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Batch equivalent of Bash backticks
...nternal command to cmd.exe, but it works in the more natural way. Windows batch scripts always surprise me somehow (but not usually in a good way).
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How is the fork/join framework better than a thread pool?
...litting the task upfront is this: When splitting upfront you have the work queue full right from start. Example: 1000 units, the threshold is 10, so the queue has 100 entries. These packets are distributed to the threadpool members.
Fork/Join is more complex and tries to keep the number of packets ...
What should I do when 'svn cleanup' fails?
...tp://www.sqlite.org/download.html
sqlite3 .svn/wc.db "select * from work_queue"
The SELECT should show you your offending folder/file as part of the
work queue. What you need to do is delete this item from the work
queue.
sqlite3 .svn/wc.db "delete from work_queue"
That...
ASP.Net error: “The type 'foo' exists in both ”temp1.dll“ and ”temp2.dll"
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Add the batch="false" attribute to the "compilation" element of the web.config file.
This problem occurs because of the way in which ASP.NET 2.0 uses the application references and the folder structure of the application to compile ...
Best way to create custom config options for my Rails app?
...cidentally add a leading slash to your relative config path.
You can then retrieve the value using:
uri_format = APP_CONFIG['audiocast_uri_format']
See this Railscast for full details.
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In Windows cmd, how do I prompt for user input and use the result in another command?
...f
set /p id="Enter ID: "
You can then use %id% as a parameter to another batch file like jstack %id%.
For example:
set /P id=Enter id:
jstack %id% > jstack.txt
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How to convert an entire MySQL database characterset and collation to UTF-8?
...CTER SET utf8 COLLATE utf8_general_ci;'
mysql "$DB" -e "SHOW TABLES" --batch --skip-column-names \
| xargs -I{} echo 'ALTER TABLE `'{}'` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;'
) \
| mysql "$DB"
One-liner for simple copy/paste
DB="dbname"; ( echo 'ALTER DATABASE `'"$DB"'` ...
Non-recursive depth first search algorithm
... And then to add to the symmetry, if you use a min priority queue as the fringe instead, you have a single-source shortest path finder.
– Mark Peters
Mar 12 '11 at 19:31
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SqlException from Entity Framework - New transaction is not allowed because there are other threads
...likely to have a clustered index.
This version will query the database in batches of 100. Note that SaveChanges() is called for each entity.
If you want to improve your throughput dramatically, you should call SaveChanges() less frequently. Use code like this instead:
foreach (var chunk in clie...
Is there any way to call a function periodically in JavaScript?
...l():
var intervalID = setInterval(function(){alert("Interval reached");}, 5000);
The first parameter to setInterval() can also be a string of code to be evaluated.
You can clear a periodic function with:
clearInterval(intervalID);
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