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How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”
... declared in your code using the u prefix to strings. E.g.
>>> my_u = u'my ünicôdé strįng'
>>> type(my_u)
<type 'unicode'>
Unicode strings may also come from file, databases and network modules. When this happens, you don't need to worry about the encoding.
Gotchas
C...
How does free know how much to free?
...
FYI, for example BSD has malloc_size() to reliably access the block size from an malloc()ed pointer. But there's no reliable, portable way.
– laalto
Oct 5 '09 at 7:53
...
Local variables in nested functions
...s to the function, with the code using an index to reference each cell. pet_function thus has one free variable (cage) which is then referenced via a closure cell, index 0. The closure itself points to the local variable cage in the get_petters function.
When you actually call the function, that cl...
PHP Redirect with POST data
...ple snippet on how you can achieve that:
<form id="myForm" action="Page_C.php" method="post">
<?php
foreach ($_POST as $a => $b) {
echo '<input type="hidden" name="'.htmlentities($a).'" value="'.htmlentities($b).'">';
}
?>
</form>
<script type="text/jav...
When should Flask.g be used?
...st without change to code.
The application context is popped after teardown_request is called. (Armin's presentation explains this is because things like creating DB connections are tasks which setup the environment for the request, and should not be handled inside before_request and after_request)
...
Django MEDIA_URL and MEDIA_ROOT
...
# ... the rest of your URLconf goes here ...
) + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
You no longer need if settings.DEBUG as Django will handle ensuring this is only used in Debug mode.
ORIGINAL answer for Django <= 1.6
Try putting this into your urls.py
from...
Using curl to upload POST data with files
... I think its really useful.
public function postFile()
{
$file_url = "test.txt"; //here is the file route, in this case is on same directory but you can set URL too like "http://examplewebsite.com/test.txt"
$eol = "\r\n"; //default line-break for mime type
$BOUNDARY = m...
Why does calling a function in the Node.js REPL with )( work?
..., World!"); }
hi)(
Error:
SyntaxError: Unexpected token )
at Module._compile (module.js:439:25)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)
at Function.Module.runMain (module.js:497:10)
a...
Update multiple rows in same query using PostgreSQL
... one column, it's much more generalizable:
update test as t set
column_a = c.column_a
from (values
('123', 1),
('345', 2)
) as c(column_b, column_a)
where c.column_b = t.column_b;
You can add as many columns as you like:
update test as t set
column_a = c.column_a,
column_c...
How do I find out which keystore was used to sign an app?
...
First, unzip the APK and extract the file /META-INF/ANDROID_.RSA (this file may also be CERT.RSA, but there should only be one .RSA file).
Then issue this command:
keytool -printcert -file ANDROID_.RSA
You will get certificate fingerprints like this:
MD5: B3:4F:BE:07:AA:7...