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No generic implementation of OrderedDictionary?
... private KeyedCollection2<TKey, KeyValuePair<TKey, TValue>> _keyedCollection;
/// <summary>
/// Gets or sets the value associated with the specified key.
/// </summary>
/// <param name="key">The key associated with the value to get or...
What's invokedynamic and how do I use it?
... as syntax sugar for reflective method calls. It can have very interesting applications. see http://www.infoq.com/presentations/Statically-Dynamic-Typing-Neal-Gafter
Neal Gafter, who's responsible for C#'s dynamic type, just defected from SUN to MS. So it's not unreasonable to think that the same t...
What is the iBeacon Bluetooth Profile
I'd like to create my own iBeacon with some Bluetooth Low Energy dev kits. Apple has yet to release a specification for iBeacons, however, a few hardware developers have reverse Engineered the iBeacon from the AirLocate Sample code and started selling iBeacon dev kits.
...
How to deal with SettingWithCopyWarning in Pandas?
...H5390 and GH5597 for background discussion.]
df[df['A'] > 2]['B'] = new_val # new_val not set in df
The warning offers a suggestion to rewrite as follows:
df.loc[df['A'] > 2, 'B'] = new_val
However, this doesn't fit your usage, which is equivalent to:
df = df[df['A'] > 2]
df['B'] = ...
How to decorate a class?
...r specific scenario, YMMV :-)
What you're thinking of is a metaclass. The __new__ function in a metaclass is passed the full proposed definition of the class, which it can then rewrite before the class is created. You can, at that time, sub out the constructor for a new one.
Example:
def substitu...
Stop pip from failing on single package when installing with requirements.txt
...optional dependencies:
#!/bin/sh
while read dependency; do
dependency_stripped="$(echo "${dependency}" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
# Skip comments
if [[ $dependency_stripped == \#* ]]; then
continue
# Skip blank lines
elif [ -z "$dependency_str...
What is the best way to do GUIs in Clojure?
...st on a higher level of abstraction, if any? Does Clojure somehow make the applications look less outdated, or does it somehow improve all the areas in which Swing is weak? I am talking about bindings and MVC and all that "new" stuff, which Swing does now offer per se. Is it somehow fixed by languag...
How to modify a global variable within a function in bash?
...mysecondfunc() {
echo "Hello"
return 4
}
var="$(mysecondfunc)"
num_var=$?
echo "$var - num is $num_var"
Gives:
Hello - num is 4
share
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fo...
Python Logging (function name, file name, line number) using a single file
...wise it would
# be this function!!!
func = inspect.currentframe().f_back.f_code
# Dump the message + the name of this function to the log.
logging.debug("%s: %s in %s:%i" % (
message,
func.co_name,
func.co_filename,
func.co_firstlineno
))
This...
How to customize an end time for a YouTube video?
...om http://www.youtubestartend.com/
They provide a link into
https://xxxx.app.goo.gl/yyyyyyyyyy
e.g. https://v637g.app.goo.gl/Cs2SV9NEeoweNGGy9
Link contain forward to format like this
https://www.youtube.com/embed/xyzabc123?start=17&end=21&version=3&autoplay=1
...