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Scala actors: receive vs react
...ead until it receives something. Once it receives something, a thread gets allocated to it, and it is initialized in it.
Now, the initialization part is important. A receiving thread is expected to return something, a reacting thread is not. So the previous stack state at the end of the last react ...
Typescript: difference between String and string
...e of String. You probably never need to use it, string literals are universally accepted as being the correct way to initialise a string. In JavaScript, it is also considered better to use object literals and array literals too:
var arr = []; // not var arr = new Array();
var obj = {}; // not var o...
Is python's sorted() function guaranteed to be stable?
...s what is expected in this case? Python is going to compare tuples through all elements by default, not just the first "primary" one. If you only want to sort on the first element, you can pass the key parameter explicitly.
– Matias Grioni
Nov 30 '17 at 3:52
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Assign pandas dataframe column dtypes
... of multiple columns in pd.Dataframe (I have a file that I've had to manually parse into a list of lists, as the file was not amenable for pd.read_csv )
...
Function pointers, Closures, and Lambda
...s, "Hey, this is kinda like a closure." I knew this assumption is fundamentally wrong somehow and after a search online I didn't find really any analysis of this comparison.
...
difference between iframe, embed and object elements
...before that it was a non standard tag, which admittedly was implemented by all major browsers. Behaviour prior to HTML 5 can vary ...
The embed element provides an integration point for an external (typically non-HTML) application or interactive content. (HTML 5 standard - "The <embed> elemen...
Can you list the keyword arguments a function receives?
...)
(['a', 'b', 'c'], 'args', 'kwargs', (42,))
If you want to know if its callable with a particular set of args, you need the args without a default already specified. These can be got by:
def getRequiredArgs(func):
args, varargs, varkw, defaults = inspect.getargspec(func)
if defaults:
...
What is the difference between “screen” and “only screen” in media queries?
... to apply these styles. At that size you would be talking about anything smaller than a desktop screen in most cases.
@media screen and (max-width:632px)
This one is saying for a device with a screen and a window with max-width of 632px apply the style. This is almost identical to the above exce...
C# Thread safe fast(est) counter
...ent locks the bus to prevent another CPU from accessing the bus while the calling CPU does its operation. Now, take a look at the C# lock() statement's IL. Here you will see calls to Monitor in order to begin or end a section.
In other words, .Net lock() statement is doing a lot more than the .Ne...
How can I add “href” attribute to a link dynamically using JavaScript?
How can I add the href attribute to a link dynamically using JavaScript?
4 Answers
4...