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Entity Framework: There is already an open DataReader associated with this Command
...there is more then one command executed but you don't see it. I'm not sure if this can be traced in Profiler (exception can be thrown before second reader is executed). You can also try to cast the query to ObjectQuery and call ToTraceString to see the SQL command. It is hard to track. I always turn...
How can I read a whole file into a string variable
...reported.
You will get a []byte instead of a string. It can be converted if really necessary:
s := string(buf)
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Why isn't my JavaScript working in JSFiddle?
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The function is being defined inside a load handler and thus is in a different scope. As @ellisbben notes in the comments, you can fix this by explicitly defining it on the window object. Better, yet, change it to apply the handler to the object unobtrusively: http://jsfiddle.net/pUeue/
$('i...
Search and replace a line in a file in Python
...to memory. Then close the file, reopen it in writing mode and write the modified contents back.
The file is too large to be stored in memory; you can move it over to a temporary file and open that, reading it line by line, writing back into the original file. Note that this requires twice the storag...
How do I sort an observable collection?
.... For larger collections watch out for the number of collection changed notifications.
I have updated my code to improve performance (thanks to nawfal) and to handle duplicates which no other answers here do at time of writing. The observable is partitioned into a left sorted half and a right unsort...
Why does Eclipse complain about @Override on interface methods?
... 1.6.
Remember that Eclipse can override these global settings for a specific project, so check those too.
Update:
The error under Java 5 isn't just with Eclipse; using javac directly from the command line will give you the same error. It is not valid Java 5 source code.
However, you can spe...
History or log of commands executed in Git
...ote add foo bar. it will not appear in git reflog --all, as it does not modify the HEAD pointer.
– Yonatan
Apr 1 '18 at 8:10
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How to set the focus for a particular field in a Bootstrap modal, once it appears
... @keyur at codebins.com This event starts after modal is displaying, what if I have to starts event before modal is displayed
– Thomas Shelby
Sep 4 '15 at 12:51
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Convert a RGB Color Value to a Hexadecimal String
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String hex = String.format("#%02x%02x%02x", r, g, b);
Use capital X's if you want your resulting hex-digits to be capitalized (#FFFFFF vs. #ffffff).
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Set breakpoint in C or C++ code programmatically for gdb on Linux
...INT);
UPDATE: MSDN states that Windows doesn't really support SIGINT, so if portability is a concern, you're probably better off using SIGABRT.
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