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In pure functional languages, is there an algorithm to get the inverse function?
...he functional languages have that option. For example:
f :: a -> Int
f _ = 1
This function does not have an inverse.
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Best way to create a simple python web service [closed]
...t you can use it with wsgi in different environments (cgi, fcgi, apache/mod_wsgi or with a plain simple python server for debugging).
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href image link download on click
...
<a href="download.php?file=path/<?=$row['file_name']?>">Download</a>
download.php:
<?php
$file = $_GET['file'];
download_file($file);
function download_file( $fullPath ){
// Must be fresh start
if( headers_sent() )
die('Headers Sent');
...
Retrieve database or any other file from the Internal Storage using run-as
... databases.tar
adb exec-out run-as debuggable.app.package.name tar c shared_prefs/ > shared_prefs.tar
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Unsubscribe anonymous method in C#
...approach:
public class SomeClass
{
private readonly IList<Action> _eventList = new List<Action>();
...
public event Action OnDoSomething
{
add {
_eventList.Add(value);
}
remove {
_eventList.Remove(value);
}
}
}
Override the event add/remove met...
“Code too large” compilation error in Java
... of a method must not be bigger than 65536 bytes:
The value of the code_length item gives the number of bytes in the code array for this method.
The value of code_length must be greater than zero (as the code array must not be empty) and less than 65536.
code_length defines the size of th...
The forked VM terminated without saying properly goodbye. VM crash or System.exit called
... edited Aug 27 '18 at 7:30
s__
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answered Aug 27 '18 at 6:41
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How can I see the raw SQL queries Django is running?
...he specified, builtin Pythonian str() function, which invokes the internal __str__() method. e.g. str(MyModel.objects.filter(name="my name").query) I would also recommend using IPython and the Django shell of your project. Tab completion then provides object introspection. As Django is known for it...
Eclipse Kepler for OS X Mavericks request Java SE 6
...ymlink (details):
sudo mkdir -p /Library/Java/JavaVirtualMachines/jdk1.8.0_*.jdk/Contents/Home/bundle/Libraries
sudo ln -s /Library/Java/JavaVirtualMachines/jdk1.8.0_*.jdk/Contents/Home/jre/lib/server/libjvm.dylib /Library/Java/JavaVirtualMachines/jdk1.8.0_*.jdk/Contents/Home/bundle/Libraries/
sudo...
What characters are allowed in an email address?
... A to Z and a to z;
digits 0 to 9;
special characters !#$%&'*+-/=?^_`{|}~;
dot ., provided that it is not the first or last character unless quoted, and provided also that it does not appear consecutively unless quoted (e.g. John..Doe@example.com is not allowed but "John..Doe"@example.com ...