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How to start an application without waiting in a batch file?
...g should work, it's very likely you're leaving out some quotes (or putting extras in).
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Usage of __slots__?
...Unifying types and classes in Python 2.2
If you subclass a built-in type, extra space is automatically added to the instances to accomodate __dict__ and __weakrefs__. (The __dict__ is not initialized until you use it though, so you shouldn't worry about the space occupied by an empty dictionary for...
How to detect if a specific file exists in Vimscript?
...t g:hasVundle = 1 endif
filereadable is what is required, but there's an extra handy step of expand, should you be using ~ in your path:
:function! SomeCheck()
: if filereadable(expand("SpecificFile"))
: echo "SpecificFile exists"
: endif
:endfunction
For example
:echo filereadabl...
Pimpl idiom vs Pure virtual class interface
... important. It's appropriate for it to be a key in a std::map. Example, a "string" class, or a "date" class, or a "complex number" class. To "copy" instances of such a class makes sense.
An Entity type
Identity is important. Always passed by reference, never by "value". Often, doesn't make sense t...
Getting distance between two points based on latitude/longitude
...nit.MILES)
>> 243.71201856934454 # in miles
# you can also use the string abbreviation for units:
haversine(lyon, paris, unit='mi')
>> 243.71201856934454 # in miles
haversine(lyon, paris, unit=Unit.NAUTICAL_MILES)
>> 211.78037755311516 # in nautical miles
They claim to have ...
Performance difference for control structures 'for' and 'foreach' in C#
...date. I did a small test, just to see. Here is the code:
static void Main(string[] args)
{
List<int> intList = new List<int>();
for (int i = 0; i < 10000000; i++)
{
intList.Add(i);
}
DateTime timeStarted = DateTime.Now;
for (int i = 0; i < intList...
Are the PUT, DELETE, HEAD, etc methods available in most web browsers?
...
@Mirich the form only supports POST. So we send POST with extra data, which the server knows means: ah, I should treat this like a PUT.
– Ciro Santilli 郝海东冠状病六四事件法轮功
Aug 24 '18 at 7:17
...
WatiN or Selenium? [closed]
...
{
IE _ie = null;
object _lock = new object();
IE GetInstance(string UrlFragment)
{
lock (_lock)
{
if (_ie == null)
{
var instances = new IECollection(true); //Find all existing IE instances
var match = instanc...
Line continuation for list comprehensions or generator expressions in python
...t appears at the end of a line, where it either doesn't stand out or needs extra padding, which has to be fixed when line lengths change:
x = very_long_term \
+ even_longer_term_than_the_previous \
+ a_third_term
In such cases, use parens:
x = (very_long_term
+ even_...
How do I access the request object or any other variable in a form's clean() method?
...y.
A much better way is to override the form's __init__ method to take an extra keyword argument, request. This stores the request in the form, where it's required, and from where you can access it in your clean method.
class MyForm(forms.Form):
def __init__(self, *args, **kwargs):
se...