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There is already an open DataReader associated with this Command which must be closed first
...from your example where this happens because the example is not complete.
One thing that can cause this is lazy loading triggered when iterating over the results of some query.
This can be easily solved by allowing MARS in your connection string. Add MultipleActiveResultSets=true to the provider p...
How to append data to div using JavaScript?
...is approach will remove all the listeners to the existing elements as mentioned by @BiAiB. So use caution if you are planning to use this version.
var theDiv = document.getElementById("<ID_OF_THE_DIV>");
theDiv.innerHTML += "<YOUR_CONTENT>";
...
PHP global in functions
... have a variable holding 1 somewhere outside. But when you pull in global $one inside the function, you couple to the global scope and expect it to have a variable of that defined somewhere. The function is no longer independent then.
Even worse, when you are changing globals inside your function,...
HTTP status code for a partial successful request
... status handling (which is not nice IMHO). Most of my code works with HTTP ones. And I think my described use case will do fine without.
– Norbert Hartl
Dec 12 '11 at 15:34
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Multiple commands in an alias for bash
...ately, but your example looks like the second command depends on the first one being exiting successfully. You may want to try a short-circuit evaluation in your alias:
alias lock='gnome-screensaver && gnome-screensaver-command --lock'
Now the second command will not even be attempted ...
Are there any free Xml Diff/Merge tools available? [closed]
...
everyone realizes that in xml the child nodes are not guaranteed to be in any specific order, so any "tool" that reported that something was not in the same order from one file to the next really won't be a real xml compliant tool...
Parse large JSON file in Nodejs
...sh this by buffering your input until you hit a newline. Assuming we have one JSON object per line (basically, format B):
var stream = fs.createReadStream(filePath, {flags: 'r', encoding: 'utf-8'});
var buf = '';
stream.on('data', function(d) {
buf += d.toString(); // when data is read, stash...
How do I remove all specific characters at the end of a string in PHP?
...ssing the OP wants to remove all '.' at the end, otherwise why remove just one? ;)
– Tor Valamo
Jan 13 '10 at 2:05
2
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How to view file diff in git before commit
...are to the penultimate commit with:
git diff master^ myfile.txt
and the one before that:
git diff master^^ myfile.txt
Also you can substitute '~' for the caret '^' character and 'you branch name' for 'master' if you are not on the master branch.
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Error TF30063: You are not authorized to access … \DefaultCollection
I'm using TFS Preview (Team Foundation Service) with one of my projects with Visual Studio 2012. I'm also using an on-premises TFS server with most of my projects. When I use my on-premises TFS after using TFS preview and go back to using TFS preview, I get this error:
...