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Postgres: “ERROR: cached plan must not change result type”
...eing thrown by the PostgreSQL 8.3.7 server to my application.
Does anyone know what this error means and what I can do about it?
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In git, is there a way to show untracked stashed files without applying the stash?
...te that you get an ugly error (fatal: ambiguous argument 'stash@{0}^3': unknown revision or path not in the working tree.) if you don't actually have untracked files in that stash (but thought you did).
– Randall
Jun 8 '16 at 22:12
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Interface vs Abstract Class (general OO)
... seems they are waiting for me to mention something specific, and I don't know what it is.
35 Answers
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Generate random numbers following a normal distribution in C/C++
... not guaranteed to be consistent across all platforms. I'm doing the tests now, and MSVC provides a different set of values from, for example, Clang. The C++11 engines seem to generate the same sequences (given the same seed), but the C++11 distributions seem to be implemented using different algori...
Split output of command by columns using Bash?
... space, obviously
$ <command> | sed -e "s/.*/ &/" | tr -s " "
Now, for this particular case of pid numbers (not names), there is a function called pgrep:
$ pgrep ssh
Shell functions
However, in general it is actually still possible to use shell functions in a concise manner, because...
Read a file in Node.js
...
With Node 0.12, it's possible to do this synchronously now:
var fs = require('fs');
var path = require('path');
// Buffer mydata
var BUFFER = bufferFile('../public/mydata.png');
function bufferFile(relPath) {
return fs.readFileSync(path.join(__dirname, relPath));...
Run ssh and immediately execute command [duplicate]
...tory will be cleared, except for the new command on a fresh login. Do you know why that happens and how you can prevent that? I just noticed that after I commented out the line in .bashrc the full history is now available.
– Andy
Jul 22 '16 at 6:19
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Does use of final keyword in Java improve the performance?
...the VM detecting results are just being thrown away or something? I don't know, but regardless, the use of final does make a significant difference.
– Casper Færgemand
Apr 3 '14 at 13:05
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Using “like” wildcard in prepared statement
...nt was better, after all? I don't have the opportunity to experiment right now.
– BalusC
Dec 23 '15 at 22:47
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List View Filter Android
...r<MyObjectBean> (list, "getName", adapter);
The only thing missing now, is to override the "getFilter" method in the adapter class:
@Override public Filter getFilter () {
return MyViewClass.this.mFilter;
}
All done! You should successfully filter your list - Of course, you should als...