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Python nonlocal statement

... to that. If you specify nonlocal and there is no "x", it will give you an error message. The keyword global has always seemed strange to me since it will happily ignore all the other "x" except for the outermost one. Weird. ...
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Seeing the console's output in Visual Studio 2010?

...Windows -> Output. Now, at the bottom of the screen docked next to your error list, there should be an output tab. Click it and double check it's showing output from the debug stream on the dropdown list. P.S.: I think the output window shows on a fresh install, but I can't remember. If it doesn...
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Override valueof() and toString() in Java enum

...s is a terrible idea. Not the least of which is the possibility for silent error with no indication or recovery. Also now the "name" value and the symbolic value in code (e.g. A, B) are different. +2 for being clever. -200 for being terribly clever. There is no way I would ever approve this an a c...
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Equivalent of strace -feopen < command > on mac os X

... Getting an error with $ sudo dtruss -f -t open sudo -u $USER python: ` dtrace: system integrity protection is on, some features will not be available` and then dtrace: failed to execute sudo: dtrace cannot control executables signed wit...
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How to add multiple files to Git at the same time

... Just specifying the file name gives this error "fatal: pathspec 'filename.java' did not match any files". Instead specify the entire file path and file name like this 'git add long/path/{file1,file2,...,filen}' – Shravan Ramamurthy ...
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No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?

... I was getting this error when trying to do a maven build from within eclipse. For me, the answer was going to Run -&gt; Run Configurations, selecting the Maven Build I was running (from the left panel). Then, I clicked the JRE tab and selecte...
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Not equal != operator on NULL

...nd any applications that explicitly set the option to OFF will generate an error. Avoid using this feature in new development work, and plan to modify applications that currently use this feature. – Otiel Jan 15 '15 at 8:43 ...
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Easy way to write contents of a Java InputStream to an OutputStream

...return zero if you supplied a length of zero, which would be a programming error, and a stupid condition to loop forever on. And write() does not throw an exception if you provide a zero length. – Marquis of Lorne Feb 25 '16 at 0:09 ...
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How to create a SQL Server function to “join” multiple rows from a subquery into a single delimited

..., it works very poorly for large result sets and is likely to give you the error, "The maximum recursion 100 has been exhausted before statement completion." (You can workaround that by specifying OPTION (MAXRECURSION 0) at the end, but then your query might just take forever to run. ...
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Mongo Shell - Console/Debug Log

...l, and then use the Logging object to call logging levels (debug,info,warn,error). The Logger object does use 'print' and 'printjson' at it's core. Also, it contains a basic sprintf, padding, record formatting, etc. If you are going to be doing any signifigant amount of script work with mongodb, I r...