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How to debug Lock wait timeout exceeded on MySQL?
...-----+-------+
1 row in set (0.01 sec)
You can set it to higher value in /etc/my.cnf permanently with this line
[mysqld]
innodb_lock_wait_timeout=120
and restart mysql. If you cannot restart mysql at this time, run this:
SET GLOBAL innodb_lock_wait_timeout = 120;
You could also just set it for t...
Accessing Session Using ASP.NET Web API
.... Now I'm not talking about object serialization - but running them in the order received and waiting for each to complete before running the next. This is to avoid nasty thread / race conditions if two requests each try to access Session simultaneously.
Concurrent Requests and Session State
Acces...
Print array elements on separate lines in Bash?
...ame -a "${alpha[@]}"
Using shuf; note that results might not come out in order:
shuf -e "${alpha[@]}"
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What is the difference between up-casting and down-casting with respect to class variable
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((Dog) a).callme2(); // Downcasting: Compiler does know Animal it is, In order to use Dog methods, we have to do typecast explicitly.
// Internally if it is not a Dog object it throws ClassCastException
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Mark parameters as NOT nullable in C#/.NET?
... it's really about an obsolete style that just propagates through examples etc.
– Jon Skeet
Oct 24 '17 at 7:38
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Twitter Bootstrap vs jQuery UI? [closed]
...ersion), but with LESS you can easily make variabels in CSS (change colors etc), make it dependent, have functions. See here: lesscss.org and there is a BETA version for a compiler in .NET see: dotlesscss.org
– Marco Johannesen
Mar 20 '12 at 7:58
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How can I get a resource content from a static context?
...d named mContext and create a static method that returns this field, e.g. getContext():
This is how it should look:
public class App extends Application{
private static Context mContext;
@Override
public void onCreate() {
super.onCreate();
mContext = this;
}
...
Disable double-tap “zoom” option in browser on touch devices
...=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
etc...
</head>
I've used that very recently and it works fine on iPad. Haven't tested on Android or other devices (because the website will be displayed on iPad only).
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Closing JDBC Connections in Pool
...on pool or not, you should always close all the JDBC resources in reversed order in the finally block of the try block where you've acquired them. In Java 7 this can be further simplified by using try-with-resources statement.
Is the following method anything close to standard? Looks like an attem...
LINQ .Any VS .Exists - What's the difference?
...0:00.0180018 Exists: 00:00:00.0090009"
With 500k, (I also flipped around order in which they get evaluated to see if there is no additional operation associated with whichever runs first.)
" Exists: 00:00:00.0050005 Any: 00:00:00.0100010"
With 100k records
" Exists: 00:00:00.0010001 Any:...