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Queue.Queue vs. collections.deque
... for high-speed inter-thread communication.
In fact the heavy usage of an extra mutex and extra method ._get() etc. method calls in Queue.py is due to backwards compatibility constraints, past over-design and lack of care for providing an efficient solution for this important speed bottleneck issue...
Guaranteed lifetime of temporary in C++?
...Schaub: What is a "full-expression" in this case: printf("%s", strdup(std::string("$$$").c_str()) ); ?I mean if strdup(std::string("$$$").c_str()) is taken as the full expression, then the pointer that strdup sees is valid. If std::string("$$$").c_str() is a full expression, then the pointer that st...
map function for objects (instead of arrays)
...
There is no need to add an extra HTTP call and an extra library just for one function. In any case, this answer is now outdated and you can simply call Object.entries({a: 1, b: 2, c: 3}) to get an array.
– user6269864
...
How to create a .NET DateTime from ISO 8601 format
...le to parse only a limited subset of it. Especially it is a problem if the string contains time zone specification. (Neither it does for basic ISO8601 formats, or reduced precision formats - however this is not exactly your case.) That is why I make use of custom format strings when it comes to pars...
Export specific rows from a PostgreSQL table as INSERT SQL script
...y) and add it as the 'driver' of the postgresql conneciton. The connection string (or URL as in the interface) should look like that: jdbc:postgresql://127.0.0.1:5432/db_name
– mrmuggles
Jul 13 '16 at 6:30
...
How do I disable the “Press ENTER or type command to continue” prompt in Vim?
...
In line with commenter below (who suggested to add extra <CR> at the end of command), when using silent, you can add extra <C-l>, so that you do not have to press it manually. Works with screen well, then.
– Victor Farazdagi
...
How to find a Java Memory Leak
...jects to stick in memory"? I see very general things like int[], Object[], String, etc. How do I find where they come from?
– Vituel
Apr 19 '17 at 14:49
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Android – Listen For Incoming SMS Messages
...SMS message passed in---
SmsMessage[] msgs = null;
String msg_from;
if (bundle != null){
//---retrieve the SMS message received---
try{
Object[] pdus = (Object[]) bundle.get("pdus");
msgs = ne...
What is the correct way to document a **kwargs parameter?
...onal content
"""
The r"""...""" is required to make this a "raw" docstring and thus keep the \* intact (for Sphinx to pick up as a literal * and not the start of "emphasis").
The chosen formatting (bulleted list with parenthesized type and m-dash-separated description) is simply to match the...
Referring to the null object in Python
...Empty()
>>> empty==None
True
But then it also works on the empty string
>>> empty==''
True
And yet
>>> ''==None
False
>>> empty is None
False
Case 2: Using None as a boolean
The following two tests
if value:
# Do something
if not value:
# Do something
...