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What is move semantics?
...hape> a(new Triangle);
unique_ptr<Shape> b(a); // error
unique_ptr<Shape> c(make_triangle()); // okay
The second line fails to compile, because a is an lvalue, but the parameter unique_ptr&& source can only be bound to rvalues. This is exactly what we wante...
How can you integrate a custom file browser/uploader with CKEditor?
...ile" or something. Set url to an empty string if the third parameter is an error message.
CKEditor's "upload" tab will submit a file in the field "upload" - in PHP, that goes to $_FILES['upload']. What CKEditor wants your server to output is a complete JavaScript block:
$output = '<html><...
How to hide image broken Icon using only CSS/HTML?
...er hiding the image, or replacing the source with a backup.
<img src="Error.src" onerror="this.style.display='none'"/>
or
<img src="Error.src" onerror="this.src='fallback-img.jpg'"/>
Update
You can apply this logic to multiple images at once by doing something like this:
doc...
Run a single test method with maven
...
Fixed the "No Tests Were Executed" error by downgrading to surefire 2.9
– qwerty
Jul 18 '12 at 7:58
15
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Remove an element from a Bash array
...te
local aryref="$2[@]" # a necessary step since '${!$2[@]}' is a syntax error
local arycopy=("${!aryref}") # create a copy of the input array
local status=1
for (( i = ${#arycopy[@]} - 1; i >= 0; i-- )); do # iterate over indices backwards
elmt=${arycopy[$i]}
[[ $elmt == $word ]]...
PHP case-insensitive in_array function
...
The last comment contains a syntax error: /$ should be $/ instead.
– Gogowitsch
Dec 12 '12 at 15:01
1
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Repeat each row of data.frame the number of times specified in a column
...
I get an error: Error in rep(1, freq) : invalid 'times' argument. And given that there is already a data.table answer to this question, you may want to describe how your approach is different or when it is better than the current dat...
Does anyone still use [goto] in C# and if so why? [closed]
...t for breaking out of many loops where break would not work well (say upon error conditions), and as Kragen said goto is used by the compiler to generate switch statements and some other things as well.
share
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Upgrading Node.js to latest version
...have Node.js installed and now when I tried to install Mongoosejs I got an error telling me that I don't have the needed version of Node.js (I have v0.4.11 and v0.4.12 is needed).
...
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
...chedResultsController.delegate = self;
[fetchRequest release];
NSError *error = nil;
if (![aFetchedResultsController performFetch:&error])
{
/*
Replace this implementation with code to handle the error appropriately.
abort() causes the application to...