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How to handle configuration in Go [closed]
...o tell the user where the error was, various edge cases and what not.
For base configuration (api keys, port numbers, ...) I've had very good luck with the gcfg package. It is based on the git config format.
From the documentation:
Sample config:
; Comment line
[section]
name = value # Another c...
RE error: illegal byte sequence on Mac OS X
...C treats strings as if each byte were its own character (no interpretation based on encoding rules is performed), with no regard for the - multibyte-on-demand - UTF-8 encoding that OS X employs by default, where foreign characters have multibyte encodings.
In a nutshell: setting LC_CTYPE to C cause...
Async/await vs BackgroundWorker
...h a process that's just waiting for results to become available.
The async-based approach to asynchronous programming is preferable to existing approaches in almost every case. In particular, this approach is better than BackgroundWorker for IO-bound operations because the code is simpler and you do...
How do I use a PriorityQueue?
...n the Priority Queue (having capacity 5) we can provide inline comparator (based on length of String) :
Using lambda expression
PriorityQueue<String> pq=
new PriorityQueue<String>(5,(a,b) -> a.length() - b.length());
Using Method reference
PriorityQueue<St...
MySQL InnoDB not releasing disk space after deleting data rows from table
...ver to use innodb_file_per_table, but this will require a backup, drop database and restore. The positive side is that the .ibd file for the table is reduced after an optimize table.
share
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improve...
Copy folder recursively, excluding some folders
...
For RHEL derived distros: yum install rsync, or on Debian-based releases: apt-get install rsync . Unless you're building your server from absolute base on your own hardware, this is a non-issue. rsync is installed by default on my Amazon EC2 boxes, as well and my boxes from ZeroLa...
MySQL vs PostgreSQL for Web Applications [closed]
...n change rapidly from version to version, so before you go choosing a DBMS based on the advice below, do some research to see if it's still accurate.
Check for newer answers below.
Better?
MySQL is much more commonly provided by web hosts.
PostgreSQL is a much more mature product.
There's this...
Python function attributes - uses and abuses [closed]
...ciated data together:
#!/usr/bin/env python
SW_DELTA = 0
SW_MARK = 1
SW_BASE = 2
def stopwatch():
import time
def _sw( action = SW_DELTA ):
if action == SW_DELTA:
return time.time() - _sw._time
elif action == SW_MARK:
_sw._time = time.time()
retur...
Should I put input elements inside a label element?
...t is wise anymore:
Checkboxes and radios use are built to support HTML-based form validation and provide concise, accessible labels. As such, our <input>s and <label>s are sibling elements as opposed to an <input> within a <label>. This is slightly more verbose as you mus...
How to delete a row by reference in data.table?
... of the table would still be quite inefficient compared to a row store database such as SQL, which is more suited for fast insert and delete of rows wherever those rows are in the table. But still, it would be a lot faster than copying a new large object without the deleted rows.
On the other hand,...