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Can you explain the HttpURLConnection connection process?
... a web service. I know how to use HTTPURLConnection but I want to understand how it works. Basically, I want to know the following:
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Check if passed argument is file or directory in Bash
...n Ubuntu which would allow me to pass it either a filename or a directory, and be able to do something specific when it's a file, and something else when it's a directory. The problem I'm having is when the directory name, or probably files too, has spaces or other escapable characters are in the n...
“Insert if not exists” statement in SQLite
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If you have a table called memos that has two columns id and text you should be able to do like this:
INSERT INTO memos(id,text)
SELECT 5, 'text to insert'
WHERE NOT EXISTS(SELECT 1 FROM memos WHERE id = 5 AND text = 'text to insert');
If a record already contains a row where ...
Can I use a binary literal in C or C++?
... 2 formatting with STL streams (since setbase will only honour bases 8, 10 and 16), but you can use either a std::string version of itoa, or (the more concise, yet marginally less efficient) std::bitset.
#include <boost/utility/binary.hpp>
#include <stdio.h>
#include <stdlib.h>
#i...
What are differences between AssemblyVersion, AssemblyFileVersion and AssemblyInformationalVersion?
...sion attributes. What are differences? Is it ok if I use AssemblyVersion and ignore the rest?
7 Answers
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Warning: mysql_connect(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.
... more apps is looking in the other location for it. Find out with this command:
ls -l /tmp/mysql.sock /var/mysql/mysql.sock
Rather than move the socket, edit config files, and have to remember to keep edited files local and away from servers where the paths are correct, simply create a symbolic l...
Why is Everyone Choosing JSON Over XML for jQuery? [closed]
I thought XML is highly portable and can be used as a mini database. I have seen XML used everywhere. I even see large companies switching over to JSON . Even Microsoft has integrated support for JSON. What is all the hype over JSON?
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Difference between 'struct' and 'typedef struct' in C++?
... It's a holdover from C, in which it makes a difference.
The C language standard (C89 §3.1.2.3, C99 §6.2.3, and C11 §6.2.3) mandates separate namespaces for different categories of identifiers, including tag identifiers (for struct/union/enum) and ordinary identifiers (for typedef and other iden...
How Drupal works? [closed]
...it's procedural PHP it's purely event/listener driven in its architecture, and there's no simple "flow" in the main PHP script for you to look though. I recently did a presentation on this very subject, and the slides are posted on slideshare, but a quick high-level summary may be useful.
Drupal's...
What is a mixin, and why are they useful?
...ming Python ", Mark Lutz mentions "mixins". I'm from a C/C++/C# background and I have not heard the term before. What is a mixin?
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