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How to work with complex numbers in C?
... Jasen, check page 182 of N1256 draft open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf#page=182 "7.3 Complex arithmetic <complex.h>". Such keyword was probably selected in C99 to not break existing c (C90) programs which implements complex by hand. If <complex.h> is included, comp...
Difference between shadowing and overriding in C#?
...accessibility and signature (e.g. parameter types and return). See http://www.geekinterview.com/question_details/19331 .
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How to send email from Terminal?
...://hints.macworld.com/article.php?story=20081217161612647
See also:
http://www.mactricksandtips.com/2008/09/send-mail-over-your-network.html
Eg:
mail -s "hello" "example@example.com" <<EOF
hello
world
EOF
This will send an email to example@example.com with the subject hello and the message
H...
Validating URL in Java
...ther a connection can be established:
try {
URL url = new URL("http://www.yoursite.com/");
URLConnection conn = url.openConnection();
conn.connect();
} catch (MalformedURLException e) {
// the URL is not in a valid form
} catch (IOException e) {
// the connection couldn't be est...
Facebook API “This app is in development mode”
...ilable to the public.
STEP 1
Open Facebook developer account
https://www.facebook.com/login/?next=https%3A%2F%2Fdevelopers.facebook.com%2Fdocs%2Ffacebook-login%2Fios
STEP 2
Select your application
STEP 3
Click the app Review tab.
Change switch value no to yes. See picture below.
...
How to wait in a batch script? [duplicate]
...
I actually found the right command to use.. its called timeout: http://www.ss64.com/nt/timeout.html
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How to split a string with any whitespace chars as delimiters
...id.au/paste/explain.pl?regex=\s%2B or http://regexper.com/#^s%2B or http://www.myezapp.com/apps/dev/regexp/show.ws?regex=\s+&env=env_java
– VonC
Jan 23 '16 at 5:59
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How to copy a file from one directory to another using PHP?
...opy all files from one folder to another using PHP
<?php
$src = "/home/www/example.com/source/folders/123456"; // source folder or file
$dest = "/home/www/example.com/test/123456"; // destination folder or file
shell_exec("cp -r $src $dest");
echo "<H2>Copy files completed!<...
How to get elements with multiple classes
...'class2'>
:
:
For entire information about selectors:
https://www.w3schools.com/jquery/jquery_ref_selectors.asp
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Difference between getDefaultSharedPreferences and getSharedPreferences
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...