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Getting “Lock wait timeout exceeded; try restarting transaction” even though I'm not using a transac
... on some record (you're updating every record in the table!) for too long, and your thread is being timed out.
You can see more details of the event by issuing a
SHOW ENGINE INNODB STATUS
after the event (in sql editor). Ideally do this on a quiet test-machine.
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Why use iterators instead of array indices?
...ou closer to container independence. You're not making assumptions about random-access ability or fast size() operation, only that the container has iterator capabilities.
You could enhance your code further by using standard algorithms. Depending on what it is you're trying to achieve, you may e...
Rake just one migration
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rake db:migrate:redo VERSION=xxxxxxx, but that will run the down and then the up step. You could do this in conjunction with commenting out the down step temporarily.
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Get an object's class name at runtime
...\w+/g)[1];
The above code gets the entire constructor code as a string and applies a regex to get all 'words'. The first word should be 'function' and the second word should be the name of the class.
Hope this helps.
sh...
How can I access getSupportFragmentManager() in a fragment?
I have a FragmentActivity and I want to use a map fragment within it. I'm having a problem getting the support fragment manager to access it.
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Git Pull While Ignoring Local Changes?
...ll that ignores any local file changes without blowing the directory away and having to perform a git clone ?
12 Answers
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What does `unsigned` in MySQL mean and when to use it?
What does "unsigned" mean in MySQL and when should I use it?
1 Answer
1
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HTML-parser on Node.js [closed]
...DOM you can use jsdom.
There's also cheerio, it has the jQuery interface and it's a lot faster than older versions of jsdom, although these days they are similar in performance.
You might wanna have a look at htmlparser2, which is a streaming parser, and according to its benchmark, it seems to be...
Serializing an object as UTF-8 XML in .NET
.... at that point you can use the above string, convert it into UTF-8 bytes, and all will be well - because the XML declaration will specify "utf-8" as the encoding.
EDIT: A short but complete example to show this working:
using System;
using System.Text;
using System.IO;
using System.Xml.Serializat...
How to use System.Net.HttpClient to post a complex type?
...ct that contains the correct properties, serializing it using this method, and passing it that way, but I get a 500 Internal Server Error. It never hits the web api controller method.
– indot_brad
Apr 24 '12 at 20:14
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