expression Questions
1
#include <new>
using namespace std;
void f(void*)
{}
struct A
{};
int main()
{
A a;
f((a.~A(), &a)); // OK
new (&a) A(); // OK
new ((a.~A(), &a)) A(); // error C2059: sy...
Astragal asked 27/9, 2013 at 3:12
1
Solved
I use the following expression to obtain a row number for a table in SSRS:
=RunningValue(CountDistinct("Table1"),Count,"Table1")
I also use an expression for the row visibility property. Lets ju...
Wilow asked 23/9, 2013 at 6:51
3
Solved
I followed the explanation given in the "Precedence climbing" section on this webpage to implement an arithmetic evaluator using the precedence climbing algorithm with various unary prefix and bina...
Verbose asked 3/12, 2012 at 10:27
2
Solved
Browsing the Linux kernel sources I found some piece of code where a block of statements surrounded by parenthesis is treated as a expression a la lisp (or ML), that is, an expression which value i...
Yand asked 6/8, 2009 at 10:6
1
Solved
I am trying to display a different logo based on the users franchise number.
Parameter = UserFranNr
If the value <> 99 and <> 87, then the embedded image to display is ID0. (Embedded image ...
Polypetalous asked 18/9, 2013 at 9:29
1
Solved
I want to debug an expression and save the expression tree to a file:
var generator = DebugInfoGenerator.CreatePdbGenerator();
var document = Expression.SymbolDocument(fileName: "MyDebug.txt");
va...
Cannoneer asked 15/9, 2013 at 14:5
1
Solved
I've Googled this question, and searched on SO, however I can't seem to get a straight answer.
Is this question so basic no-one has thought to ask it yet?
Can someone please explain what ex...
Preceptor asked 26/8, 2013 at 12:13
1
Solved
In my Thymeleaf template I need to set a custom attribute to a dynamically generated value. How would I do that?
I tried th:attr="name=value", but it seems to be pretty much strict about the 'valu...
Process asked 12/7, 2013 at 17:33
2
Solved
I just want to build a dynamic filters.
And finally to return
Expression<Func<Event, bool>>
I've tried to use the Combine (AndAlso) expressions, but it wasn't workin and finally I ...
Unlisted asked 22/8, 2013 at 8:18
1
Solved
I have a variable called sortColumn, which contains the text of a column that I want to sort a query result by. I also have a generic repository which takes as a parameter an Expression that contai...
Propaedeutic asked 19/8, 2013 at 18:54
3
Solved
I am getting an error when I try and combine using expression with do.call and plot.
x <- 1:10
y <- x^1.5
I can get the plot I want by using only the plot function:
plot(y~x,xlab=expre...
Bassoon asked 16/8, 2013 at 19:41
1
While I am reading page93 $5.1.2 of the C++11 standard, during which it said it is ellegal for you to use the braced-init-list in this case:
auto x=[]{return {1,2}}; //error: a braced-init-list is ...
Toilworn asked 2/8, 2013 at 5:52
3
I am currently working on a project where I have to extract the facial expression of a user (only one user at a time from a webcam) like sad or happy.
There are a lot of programs/APIs to do ...
Monday asked 7/7, 2013 at 15:20
2
Solved
According to this precedence table, the comma operator is left-associative. That is, a, b, c is parsed as (a, b), c. Is that a necessity? Wouldn't a, (b, c) have the exact same behavior?
Broadway asked 23/12, 2012 at 11:29
1
Solved
Is there a clean way to do this?
Expression<Func<int, string>> exTyped = i => "My int = " + i;
LambdaExpression lambda = exTyped;
//later on:
object input = 4;
object result = Exe...
Valarievalda asked 31/7, 2013 at 21:56
1
I don't have a compilers background so I am not sure if this is a commmon thing in that area. Are there any standard techniques to parse expressions like this? (Say, tab indicates the depth)
And
...
Hessler asked 29/7, 2013 at 18:42
3
Solved
Let's suppose I have defined Func as follows:
Func<MyClass, object> f = o => o.StringProperty;
or
Func<MyClass, object> f = o => o.Property.SomeMethod();
Is there way to get...
Junia asked 24/7, 2013 at 14:29
3
Solved
I'm attempting to convert some C# code to F#. Specifically, I'm attempting to convert some code using Hyprlinkr to F#.
The C# code looks like this:
Href = this.linker.GetUri<ImagesController&g...
Sorensen asked 17/7, 2013 at 7:1
1
Solved
The documentation of the expression parameter of Expression.PropertyOrField states that it can be null for static members:
An Expression whose Type contains a property or field named propertyOrF...
Jack asked 17/7, 2013 at 12:59
3
PHP manual states that:
Adding 3 to the current value of $a can be written '$a += 3'. This
means exactly "take the value of $a, add 3 to it, and assign it back
into $a". In addition to being s...
Norm asked 5/7, 2013 at 16:18
2
Solved
I was wondering what exactly this java object is and what its main purpose is. I have looked java documentation, but that confuses me more :(.
Does it have any relation scopes such as session, re...
Mouthy asked 11/12, 2012 at 10:17
1
Solved
A certain set of criteria that occurs in many different queries throughout our application has slowly grown more complex. To avoid duplication of this code, I want to split these criteria out into ...
Mellette asked 26/6, 2013 at 17:7
2
Solved
I'm using data.table package and trying to write a function (shown below):
require(data.table)
# Function definition
f = function(path, key) {
table = data.table(read.delim(path, header=TRUE))
...
Cung asked 11/6, 2013 at 5:1
1
Solved
I'm trying to check if a string matches this format:
10_06_13
i.e. todays date, or a similar date with "2digits_2digits_2digits".
What I've done:
regex='([0-9][0-9][_][0-9][0-9][_][0-9][...
Yonyona asked 10/6, 2013 at 16:2
2
Solved
Is there an easy way to make a function to inverse an algorithm for example like this:
>>> value = inverse("y = 2*x+3")
>>> print(value)
"x = (y-3)/2"
If you can't make actual ...
Tillie asked 5/6, 2013 at 20:12
© 2022 - 2024 — McMap. All rights reserved.