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jQuery: count number of rows in a table
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Use a selector that will select all the rows and take the length.
var rowCount = $('#myTable tr').length;
Note: this approach also counts all trs of every nested table!
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How to add include path in Qt Creator?
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If you are using qmake, the standard Qt build system, just add a line to the .pro file as documented in the qmake Variable Reference:
INCLUDEPATH += <your path>
If you are using your own build system, you create a project by selecting "Import of ...
Likelihood of collision using most significant bits of a UUID in Java
If I'm using Long uuid = UUID.randomUUID().getMostSignificantBits() how likely is it to get a collision. It cuts off the least significant bits, so there is a possibility that you run into a collision, right?
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Sequence contains more than one element
...'m having some issues with grabbing a list of type "RhsTruck" through Linq and getting them to display.
5 Answers
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jQuery OR Selector?
... element is either a descendant of an element with class classA or classB, and I want to do something like elem.parents('.classA or .classB') . Does jQuery provide such functionality?
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How to Apply Gradient to background view of iOS Swift App
... a storyboard). The code runs, but nothing changes. I'm using xCode Beta 2 and Swift.
30 Answers
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How to show full object in Chrome console?
... It should be noted that just printing varName in Chrome console and hitting Enter gives the same effect as console.dir(varName).
– Vadzim
Oct 16 '17 at 14:58
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How can I get pg_dump to authenticate properly
I have tried using host variable PGPASSWORD and .pgpass and neither of these two will allow me to authenticate to the database. I have chmod 'd .pgpass to appropriate permissions and also tried:
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Ruby on Rails: how to render a string as HTML?
...g raw works fine, but all it's doing is converting the string to a string, and then calling html_safe. When I know I have a string, I prefer calling html_safe directly, because it skips an unnecessary step and makes it clearer what's going on. Details about string-escaping and XSS protection are in ...
How to cancel a pull request on github?
...ample (button on the very bottom):
This way the pull request gets closed (and ignored), without merging it.
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