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Find current directory and file's directory [duplicate]
...h) (returns "the directory name of pathname path")
os.getcwd() (returns "a string representing the current working directory")
os.chdir(path) ("change the current working directory to path")
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How to round to 2 decimals with Python?
...en(str(val))-1), digits)
Basically this adds a really small value to the string to force it to round up properly on the unpredictable instances where it doesn't ordinarily with the round function when you expect it to. A convenient value to add is 1e-X where X is the length of the number string y...
OS specific instructions in CMAKE: How to?
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STREQUAL accepts variables (in addition to string) as first operand, so it could be the more concise if(CMAKE_SYSTEM_NAME STREQUAL "Linux")...
– Ad N
Jul 6 at 14:37
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Is there a standard way to list names of Python modules in a package?
...name) => ["module1_name", "module2_name"]. I suppose I could parse the string returned by help, but that seems more roundabout than listing the directory.
– DNS
Jan 28 '09 at 21:56
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What is a method that can be used to increment letters?
...
Simple, direct solution
function nextChar(c) {
return String.fromCharCode(c.charCodeAt(0) + 1);
}
nextChar('a');
As others have noted, the drawback is it may not handle cases like the letter 'z' as expected. But it depends on what you want out of it. The solution above will re...
What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
... in C++11, where it is specified as containing "an implementation-defined string" (C++11 §8.4.1[dcl.fct.def.general]/8), which is not quite as useful as the specification in C. (The original proposal to add __func__ to C++ was N1642).
__FUNCTION__ is a pre-standard extension that some C compilers ...
Difference between attr_accessor and attr_accessible
...stname" and "role" :
SQL instructions :
CREATE TABLE users (
firstname string,
lastname string
role string
);
I assumed that you set the option config.active_record.whitelist_attributes = true in your config/environment/production.rb to protect your application from Mass assignment exploit...
jQuery Ajax calls and the Html.AntiForgeryToken()
... it from the hidden input literal that the MVC Helper generates. The Magic string that is the header name is defined as a constant in the attribute class.
<script type="text/javascript">
$(document).ready(function () {
var isAbsoluteURI = new RegExp('^(?:[a-z]+:)?//', 'i');
...
Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
...bers
[...Array(5).keys()];
=> [0, 1, 2, 3, 4]
Character iteration
String.fromCharCode(...[...Array('D'.charCodeAt(0) - 'A'.charCodeAt(0) + 1).keys()].map(i => i + 'A'.charCodeAt(0)));
=> "ABCD"
Iteration
for (const x of Array(5).keys()) {
console.log(x, String.fromCharCode('A'.c...
How do I get the directory that a program is running from?
...
This is from the cplusplus forum
On windows:
#include <string>
#include <windows.h>
std::string getexepath()
{
char result[ MAX_PATH ];
return std::string( result, GetModuleFileName( NULL, result, MAX_PATH ) );
}
On Linux:
#include <string>
#include <lim...