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vector::at vs. vector::operator[]
...ell, the official response to that is that out_of_range derives from logic_error, and other programmers "should" know better than to catch logic_errors upstream and ignore them. assert can be ignored too if your colleagues are keen not to know about their mistakes, it's just harder because they have...
Pushing to Git returning Error Code 403 fatal: HTTP request failed
...word, not your SSH passphrase (which was what was giving me the same exact error).
I was having the same problem, but making sure to use my actual GitHub password at the terminal password prompt fixed the solution with no alteration to the config, or resorting to SSH.
The reason it is important t...
INSERT … ON DUPLICATE KEY (do nothing)
...row update even though id is assigned to itself).
If you don't care about errors (conversion errors, foreign key errors) and autoincrement field exhaustion (it's incremented even if the row is not inserted due to duplicate key), then use INSERT IGNORE.
...
Swift Bridging Header import issue
...ed a bridging header and added to my project. Unfortunately, the following error occurred:
19 Answers
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Post Build exited with code 1
...
robocopy exit code 1 = files copied
When the result is 1, this becomes an error exit code in visual studio.
So i solved this easily by adding this to the bottom of the batch file
exit 0
Suggest that handle ROBOCOPY errors in this fashion
rem each robocopy statement and then underneath have th...
AndroidRuntime error: Parcel: unable to marshal value
... HashMap no problem, however when startActivty() is called I get a runtime error stating that Parcel: unable to marshal value com.appName.Liquor.
...
Which is preferred: Nullable.HasValue or Nullable != null?
...uming SomeNullable is an int?).
While SomeNullable.Value gets us a runtime error if we assigned null to SomeNullable. This is in fact the only case where nullables could cause us a problem, thanks to a combination of overloaded operators, overloaded object.Equals(obj) method, and compiler optimizati...
What does the construct x = x || y mean?
...o if you call the method with no arguments it will use a default value of "Error".
It's shorthand for writing:
if (!title) {
title = "Error";
}
This kind of shorthand trick with boolean expressions is common in Perl too. With the expression:
a OR b
it evaluates to true if either a or b is t...
ASP.NET Web API OperationCanceledException when browser cancels the request
...e requests are canceled by the browser. Our ELMAH HttpModule then logs two errors for each canceled request:
7 Answers
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Javascript “Not a Constructor” Exception while creating objects
...
The code as posted in the question cannot generate that error, because Project is not a user-defined function / valid constructor.
function x(a,b,c){}
new x(1,2,3); // produces no errors
You've probably done something like this:
function Project(a,b,c) {}
Project...