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String output: format or concat in C#?
...
Honestly, I always concatenate since it's easier to read for me and wow it's faster :)
– puretppc
Jan 20 '14 at 2:09
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How to truncate string using SQL server
...ay. I mean SO is meant to hold answers to all kinds of questions (even the ones asking about otherwise easy to find stuff).
– jahu
Oct 13 '14 at 11:18
8
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What is a good use case for static import of methods?
... from a class can be particularly harmful to readability; if you need only one or two members, import them individually.
(https://docs.oracle.com/javase/8/docs/technotes/guides/language/static-import.html)
There are two parts I want to call out specifically:
Use static imports only when you wer...
Is there an XSLT name-of element?
...refore, in situations where a name may belong to two different namespaces, one must use the name() function in order for these names to be still distinguished.
And, BTW, it is possible to specify both functions without any argument:
name() is an abbreviation for name(.)
local-name() is an abbrev...
How can I pass arguments to a batch file?
...ent"? Then, if you don't have an answer, you should use a trick like the one of the dots. Remember that, like stated here ss64.com/nt/if.html "You can in fact use almost any character for this a '~' or curly brackets, { } or even the number 4, but square brackets tend to be chosen because they do...
How to wait for a BackgroundWorker to cancel?
...esetEvent = new AutoResetEvent(false);
public Form1()
{
InitializeComponent();
worker.DoWork += worker_DoWork;
}
public void Cancel()
{
worker.CancelAsync();
_resetEvent.WaitOne(); // will block until _resetEvent.Set() call made
}
void worker_DoWork(object sender, DoWorkEventArgs...
How do I calculate square root in Python?
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/ performs an integer division in Python 2:
>>> 1/2
0
If one of the numbers is a float, it works as expected:
>>> 1.0/2
0.5
>>> 16**(1.0/2)
4.0
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improve ...
What is syntax for selector in CSS for next element?
... the p that comes just after h1.hc-reform. Then again it might be the only one that the clear: both needs to be applied on for it to work since it simply clears the h1 float, so it's still a valid answer.
– BoltClock♦
Sep 7 '10 at 15:25
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How to easily map c++ enums to strings
...be nice to be able to accept multiple arguments for operator[]. but sadly, one cannot do that. x[a, b] evaluate to x[b] . the (a, b) expression makes use of the comma operator. so it is equivalent to ["A"]["B"]["C"] in your code. you could change it to say [eValue1]["A"][eValu..
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Naming returned columns in Pandas aggregate function? [duplicate]
...a> <lambda 1>
A
a 0 1
and then .rename(), or in one go:
In [4]: df.groupby("A").agg(b=('B', lambda x: 0), c=('B', lambda x: 1))
Out[4]:
b c
A
a 0 0
For pandas < 0.25
The currently accepted answer by unutbu describes are great way of doing this in pandas vers...