expression Questions
2
Solved
My goal is to annotate a plot with the slope of a best-fit line and label the units of the slope, where the label is saved as a separate string object. I'm having trouble figuring out how to get bq...
Overriding asked 9/6, 2014 at 23:7
3
I have a file and i want to add quotes around every word
for example hello becomes "hello"
So far i have tried this
in emacs:
M-x query-replace-regexp [a-z]+ RET "\1" y
But it just deletes the w...
Quipster asked 8/6, 2014 at 15:53
2
Solved
I have a question about some code in Eric Roberts' Programming Abstractions in C. He use several libraries of his own both to simplify things for readers and to teach how to write libraries. (All o...
Mosira asked 7/6, 2014 at 20:17
3
I am new to R and I am trying to figure out, how to write something like "This is my plot for (\n)8 <=(less than or equal) x <= 10" in my plot-title.
I tried something like this:
pl...
Strafford asked 7/5, 2014 at 13:25
1
Solved
I am trying to understand the R expression object, but encountered some difficulties.
Code snippet:
a = 1
b = 2
x = expression(sin(a+b+1))
print(class(x[[1]][2]))
eval(x[[1]][2])
Results:
#///...
Mayhem asked 23/4, 2014 at 15:15
1
Solved
I am doing a common query in my project. I use Expression to build my query tree, the code list below:
public IList<Book> GetBooksFields(string fieldName, string fieldValue)
{
ParameterEx...
Password asked 11/4, 2014 at 4:29
4
Solved
function A: Boolean;
function B: Boolean;
I (accidently) wrote this:
A or B;
Instead of that:
if not A then
B;
The compiler rejects the first form, I am curious why?
With short circuit ev...
Canorous asked 2/4, 2014 at 13:13
2
Solved
Why would
re.search("\.docx", os.listdir(os.getcwd()))
yield the following error?
TypeError: expected string or buffer
Moorwort asked 6/4, 2014 at 16:41
2
Solved
I was just going though my text book when I came across this question:
What would be the value of a after the following expression? Assume the initial value of a = 5. Mention the steps.
a+=(a++)+(...
Sylvanite asked 2/4, 2014 at 16:26
3
Solved
Introduction
The C11 standard (ISO/IEC 9899:2011) has introduced a new definition of side effect sequencing within an expression (see related question). The sequence point concept has been complem...
Cantus asked 24/3, 2014 at 17:9
2
Solved
Suppose I have an expression like (actually mine is much more complex, thousands of characters)
expr:a+b*c+b*c*d;
and I want to replace an internal sub-expression with a symbol (useful to avoid ...
Bindweed asked 27/3, 2014 at 11:11
5
Solved
I'm currently analyzing the Javascript language a bit. It looks like you could group at lot of the concepts into a base type called expression. Even function arguments and definitions fit into that...
Firstly asked 23/3, 2014 at 12:34
4
Solved
What is sub expression in C? I thought combination of smaller expression is subexpression
eg: a*(b+C/d)/20
b+c/d is subexpression is it correct?
or alone c/d is subexpression ?
Anora asked 22/3, 2014 at 12:36
1
Solved
I have two expressions that are built out at separate times, but need to be merged in order to get an accurate 'grouping' of a where clause. I did try this option, but I am using Entity Framework a...
Intranuclear asked 21/3, 2014 at 20:36
1
Solved
Please help. I am getting many errors.
sub2.cpp: In function ‘int main()’:
sub2.cpp:11:14: error: invalid conversion from ‘const char*’ to ‘char’ [-fpermissive]
sub2.cpp:12:14: error: invalid co...
Lucero asked 12/3, 2014 at 3:36
1
Solved
I have a data set which looks like this
+------------+-----------------------------+
| user_name | role |
+------------+-----------------------------+
| User A | Admin, System |
| User B | Editor...
Hop asked 5/3, 2014 at 18:5
1
Solved
I'm trying to understand if function based indexes similar to the one's in Oracle or PostgreSQL exist in SQL Server
In PostgreSQL, I can create a function based index using by using the following ...
Diplex asked 4/3, 2014 at 9:43
2
Solved
I'm trying to create a class that takes a lambda and stores it internally. The syntax would be something like:
class Lambda<TIn, TOut> {
private Expression<Func<TIn, TOut>> expr...
Anselmo asked 18/2, 2014 at 18:43
9
Solved
Going from a lambda to an Expression is easy using a method call...
public void GimmeExpression(Expression<Func<T>> expression)
{
((MemberExpression)expression.Body).Member.Name; // "...
Romanticist asked 20/4, 2009 at 10:40
2
Can I safely use return inside GCC compound statement expressions ?
For example I define macro
#define CHECK_FUNC_RESULT(func) \
({ \
int result = func(); \
if (!result) return; \
result; \
}...
Tartary asked 17/2, 2014 at 10:3
6
Solved
In Visual Studio, most of my objects and variables cannot be resolved during a debugging session for various reasons. This means I cannot inspect or watch objects or their invoke their functions ma...
Coraciiform asked 24/11, 2009 at 8:38
1
In my years of using Eclipse, I've never seen this and can't figure out what's wrong. For some reason, the Expressions View (as well as the Display View) will no longer evaluate even simple express...
Danelaw asked 13/2, 2014 at 18:1
2
Solved
I am trying to set expressions as x-axis text in facet environment in ggplot2 with unequal length of labels. For example:
dat <- structure(list(Species = structure(c(1L, 1L, 1L, 1L, 2L, 2L,
2L...
Luca asked 8/2, 2014 at 12:43
1
Solved
Consider you have table T, with fields A and B.
With regular SQL, I could do this:
SELECT SUM(A * (100.0 - B) / 100.0) AS D FROM T;
And I would get exactly what I expect.
However, I'm not sure...
Wait asked 7/2, 2014 at 12:22
2
Solved
I have the following code:
//myDataTable has the following collumns: UserName, Birthday and email.
string name = "eric!";
string expression = "UserName = " + name;
DataRow[] result = myDataTable.S...
Imbecile asked 8/2, 2014 at 11:53
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