%\Desktop\test.bat') do (
::echo hello&gt...
Encode URL in JavaScript?
.... Let's say I want to browse to http://somedomain/this dir has spaces/info.php?a=this has also spaces. It should be converted to: http://somedomain/this%20dir%20has%spaces/info.php?a=this%20has%20also%20spaces but many implementations allow '%20' in the querystring to be replaced by '+'. Nevertheles...
How to add default value for html ? [closed]
...me="msg" placeholder="Your message here." onfocus='this.select()'>
<?php if (isset($_POST['encode'])) { echo htmlspecialchars($_POST['msg']);} ?>
</textarea>
In this case, $_POST['encode'] came from this:
<input class="input_bottom btn btn-default" type="submit" name="encode" va...
What are best practices for validating email addresses on iOS 2.0
...il: (NSString *) candidate {
NSString *emailRegex =
@"(?:[a-z0-9!#$%\\&'*+/=?\\^_`{|}~-]+(?:\\.[a-z0-9!#$%\\&'*+/=?\\^_`{|}"
@"~-]+)*|\"(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21\\x23-\\x5b\\x5d-\\"
@"x7f]|\\\\[\\x01-\\x09\\x0b\\x0c\\x0e-\\x7f])*\")@(?:(?:[a-z0-9](?:[a-"
@"z0-9-]*[a-z0-9]...
Using sed to mass rename files
...ed command, the sed manpage is helpful. If
you run man sed and search for & (using the / command to search),
you'll find it's a special character in s/foo/bar/ replacements.
s/regexp/replacement/
Attempt to match regexp against the pattern space. If success‐
ful, replac...
通信连接组件 · App Inventor 2 中文网
... 调用百度地图的uri参考地址：https://lbsyun.baidu.com/index.php?title=uri/api/web
打开系统照相机（比照相机组件打开的界面会丰富一些）
Action: android.media.action.STILL_IMAGE_CAMERA
可选取多个文件（图片、音频、视频...
Import CSV to mysql table
...
Here's a simple PHP command line script that will do what you need:
<?php
$host = 'localhost';
$user = 'root';
$pass = '';
$database = 'database';
$db = mysql_connect($host, $user, $pass);
mysql_query("use $database", $db);
/*********...