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How to delete a file or folder?
...###Exception Handling
#!/usr/bin/python
import os
## Get input ##
myfile= raw_input("Enter file name to delete: ")
## Try to delete the file ##
try:
os.remove(myfile)
except OSError as e: ## if failed, report it back to the user ##
print ("Error: %s - %s." % (e.filename, e.strerror))
###...
Why are joins bad when considering scalability?
...atabase used well. There are a number of scalability-friendly ways to take raw joins and make them much faster:
Join on a surrogate key (autonumer/identity column) rather than a natural key. This means smaller (and therefore faster) comparisons during the join operation
Indexes
Materialized/indexed...
PHP: How to remove all non printable characters in a string?
...lter ASCII characters below 32
$string = filter_var($input, FILTER_UNSAFE_RAW, FILTER_FLAG_STRIP_LOW);
Filter ASCII characters above 127
$string = filter_var($input, FILTER_UNSAFE_RAW, FILTER_FLAG_STRIP_HIGH);
Strip both:
$string = filter_var($input, FILTER_UNSAFE_RAW, FILTER_FLAG_STRIP_LOW|F...
rails i18n - translating text with links inside
... Also, because output is automatically escaped, you need to either specify raw or .html_safe explicitly, or suffix your translation key with _html, as in login_message_html and escaping will be skipped automatically.
– coreyward
Jun 9 '11 at 0:16
...
Why doesn't Java allow generic subclasses of Throwable?
...ypes cannot subclass Throwable" but instead "catch clauses must always use raw types".
– Archie
Apr 19 '11 at 16:39
3
...
How to save CSS changes of Styles panel of Chrome Developer Tools?
...dits). But now, for me at least, clicking on that HTML file only shows the raw HTML without showing the new CSS rules. Is it still working for you, and if not do you have a new solution to accomplish this?
– Nucleon
May 21 '12 at 19:26
...
How can I use Guzzle to send a POST request in JSON?
...
For Guzzle <= 4:
It's a raw post request so putting the JSON in the body solved the problem
$request = $this->client->post(
$url,
[
'content-type' => 'application/json'
],
);
$request->setBody($data); #set body!
$resp...
What is a raw type and why shouldn't we use it?
...
What is a raw type?
The Java Language Specification defines a raw type as follows:
JLS 4.8 Raw Types
A raw type is defined to be one of:
The reference type that is formed by taking the name of a generic type declaration without an ac...
Storing custom objects in an NSMutableArray in NSUserDefaults
...NSUserDefaults shouldn't be used for storage of large arrays (Core Data or raw SQLite should be used for that instead), but it's perfectly fine to stash small arrays of encoded objects there. In any case, the question was asking how to do this, which is what the above code provides. As far as the vo...
How to use regex in String.contains() method in Java
...following regex:
"(?s).*\\bstores\\b.*\\bstore\\b.*\\bproduct\\b.*"
The RAW regex (remove the escaping done in string literal - this is what you get when you print out the string above):
(?s).*\bstores\b.*\bstore\b.*\bproduct\b.*
The \b checks for word boundary, so that you don't get a match f...