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Draw radius around a point in Google map
...rker, meaning a circle that behaves appropriately while zooming. I have no idea how to do that and it seems it's not something common.
...
Using emit vs calling a signal as if it's a regular function in Qt
...example a foo signal with no parameters generates this member function:
void W::foo()
{
QMetaObject::activate(this, &staticMetaObject, 0, 0);
}
And the code emit foo(); is pre-processed to simply foo();
emit is defined in Qt/qobjectdefs.h (in the open-source flavor of the source anyway),...
Javascript: Extend a Function
...
With a wider view of what you're actually trying to do and the context in which you're doing it, I'm sure we could give you a better answer than the literal answer to your question.
But here's a literal answer:
If you're assigning ...
filter items in a python dictionary where keys contain a specific string
...user iteritems to skip the value lookup, and I hate nested ifs if I can avoid them:
for key, val in d.iteritems():
if filter_string not in key:
continue
# do something
However if you realllly want something to let you iterate through a filtered dict then I would not do the two ste...
git remove merge commit from history
...g the commits resulted in losing all the modification of the merge. But I did a soft reset and I've been able to have something quite like I wanted (order do not match initial expectations).
– Benjamin Toueg
Jul 10 '13 at 18:35
...
Why use Ruby's attr_accessor, attr_reader and attr_writer?
...e
@age
end
Knowing that, here's another way to think about it: If you did not have the attr_... helpers, and had to write the accessors yourself, would you write any more accessors than your class needed? For example, if age only needed to be read, would you also write a method allowing it to b...
How to npm install to a specified directory?
...g that I have noticed on Mac that it creates a symlink to parent folder inside the node_modules directory. But, it still works.
NOTE: NPM honours the path that you've specified through the --prefix option. It resolves as per npm documentation on folders, only when npm install is used without the --p...
Why declare unicode by string in python?
... reads the characters in the file.
In general, it's probably not the best idea to embed high unicode characters into your file no matter what the encoding is; you can use string unicode escapes, which work in either encoding.
When you declare a string with a u in front, like u'This is a string',...
Git merge left HEAD marks in my files
...
@lowerkey, please also consider reading a book on the topic. I would recommend to read that book in its entirety as you appear to lack certain basic knowledge about how VCSes work and it's better to get yourself prepared for possible problems in the fu...
Display image as grayscale using matplotlib
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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