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Relative imports in Python 2.7
... __name__ is lib.foo. We take the first code path, importing from .fileA, etc.
If run as python lib/foo.py, __package__ will be None and __name__ will be __main__.
We take the second code path. The lib directory will already be in sys.path so there is no need to add it. We import from fileA, etc...
How to select the last record of a table in SQL?
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Without any further information, which Database etc the best we can do is something like
Sql Server
SELECT TOP 1 * FROM Table ORDER BY ID DESC
MySql
SELECT * FROM Table ORDER BY ID DESC LIMIT 1
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New line in JavaScript alert box
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you have to use double quotes to display special char like \n \t etc... in js alert box
for exemple in php script:
$string = 'Hello everybody \n this is an alert box';
echo "<script>alert(\"$string\")</script>";
But a second possible problem arrives when you want to display ...
How to generate javadoc comments in Android Studio
...t this doesn't also work to generate javadoc comments for classes, fields, etc. It would be even nicer if it generated javadoc from a customizable template.
– Ted Hopp
Jan 30 '15 at 21:40
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Recommended way of making React component/div draggable
...anything w/ a higher z-index that gets in the way, then you're toast,
// etc.
componentDidUpdate: function (props, state) {
if (this.state.dragging && !state.dragging) {
document.addEventListener('mousemove', this.onMouseMove)
document.addEventListener('mouseup', this.onM...
Choosing between qplot() and ggplot() in ggplot2 [closed]
...ots with limited experience. And the plot created by qplot [p <- qplot(etc)] can be modified by any of the full commands ggplot2 provides, which is handy (they are all stored the same way, no matter how they were created). So personally I use qplot for most everything, and save ggplot for insid...
Opening port 80 EC2 Amazon web services [closed]
...tate NEW -m tcp -p tcp --dport 80 -j ACCEPT is the rule you could add to /etc/sysconfig/iptables
– Trefex
Oct 19 '14 at 18:54
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Capture Signature using HTML5 and iPad
...one know how this can be done? Would you use a canvas object, svg, jQuery, etc?
6 Answers
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How to add http:// if it doesn't exist in the URL?
...ade the protocol flexible, so the same function can be used with ftp,https,etc
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How can I select multiple columns from a subquery (in SQL Server) that should have one record (selec
...other parameters as well, which is needed for more complex functions calls etc.
– Andreas Reiff
Jan 25 '18 at 10:22
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