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CASCADE DELETE just once
... with the ON DELETE CASCADE rule. Is there any way I can perform a delete and tell Postgresql to cascade it just this once? Something equivalent to
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Java: Static Class?
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Private constructor and static methods on a class marked as final.
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Get second child using jQuery
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What's the difference between $(t).children('td').eq(1) and $(t).children()[1]
– Green Lei
Oct 10 '15 at 8:29
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Get lengths of a list in a jinja2 template
... products|length > 1 %}
jinja2's builtin filters are documented here; and specifically, as you've already found, length (and its synonym count) is documented to:
Return the number of items of a sequence or mapping.
So, again as you've found, {{products|count}} (or equivalently {{products|...
Remove whitespaces inside a string in javascript
...ered May 29 '12 at 13:43
Henrik AnderssonHenrik Andersson
34.9k1414 gold badges8484 silver badges8484 bronze badges
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How do I get the height and width of the Android Navigation Bar programmatically?
...lack navigation bar on the bottom of the screen is not easily removable in Android. It has been part of Android since 3.0 as a replacement for hardware buttons. Here is a picture:
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How to prevent buttons from submitting forms
..., should not f#$'n have a default type of submit. It's just plain idiotic, and a huge mistake in the spec. I use buttons in forms all the time, and even if it were an edge case (which it isn't), it'd still make sense to have the default type be submit.
– dudewad
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Observer Design Pattern vs “Listeners”
...ous toolkits. Is there a difference between the concepts, or are Listeners and Observers really the same thing.
3 Answers
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How to copy in bash all directory and files recursive?
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@AnneTheAgile - from my tests just now and according to the man pages, -r and -R don't differ.
– aaaaaa
Jan 25 '15 at 2:54
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Why are local variables not initialized in Java?
...ulation. So its the programmer's decision to set the value of the variable and it should not take a default value. If the programmer, by mistake, did not initialize a local variable and it take default value, then the output could be some unexpected value. So in case of local variables, the compiler...