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Get Base64 encode file-data from Input Form
...hat support it (Chrome, Firefox and the as-yet unreleased Safari 6), and a PHP script that echos back POSTed file data as Base64-encoded data for the other browsers.
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Can dplyr package be used for conditional mutating?
...e ifelse
df %>%
mutate(g = ifelse(a == 2 | a == 5 | a == 7 | (a == 1 & b == 4), 2,
ifelse(a == 0 | a == 1 | a == 4 | a == 3 | c == 4, 3, NA)))
Added - if_else: Note that in dplyr 0.5 there is an if_else function defined so an alternative would be to replace ifelse with if_e...
When to Redis? When to MongoDB? [closed]
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Redis. Let’s say you’ve written a site in php; for whatever reason, it becomes popular and it’s ahead of its time or has porno on it. You realize this php is so freaking slow, "I’m gonna lose my fans because they simply won’t wait 10 seconds for a page." You ha...
Save classifier to disk in scikit-learn
... objects that can be pickled and dumped like any other. To continue your example:
import cPickle
# save the classifier
with open('my_dumped_classifier.pkl', 'wb') as fid:
cPickle.dump(gnb, fid)
# load it again
with open('my_dumped_classifier.pkl', 'rb') as fid:
gnb_loaded = cPickle.loa...
Remove all special characters with RegExp
... is a bit redundant but I wanted to mention it) and the safelist in this example is digits, word characters, underscores (\w) and whitespace (\s).
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When to use static vs instantiated classes
PHP is my first programming language. I can't quite wrap my head around when to use static classes vs instantiated objects.
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Save PL/pgSQL output from PostgreSQL to a CSV file
... statement, because there is no way of connecting the input/output stream. PHP's PostgreSQL handler (not PDO) includes very basic pg_copy_from and pg_copy_to functions which copy to/from a PHP array, which may not be efficient for large data sets.
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AngularJS passing data to $http.get request
...imply add the parameters to the end of the url:
$http.get('path/to/script.php?param=hello').success(function(data) {
alert(data);
});
Paired with script.php:
<? var_dump($_GET); ?>
Resulting in the following javascript alert:
array(1) {
["param"]=>
string(4) "hello"
}...
PHP how to get local IP of system
I need to get local IP of computer like 192.*....
Is this possible with PHP?
16 Answers
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How to clone all remote branches in Git?
...hes (not feature branches) - how to fix this?
– Alex2php
Mar 20 '14 at 14:31
4
if you run into is...