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How can I match on an attribute that contains a certain string?
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this works as long as classes are separated by spaces only, and not other forms of whitespace. This is almost always the case. If it might not be, you have to make it more unwieldy still:
//*[contains(concat(' ', normalize-space(@class), ' '), ' atag ')]
(Selecting by classname-like space-separa...
CHECK constraint in MySQL is not working
...y developer: Fixed in 8.0.15.
Previously, MySQL permitted a limited form of CHECK constraint syntax,
but parsed and ignored it. MySQL now implements the core features of
table and column CHECK constraints, for all storage engines.
Constraints are defined using CREATE TABLE and ALTER TAB...
Update Angular model after setting input value with jQuery
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I was looking for the native JS method for triggering form validation when setting an input in a script and this worked for me, thanks.
– disperse
May 1 '18 at 15:28
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Preferred way to create a Scala list
... you use them, then a ListBuffer is most likely a preferable choice, if performance is critical.
But, if you are not on a critical path and the input is low enough, you can always reverse the list later, or just foldRight, or reverse the input, which is linear-time.
What you DON'T do is use a List...
How to vertically align a html radio button to it's label?
I have a form with radio buttons that are on the same line as their labels. The radio buttons are however not aligned vertically with their labels as shown in the screenshot below.
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Merge/flatten an array of arrays
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Or in a shorter, sexier form: const flatten = (arr) => arr.reduce((flat, next) => flat.concat(next), []);
– Tsvetomir Tsonev
Aug 8 '16 at 14:18
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AngularJS ngClass conditional
... third attempt.
Just to complement: You can also use logical operators to form logical expressions like
ng-class="{'test': obj.value1 == 'someothervalue' || obj.value2 == 'somethingelse'}"
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What's the role of adapters in Android?
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This is the same information that I can get from documentation. But I want a detailed explanation
– Robin
Sep 9 '10 at 14:12
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Displaying Windows command prompt output and redirecting it to a file
...is executed even if dir command failed. This is useful when there was some form of error in your command and you still want to see the log file on the console. See Microsoft's article on this. However, this has the issue of %errorlevel% being set to the error level of type (which would be 0).
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Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
...tations of C++
ignore integer overflows. Treatment of division by zero, forming a remainder using a zero divisor, and all
floating point exceptions vary among machines, and is usually adjustable by a library function. —end note ]
Your code compiled with g++ -O3 emits warning (even without ...