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Are email addresses case sensitive?
...not get delivered. So how you treat it depends on what the consequences of error are and what you're doing with the email addresses at that time (collating a list of unique addresses, sending an email, etc).
– Peter Bagnall
Sep 12 '14 at 9:32
...
Should functions return null or an empty object?
...ned as "no data". That's like stating that a SQL database should return an error if a where clause produces no results. While an Exception is a valid design choice (though one that would irritate me as a consumer), it's not any "more correct" than returning null. And no, I'm not the DV.
...
string sanitizer for filename
...er in an unsafe HTML context because this absolutely legal filename:
' onerror= 'alert(document.cookie).jpg
becomes an XSS hole:
<img src='<? echo $image ?>' />
// output:
<img src=' ' onerror= 'alert(document.cookie)' />
Because of that, the popular CMS software Wordpress r...
When to use in vs ref vs out
...ents (Community Additions)' section in the link mentioned by you. It is an error which is corrected in VS 2008 documentation.
– Bharat Ram V
Aug 12 '13 at 8:07
...
Are there legitimate uses for JavaScript's “with” statement?
...ck"
Declaring a closure in a loop is a common task where this can lead to errors:
for (var i=0; i<3; ++i)
{
var num = i;
setTimeout(function() { alert(num); }, 10);
}
Because the for loop does not introduce a new scope, the same num - with a value of 2 - will be shared by all three functi...
git diff between cloned and original remote repository
... Thank you for the HEAD..origin/master syntax! We've been getting errors with origin/HEAD not existing, and this solved it.
– Dan Bechard
Nov 6 '15 at 19:37
...
How should I read a file line-by-line in Python?
... memory.
In such an implementation, you might get a "too many files open" error from the OS if your code opens files faster than the garbage collector calls finalizers on orphaned file handles. The usual workaround is to trigger the GC immediately, but this is a nasty hack and it has to be done by...
Cancellation token in Task constructor: why?
...count 2
Canceling task
Task: cancellation requested
Exception: One or more errors occurred.
InnerException: The operation was canceled.
Task.Status: Faulted
*********************************************************************
* Throw if cancellation requested, pass token to constructor
***********...
mongoDB/mongoose: unique if not null
...t they instead be passed undefined. I was doing that and still getting the error (while using unique and sparse). I updated my schema with this answer, dropped my existing index, and it worked like a charm.
– Phil
Apr 4 '19 at 20:33
...
How to return an array from JNI to Java?
...rray(env, size);
if (result == NULL) {
return NULL; /* out of memory error thrown */
}
int i;
// fill a temp structure to use to populate the java int array
jint fill[size];
for (i = 0; i < size; i++) {
fill[i] = 0; // put whatever logic you want to populate the values here.
}
/...