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How can you hide database output in Rails console?
In newer version of Rails, I'm guessing from 3 up, database queries are output to the console. This is useful most of the time, but how can you hide it when you do not want to see it?
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Is there a C++ gdb GUI for Linux? [closed]
... local and remote processes.
If your not familiar with using an Eclipse based IDE, the GUI will take a little getting used to. However, once you get to understand the GUI ideas that are unique to Eclipse (e.g. a perspective), using the tool becomes a nice experience.
The CDT tooling provides a ...
Java Byte Array to String to Byte Array
...he bytes as raw data (as binary) instead of a string, or perhaps even as a Base64 string, which would only require you to convert it back as a base 256 (binary) value.
– Yanick Rochon
Feb 4 '13 at 17:06
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Why no love for SQL? [closed]
... it seems that every framework under the sun comes pre-packaged with a database abstraction layer.
29 Answers
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Most efficient way to create a zero filled JavaScript array?
...rays - with 1M elements - you can perform test HERE
Conclusions
solution based on new Array(n)+for (N) is fastest solution for small arrays and big arrays (except Chrome but still very fast there) and it is recommended as fast cross-browser solution
solution based on new Float32Array(n) (I) return...
How to debug an apache virtual host configuration?
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Syntax check
To check configuration files for syntax errors:
# Red Hat-based (Fedora, CentOS) and OSX
httpd -t
# Debian-based (Ubuntu)
apache2ctl -t
# MacOS
apachectl -t
List virtual hosts
To list all virtual hosts, and their locations:
# Red Hat-based (Fedora, CentOS) and OSX
httpd -S
# Deb...
Relative paths based on file location instead of current working directory [duplicate]
...ir; necessary for correct resolution of target path.
fname=$(command basename -- "$target") # Extract filename.
[[ $fname == '/' ]] && fname='' # !! curiously, `basename /` returns '/'
if [[ -L $fname ]]; then
# Extract [next] target path, which is defined
#...
The modulo operation on negative numbers in Python
...thon, modulo operator works like this.
>>> mod = n - math.floor(n/base) * base
so the result is (for your case):
mod = -5 - floor(-1.25) * 4
mod = -5 - (-2*4)
mod = 3
whereas other languages such as C, JAVA, JavaScript use truncation instead of floor.
>>> mod = n - int(n/base) * ...
Using HTML and Local Images Within UIWebView
...IWebView. Instead you have to load the HTML into the view with the correct baseURL:
NSString *path = [[NSBundle mainBundle] bundlePath];
NSURL *baseURL = [NSURL fileURLWithPath:path];
[webView loadHTMLString:htmlString baseURL:baseURL];
You can then refer to your images like this:
<img src="m...
Generating all permutations of a given string
... all the permutations of the remaining letters using a recursive call.
The base case is when the input is an empty string the only permutation is the empty string.
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