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Different ways of adding to Dictionary
What is the difference in Dictionary.add(key, value) and Dictionary[key] = value ?
8 Answers
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ModelState.IsValid == false, why?
...lowing snippet to find out whats wrong:
(Often if the binder is trying to convert strings to complex types etc)
if (!ModelState.IsValid)
{
var errors = ModelState.SelectMany(x => x.Value.Errors.Select(z => z.Exception));
// Breakpoint, Log or examine the list with Exceptions.
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std::vector versus std::array in C++
What are the difference between a std::vector and an std::array in C++? When should one be preferred over another? What are the pros and cons of each? All my textbook does is list how they are the same.
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Force LF eol in git repo and working copy
...t be altered, files detected as being text files will see the line endings converted on the fly.
However, as you know the content of your repository, you may give Git a hand and help him detect text files from binary files.
Provided you work on a C based image processing project, replace the conte...
How to get a list of repositories apt-get is checking? [closed]
...ted (for now) with comment: Please show us how to capture this output and convert it to the answer to the question, i.e. each time we do apt update, how do we filter that output/text to extract the information relevant to this question?
– dardisco
May 7 '19 ...
How to deal with SQL column names that look like SQL keywords?
...:
select "from" from "table";
Note: Internally PostgreSQL automatically converts all unquoted commands and parameters to lower case. That have the effect that commands and identifiers aren't case sensitive. sEleCt * from tAblE; is interpreted as select * from table;. However, parameters inside do...
What does `unsigned` in MySQL mean and when to use it?
What does "unsigned" mean in MySQL and when should I use it?
1 Answer
1
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What is &&& operation in C
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@anishsane i is defined as int and there's no labels in the question. Also, maximal munch...
– Luchian Grigore
Dec 20 '12 at 9:35
5
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UITableView set to static cells. Is it possible to hide some of the cells programmatically?
...a] directly)
This doesn't use the hacky solution with setting height to 0 and allows you to animate the change and hide whole sections
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What is lexical scope?
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I understand them through examples. :)
First, lexical scope (also called static scope), in C-like syntax:
void fun()
{
int x = 5;
void fun2()
{
printf("%d", x);
}
}
Every inner level can access its outer l...