expression Questions
1
I have to do simple remove "." from the strings before doing word count. It is working fine in two statements but giving me below error while writing in single statement. Am I doing something like ...
Guillerminaguillermo asked 2/5, 2018 at 1:28
7
Solved
I've been experimenting with the mathematical abilities of Python and I came upon some interesting behavior. It's related to the following expression:
(4+4)+3/4/5*35-(3*(5+7))-6+434+5+5+5
>>...
Jacoby asked 17/2, 2012 at 20:2
4
Solved
As you know, if we simply do:
>>> a > 0
Traceback (most recent call last):
File "<pyshell#1>", line 1, in <module>
a > 0
NameError: name 'a' is not defined
Is there ...
Stifling asked 16/2, 2010 at 5:7
3
I'm trying to create dynamic SQL pulls in R. I'm using dplyr to create the pulls. However, I haven't found a way to properly convert a string to expression with dplyr.
For example, the following co...
Firstly asked 29/8 at 17:20
5
Solved
I am trying to label a plot with the following label:
"Some Assay EC50 (uM)" where the "u" is a micro symbol.
I currently have:
assay <- "Some Assay"
plot(0,xlab=expression(paste(assay," AC5...
Luminosity asked 25/2, 2013 at 18:46
3
Solved
What is the best way to write a symbolic expression to a txt file (so that I can use the symbolic expression after reading the txt file)?
Is there a sympy equivalent of numpy's savetxt() function...
Schleswig asked 8/7, 2013 at 0:16
4
Solved
Let's assume that I've two classes : CD and CDModel, and the mapping is defined as follows:
Mapper.CreateMap<CDModel, CD>()
.ForMember(c => c.Name, opt => opt.MapFrom(m => m.Title))...
Brogle asked 25/7, 2011 at 11:52
4
Solved
I've came across this code:
var rectangle = new Rectangle(420, 69);
var newOne = rectangle with { Width = 420 }
I was wondering about with keyword in C# code. What is it for? And how can it be use...
Satisfy asked 18/10, 2021 at 13:13
19
Solved
In Python, what is the difference between expressions and statements?
Horntail asked 18/1, 2011 at 19:19
11
Solved
I am trying to use the youtube data api to generate a video playlist.
However, the video urls require a format of:
youtube.com/watch?v=3sZOD3xKL0Y
but what the api generates is:
youtube.com/w...
Aspidistra asked 10/1, 2011 at 21:59
11
Solved
Is there a way in JavaScript to get Boolean value for a match of the string against the array of regular expressions?
The example would be (where the 'if' statement is representing what I'm trying...
Evapotranspiration asked 14/4, 2012 at 9:50
6
Solved
I have following Spring job to run after every 30 minutes. Please check my cron expression, is that correct?
0 0 0 * * 30
Here is a full cron job definition from the related Spring configuration f...
Giovanna asked 2/11, 2011 at 10:55
3
Solved
I need to pass a instance (which will be created in this very moment) of a certain type to a method. This type offers several events which I'd like to subscribe to too, so my code looks like this:
...
Cady asked 25/7, 2014 at 8:45
4
Solved
I have been breaking my head on this for sometime now.
In javascript I have a string expression where I need to remove the spaces between '[' and ']'.
For example the expression can be :-
"[firs...
Katykatya asked 20/5, 2013 at 6:56
4
Solved
I have the following code:
var o = {};
o.a = 1;
var _value = 1;
Object.defineProperty(o,"a",{
set: function(value){
_value = value + 1;
console.log("log: ", value, _value);
return _value;
},...
Trinitytrinket asked 27/10, 2014 at 6:15
7
I am a beginner at C#. I am facing a problem while converting a string to a mathematical expression. I have a UI where user can create formula using random formula field. And in another UI user wil...
Maintopmast asked 13/2, 2014 at 9:58
10
I searched a lot, but nowhere is it written how to remove non-ASCII characters from Notepad++.
I need to know what command to write in find and replace (with picture it would be great).
If I wan...
Chide asked 2/1, 2014 at 19:8
3
I am very new to the regular expression arena. Recently I searched for a regular expression for Powershell that allows me to match a html tag and I found the following in this site.
$content -matc...
Lowboy asked 7/6, 2012 at 8:3
7
Solved
Why is a Func<> created from an Expression<Func<>> via .Compile() considerably slower than just using a Func<> declared directly ?
I just changed from using a Func<IInte...
Unideaed asked 18/11, 2010 at 3:27
7
Solved
I would like to find a javascript parser that can handle and evaluate simple expressions. The parser should be able to evaluate the regular mathematical expressions, and support custom functi...
Chitterlings asked 27/6, 2009 at 9:17
14
In C++03, an expression is either an rvalue or an lvalue.
In C++11, an expression can be an:
rvalue
lvalue
xvalue
glvalue
prvalue
Two categories have become five categories.
What are these new c...
Undersell asked 30/8, 2010 at 15:2
4
Solved
I'm seeking for a way to negate an expression used to filter IQueryable sequences.
So, I've got something like:
Expression<Func<T, bool>> expression = (x => true);
Now I wish to ...
Wolenik asked 11/12, 2010 at 15:36
2
I know that Polars Expressions are column-wise parallelized for reading and calculating and input/change data in a DataFrame.
So, it's very fast...
However, I cannot find the Polars Expression that...
Lowestoft asked 5/4, 2023 at 9:24
7
Solved
Say I have a string, $char. $char == "*".
I also have two variables, $a and $b, which equal "4" and "5" respectively.
How do I get the result of $a $char $b, ie 4 * 5 ?
Thanks :)
Ampereturn asked 25/4, 2011 at 16:26
4
Solved
I want a cron expression that represents 6th September 2010 6:00 am
Suggs asked 8/9, 2010 at 7:19
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