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How to debug Lock wait timeout exceeded on MySQL?
...mpting to change at least one row in one or more InnoDB tables.
Since you know the query, all the tables being accessed are candidates for being the culprit.
From there, you should be able to run SHOW ENGINE INNODB STATUS\G
You should be able to see the affected table(s)
You get all kinds of additio...
Can I get Memcached running on a Windows (x64) 64bit environment?
Does anyone know IF , WHEN or HOW I can get Memcached running on a Windows 64bit environment?
13 Answers
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String vs. StringBuilder
... the enormous performance difference in my applications between the two, I now think about it a little more carefully.
Luckily, it's relatively straightforward to run performance analysis on your code to see where you're spending the time, and then to modify it to use StringBuilder where needed.
...
How to get input type using jquery?
...a radio, I need to get which is checked, and if it is a checkbox I need to now which are checked, and if it is a drop down I need to know which is selected, and I if it is a text/textarea I need to know the values.
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(Deep) copying an array using jQuery [duplicate]
...s:
var a =[[1], [2], [3]];
var b = a.slice();
b.shift().shift();
// a is now [[], [2], [3]]
Note that although I've used shift().shift() above, the point is just that b[0][0] contains a pointer to a[0][0] rather than a value.
Likewise delete(b[0][0]) also causes a[0][0] to be deleted and b[0...
Visual Studio : short cut Key : Duplicate Line
...fter)
Ctrl + D
In Visual Studio 2017 (pre v15.6)
(edit) This feature is now built-in in VS2017: Ctrl + E, V duplicates a line if nothing is selected, or duplicates selection. You can assign it to a different key combination, or find it in the menu:
See this reference for more information.
Pre...
How much does it cost to develop an iPhone application? [closed]
...wa) $50-150K estimate with the 22 day Obama app.
Take another hit, dude.
Now if you want to build backend services for your app, that number's going to go up even more. Everyone seems surprised that Instagram chewed through $500K in venture funding to build a new frontend and backend. I'm not.
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Creating an Android trial application that expires after a fixed time period
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@AmirDe Hi Amir, could you let me know what isn't working for you? I'm happy to help, support@trialy.io Trialy is working great for 1000+ users
– Nick
Jun 6 '18 at 7:26
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Can a class member function template be virtual?
... just indirection, and there is no "runtime figuring out" involved, it is known during compile time that the function to be called is the one pointed to by the n-th pointer in the vtable. "Figuring out" implies there are type checks and such, which is not the case. Once the run-time system figured o...
Remove unused references (!= “using”)
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Nice extensive answer. What's weird is that although you know I'm not referring to the using statements (that clean-up is standard in VS, don't get why R# re-invented that) you answer that question first. Would you mind switching the two around?
– Boris Callens...