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ValueError: setting an array element with a sequence
... is that you are trying to create an array from a list that isn't shaped like a multi-dimensional array. For example
numpy.array([[1,2], [2, 3, 4]])
or
numpy.array([[1,2], [2, [3, 4]]])
will yield this error message, because the shape of the input list isn't a (generalised) "box" that can be ...
How can I give eclipse more memory than 512M?
... a lot of problems trying to get Eclipse to accept as much memory as I'd like it to be able to use (between 2 and 4 gigs for example).
Open eclipse.ini in the Eclipse installation directory.
You should be able to change the memory sizes after -vmargs up to 1024 without a problem up to some maximum ...
Validating email addresses using jQuery and regex
... do this. I need to validate email addresses using regex with something like this:
10 Answers
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What does 'synchronized' mean?
... some questions regarding the usage and significance of the synchronized keyword.
17 Answers
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MySQL ON DUPLICATE KEY UPDATE for multiple rows insert in single query
...here I want to insert multiple rows in single query. so I used something like:
3 Answers
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How to TryParse for Enum value?
...our own TryParse. Simon Mourier is providing a full implementation which takes care of everything.
If you are using bitfield enums (i.e. flags), you also have to handle a string like "MyEnum.Val1|MyEnum.Val2" which is a combination of two enum values. If you just call Enum.IsDefined with this strin...
How to assert two list contain the same elements in Python? [duplicate]
...unittest.TestCase.assertCountEqual(doc) which does exactly what you are looking for, as you can read from the python standard library documentation. The method is somewhat misleadingly named but it does exactly what you are looking for.
a and b have the same elements in the same number, regardle...
What is the C# equivalent of NaN or IsNumeric?
...characters within the string are digits, then another approach should be taken.
example 1:
public Boolean IsNumber(String s) {
Boolean value = true;
foreach(Char c in s.ToCharArray()) {
value = value && Char.IsDigit(c);
}
return value;
}
or if you want to be a little more ...
Check whether a string contains a substring
How can I check whether a given string contains a certain substring, using Perl?
3 Answers
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How to write iOS app purely in C
...
Damn, it took me a while but I got it:
main.c:
#include <CoreFoundation/CoreFoundation.h>
#include <objc/runtime.h>
#include <objc/message.h>
// This is a hack. Because we are writing in C, we cannot out and include...