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How to check sbt version?
...bal-plugins...
[info] Resolving org.fusesource.jansi#jansi;1.4 ...
[info] Done updating.
[info] Loading project definition from /Users/jacek/oss/scalania/project
[info] Set current project to scalania (in build file:/Users/jacek/oss/scalania/)
[info] exercises/*:sbtVersion
[info] 0.13.1-RC5
[info] ...
Check if something is (not) in a list in Python
...], comparators=[Name(id='B', ctx=Load())])))" If not grouped tightly to A, one would have expected the result to be "Expr(value=Compare(left=UnaryOp(op=Not(), operand=Name(id='A', ctx=Load())), ops=[In()], comparators=[Name(id='B', ctx=Load())]))" which is the parse for "(not A) in B".
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system(“pause”); - Why is it wrong?
...run in debugging mode it will stop on first break point. If you don't have one defined it will run the program and close the console. So, if you want the console program to stop, just set a break-point, or, even better, run it without debugging! That will execute the program and stop the console.
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Black transparent overlay on image hover with only CSS?
.... */
}
That should work in most instances; however, if you have more than one img element, you might not want the same text to appear on hover. You could therefore set the text in a data-* attribute and therefore have unique text for every img element.
EXAMPLE HERE
.image:after {
content: attr(...
What does “zend_mm_heap corrupted” mean
...uction. However, some single instances -- non-production/sandbox, customer one-offs -- do not use memcache. In the latter case, I had a configuration copied from production to a customer one-off, and the memcache configuration indicated a memcache server URI that was not available in that environmen...
Standard concise way to copy a file in Java?
...py a file in Java involves opening streams, declaring a buffer, reading in one file, looping through it, and writing it out to the other steam. The web is littered with similar, yet still slightly different implementations of this type of solution.
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How do I rename the extension for a bunch of files?
...solution (with only bash functionality, as opposed to external calls), see one of the other answers.
The following would do and does not require the system to have the rename program (although you would most often have this on a system):
for file in *.html; do
mv "$file" "$(basename "$file" ...
Convert columns to string in Pandas
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One way to convert to string is to use astype:
total_rows['ColumnID'] = total_rows['ColumnID'].astype(str)
However, perhaps you are looking for the to_json function, which will convert keys to valid json (and therefore you...
How to deal with SQL column names that look like SQL keywords?
One of my columns is called from . I can't change the name because I didn't make it.
Am I allowed to do something like SELECT from FROM TableName or is there a special syntax to avoid the SQL Server being confused?
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Differences between action and actionListener
...(by <f:setPropertyActionListener>), and/or to have access to the component which invoked the action (which is available by ActionEvent argument). So, purely for preparing purposes before the real business action gets invoked.
The actionListener method has by default the following signature:
im...