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How to validate an email address using a regular expression?
...may not be exactly what you want to achieve. For example, it accepts these strings as valid e-mail addresses:
"user1@hotmail.com; user2@gmail.com"
"user1@hotmail.com; user2@gmail.com; user3@company.com"
"User Display Name user3@company.com"
"user4 @company.com"
In some of these cases, only the l...
PHP: How to remove all non printable characters in a string?
...ASCII chars, you can rip out everything from 0-31 and 127-255 with this:
$string = preg_replace('/[\x00-\x1F\x7F-\xFF]/', '', $string);
It matches anything in range 0-31, 127-255 and removes it.
8 bit extended ASCII?
You fell into a Hot Tub Time Machine, and you're back in the eighties.
If yo...
Sort a single String in Java
Is there a native way to sort a String by its contents in java? E.g.
10 Answers
10
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How can I display an RTSP video stream in a web page?
I have an ip camera which provides a live RTSP video stream. I can use VLC media player to view the feed by providing it with the URL:
...
How do you make a HTTP request with C++?
...t contains a 1 or a 0. Is it also possible to download the contents into a string?
22 Answers
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Can I mask an input text in a bat file?
...ate the "echo -n" command from the bash shell. It sets passwd to an empty string as an irrelevant side effect and doesn't wait for input since it's taking its input from the nul: device.
The "for /f "delims=" %%i in ('cscript /nologo getpwd.vbs') do set passwd=%%i" statement is the trickiest bit. ...
In Bash, how do I add a string after each line in a file?
How do I add a string after each line in a file using bash? Can it be done using the sed command, if so how?
6 Answers
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Nginx Different Domains on Same IP
.... I tend to have one file per real domain. Each of which might contain multiple server blocks.
– aychedee
Jun 28 '13 at 15:19
5
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What are the differences between Rust's `String` and `str`?
Why does Rust have String and str ? What are the differences between String and str ? When does one use String instead of str and vice versa? Is one of them getting deprecated?
...
How much is the overhead of smart pointers compared to normal pointers in C++?
... the iteration is done you'll know you have to erase it. So you could gain extra memory from not using a smart_ptr...
But do you really want to do that?
A single memory leak could make your product have a point of failure in time (let's say your program leaks 4 megabytes each hour, it would take mon...