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How do I create a variable number of variables?
...s sometimes write code like this:
my_calculator.button_0 = tkinter.Button(root, text=0)
my_calculator.button_1 = tkinter.Button(root, text=1)
my_calculator.button_2 = tkinter.Button(root, text=2)
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The coder is then left with a pile of named variables, with a coding effort of O(m * n), where m ...
log messages appearing twice with Python Logging
...g is left set to True. A
common scenario is to attach handlers only to the root logger, and to
let propagation take care of the rest.
So, if you want a custom handler on "test", and you don't want its messages also going to the root handler, the answer is simple: turn off its propagate flag:
logger...
Best way to compare 2 XML documents in Java
...entContentWhitespace(true) does not have the result I would expect the <root>name</root> is not equal with <root> name </name> with this solution (padded with two space) but XMLUnit gives the equal result in this case (JDK8)
– Miklos Krivan
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Delete sql rows where IDs do not have a match from another table
I'm trying to delete orphan entries in a mysql table.
3 Answers
3
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How can I select rows with most recent timestamp for each key value?
...but here's more info if you wish, as well as other examples. It's from the MySQL manual, but above query works with every RDBMS (implementing the sql'92 standard).
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Executing JavaScript without a browser?
...);
$ ls -lAF /usr/bin/js /etc/alternatives/js /usr/bin/nodejs
lrwxrwxrwx 1 root root 15 Jul 16 04:26 /etc/alternatives/js -> /usr/bin/nodejs*
lrwxrwxrwx 1 root root 20 Jul 16 04:26 /usr/bin/js -> /etc/alternatives/js*
-rwxr-xr-x 1 root root 1422004 Apr 28 20:31 /usr/bin/nodejs*
$ chm...
Java lib or app to convert CSV to XML file? [closed]
...Rows = csvdata[1..-1]
def xml = new groovy.xml.MarkupBuilder()
// write 'root' element
xml.root {
dataRows.eachWithIndex { dataRow, index ->
// write 'entry' element with 'id' attribute
entry(id:index+1) {
headers.eachWithIndex { heading, i ->
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Python os.path.join on Windows
...join('c:', os.sep, 'sourcedir')
Since you also need os.sep for the posix root path:
mypath = os.path.join(os.sep, 'usr', 'lib')
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Android Studio: Android Manifest doesn't exists or has incorrect root tag
I got this error on Android Studio (AS):
11 Answers
11
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Default background color of SVG root element
...podi:namedview
pagecolor="#480000" ... >
Well, it seems that SVG root element is not part of paintable elements in SVG recommandations.
So I'd suggest to use the "rect" solution provided by Robert Longson because I guess that it is not a simple "hack". It seems to be the standard way to s...