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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...
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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“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP
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Recommended: Declare your variables, for example when you try to append a string to an undefined variable. Or use isset() / !empty() to check if they are declared before referencing them, as in:
//Initializing variable
$value = ""; //Initialization value; Examples
//"" When you want ...
ASP.NET Identity DbContext confusion
...', 'IdentityRole', ...
public class ApplicationRole : IdentityRole<string, ApplicationUserRole>
{
public ApplicationRole()
{
this.Id = Guid.NewGuid().ToString();
}
public ApplicationRole(string name)
: this()
{
this.Name = name;
}
// ...
Python != operation vs “is not”
... but are not identical. (They are not the same object in memory.)
Example: Strings
>>> greeting = "It's a beautiful day in the neighbourhood."
>>> a = unicode(greeting)
>>> b = unicode(greeting)
>>> a is b
False
>>> a == b
True
Note: I use unicode stri...
How to Avoid Response.End() “Thread was being aborted” Exception during the Excel file download
...entType = "text/csv"; Response.AddHeader("Content-Disposition",string.Format("attachment;filename=\"{0}\"",Path.GetFileName(filePath))); Response.TransmitFile(filePath); //Response.End(); HttpContext.Current.Response.Flush(); HttpContext.Current...
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');
...
Programmatically retrieve memory usage on iPhone
... 1048576));
} else {
NSLog(@"Error with task_info(): %s", mach_error_string(kerr));
}
}
There is also a field in the structure info.virtual_size which will give you the number of bytes available virtual memory (or memory allocated to your application as potential virtual memory in any even...
What reason is there to use null instead of undefined in JavaScript?
...mply stuff like if(x) ... . Stop it. !x will evaluate to true for an empty string, 0, null, NaN - ie things you probably don't want. If you want to write javascript that isn't awful, always use triple equals === and never use null (use undefined instead). It'll make your life way easier.
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In Python, how do I determine if an object is iterable?
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Checking for __iter__ works on sequence types, but it would fail on e.g. strings in Python 2. I would like to know the right answer too, until then, here is one possibility (which would work on strings, too):
from __future__ import print_function
try:
some_object_iterator = iter(some_object)...