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How do you test functions and closures for equality?
...k, and now you can cast it to an AnyObject which is comparable with ===. Example:
typealias Ftype = @objc_block (s:String) -> ()
let f : Ftype = {
ss in
println(ss)
}
let ff : Ftype = {
sss in
println(sss)
}
let obj1 = unsafeBitCast(f, Any...
How to create GUID / UUID?
...a UUID from Truly Random or Pseudo-Random Numbers: rfc-archive.org/getrfc.php?rfc=4122
– Jason DeFontes
Sep 19 '08 at 20:28
9
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Can I mix MySQL APIs in PHP?
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@cHao not only that, but PHP will close any open MySQL connections when the script exits
– Explosion Pills
Jul 5 '13 at 23:56
1
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Have nginx access_log and error_log log to STDOUT and STDERR of master process
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In docker image of PHP-FPM, i've see such approach:
# cat /usr/local/etc/php-fpm.d/docker.conf
[global]
error_log = /proc/self/fd/2
[www]
; if we send this to /proc/self/fd/1, it never appears
access.log = /proc/self/fd/2
...
What is the copy-and-swap idiom?
...lptr)
{
}
// copy-constructor
dumb_array(const dumb_array& other)
: mSize(other.mSize),
mArray(mSize ? new int[mSize] : nullptr),
{
// note that this is non-throwing, because of the data
// types being used; more attention to detail with reg...
How to enable curl, installed Ubuntu LAMP stack?
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From http://buzznol.blogspot.com/2008/12/install-curl-extension-for-php-in.html:
sudo apt-get install php5-curl
After installing libcurl you should restart the web server with one of the following commands,
sudo /etc/init.d/apache2 restart OR sudo service apache2 restart
...
How can I start PostgreSQL server on Mac OS X?
...g commands to determine which package manager it was installed with:
brew && brew list|grep postgres
fink && fink list|grep postgres
port && port installed|grep postgres
share
|
...
How to open standard Google Map application from my application?
.../maps.google.com/maps?saddr=" + sourceLatitude + "," + sourceLongitude + "&daddr=" + destinationLatitude + "," + destinationLongitude;
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(uri));
startActivity(intent);
or you can make sure that the Google Maps app only is used, this stops t...
Hash function that produces short hashes?
...runcate the result to the desired length, which may be good enough.
For example, in Python:
>>> import hashlib
>>> hash = hashlib.sha1("my message".encode("UTF-8")).hexdigest()
>>> hash
'104ab42f1193c336aa2cf08a2c946d5c6fd0fcdb'
>>> hash[:10]
'104ab42f11'
...
Error handling in Bash
What is your favorite method to handle errors in Bash?
The best example of handling errors I have found on the web was written by William Shotts, Jr at http://www.linuxcommand.org .
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