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Using std Namespace
...just those spefcific names brought into the current namespace. By the same token, I think it would be crazy and a bookkeeping hassle to have 25 or 30 using-declarations when a single using-directive would do the trick just as well.
It's also good to keep in mind that there are times when you must u...
How dangerous is it to access an array out of bounds?
...inistrative) access, for example. Even with ordinary user privileges, a malfunctioning program can consume excessive resources (CPU, memory, disk), possibly bringing down the entire system. A lot of malware (viruses, etc.) exploits buffer overruns to gain unauthorized access to the system.
(One his...
How to remove convexity defects in a Sudoku square?
I was doing a fun project: Solving a Sudoku from an input image using OpenCV (as in Google goggles etc). And I have completed the task, but at the end I found a little problem for which I came here.
...
SET versus SELECT when assigning variables?
...(so you'd likely never know why something was going wrong elsewhere - have fun troubleshooting that one)
When assigning from a query if there is no value returned then SET will assign NULL, where SELECT will not make the assignment at all (so the variable will not be changed from its previous valu...
What's the difference between text/xml vs application/xml for webservice response
...records, like this: msdn.microsoft.com/en-us/library/ms762271%28v=vs.85%29.aspx This is more likely to be read and processed by an application. Others are basically text with markup, like a HTML page. Using text/xml for them sounds more appropiate.
– biziclop
J...
Javascript object Vs JSON
...uotes if the key is a reserved word or if it would otherwise be an illegal token. In JSON you MUST always use double quotes on key names.
Q2 - the jsonString is a serialised version of the input object ...
Q3 - which may be deserialised to an identical looking object using JSON.parse()
...
Why use Gradle instead of Ant or Maven? [closed]
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Gradle put the fun back into building/assembling software. I used ant to build software my entire career and I have always considered the actual "buildit" part of the dev work being a necessary evil. A few months back our company grew tired...
How do Python functions handle the types of the parameters that you pass in?
Unless I'm mistaken, creating a function in Python works like this:
13 Answers
13
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Why is list initialization (using curly braces) better than the alternatives?
...teger value cannot be converted to a floating-point type.
Example:
void fun(double val, int val2) {
int x2 = val; // if val==7.9, x2 becomes 7 (bad)
char c2 = val2; // if val2==1025, c2 becomes 1 (bad)
int x3 {val}; // error: possible truncation (good)
char c3 {val2}; // error...
The relationship could not be changed because one or more of the foreign-key properties is non-nulla
...on what you want to do and how would you like to do it?
If you are using ASP.NET MVC you can try to use UpdateModel or TryUpdateModel.
If you want just update existing children manually, you can simply do something like:
foreach (var child in modifiedParent.ChildItems)
{
context.Childs.Attac...