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How to get a substring between two strings in PHP?
...le use:
echo getBetween("abc","a","c"); // returns: 'b'
echo getBetween("hello","h","o"); // returns: 'ell'
echo getBetween("World","a","r"); // returns: ''
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How to communicate between iframe and the parent site?
...ing.
For example in the top window:
myIframe.contentWindow.postMessage('hello', '*');
and in the iframe:
window.onmessage = function(e){
if (e.data == 'hello') {
alert('It works!');
}
};
If you are posting message from iframe to parent window
window.top.postMessage('hello', ...
Android Hello-World compile error: Intellij cannot find aapt
I'm trying to get set up with an Android development environment using IntelliJ in Ubuntu 12.04. I create an Android Application Module, but when I try to build, I get the following error:
...
JavaScript/regex: Remove text between parentheses
...
"Hello, this is Mike (example)".replace(/ *\([^)]*\) */g, "");
Result:
"Hello, this is Mike"
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Why use sprintf function in PHP?
...nts to display. e.g. sprintf('%2$s %1$s, my name is also %1$s.', 'World', 'Hello'); resulting in Hello World, my name is also World.
– Will B.
May 17 '17 at 1:41
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Check if an apt-get package is installed and then install it if it's not on Linux
...s still present even after --purge.
I don't understand why, but with the hello package the second dpkg after apt remove shows that he package has already been removed without --purge:
dpkg-query: package 'hello' is not installed and no information is available
The documentations are also very u...
Conveniently Declaring Compile-Time Strings in C++
...it, and what it can do:
int
main()
{
constexpr str_const my_string = "Hello, world!";
static_assert(my_string.size() == 13, "");
static_assert(my_string[4] == 'o', "");
constexpr str_const my_other_string = my_string;
static_assert(my_string == my_other_string, "");
constexp...
How do I make an attributed string using Swift?
...nitialize with a string only
let attrString1 = NSAttributedString(string: "Hello.")
// Initialize with a string and inline attribute(s)
let attrString2 = NSAttributedString(string: "Hello.", attributes: [NSAttributedString.Key.myName: "A value"])
// Initialize with a string and separately declared...
How do I use the lines of a file as arguments of a command?
...to provide that specificity. The goal is to iterate over lines, right? Put Hello World on one line. You'll see it first run some_command Hello, then some_command World, not some_command "Hello World" or some_command Hello World.
– Charles Duffy
Aug 16 '19 at 2:...
Shell script to send email [duplicate]
...
Yes it works fine and is commonly used:
$ echo "hello world" | mail -s "a subject" someone@somewhere.com
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