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How to query as GROUP BY in django?
...= ['designation']
results = QuerySet(query=query, model=Members)
You can now iterate over the results variable to retrieve your results. Note that group_by is not documented and may be changed in future version of Django.
And... why do you want to use group_by? If you don't use aggregation, you c...
Java: Clear the console
... Windows installation that could be invoked via Runtime.exec, as the well-known command cls is builtin to Windows’ command line interpreter.
When launching a new process via Runtime.exec, the standard output gets redirected to a pipe which the initiating Java process can read. But when the output ...
How to replace an item in an array with Javascript?
...edle) {
return !!~haystack.indexOf(needle);
};
// can be used like so now:
if (contains(items, 3452)) {
// do something else...
}
Starting with ES6/ES2015 for strings, and proposed for ES2016 for arrays, you can more easily determine if a source contains another value:
if (haystack.inclu...
How to run Conda?
...t .bash_profile (I downloaded it to my local desktop to do that, I do not know how to text edit a file from linux)
Then add this to .bash_profile:
PATH=$PATH:$HOME/anaconda/bin
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improve th...
How should I escape strings in JSON?
...
@MonoThreaded Thanks for your reply, I still don't know why. but finally, I changed the method to fix it like below, if (c < ' ' || c > 0x7f) { t = "000" + Integer.toHexString(c).toUpperCase(); sb.appe...
How to execute a Ruby script in Terminal?
... (Ruby, Rails, Homebrew, Git, etc), and I've even written a small program. Now, how do I execute it in Terminal? I wrote the program in Redcar and saved it as a .rb, but I don't know how to execute it through Terminal. I want to run the program and see if it actually works. How do I do this?
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Is there a Java standard “both null or equal” static method?
...
With Java 7 you can now directly do a null safe equals:
Objects.equals(x, y)
(The Jakarta Commons library ObjectUtils.equals() has become obsolete with Java 7)
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JSON.Net Self referencing loop detected
...ode Public Sub New() Mybase.New("name=EntityConName") End Sub code. Now before End Sub add code Me.Configuration.LazyLoadingEnabled = False Me.Configuration.ProxyCreationEnabled = False code That will get rid of 'Self referencing loop' error in your json output from webapi.
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Why doesn't Git ignore my specified file?
... it, commit removed state, add the files back and see how they are ignored now.
– Yevgeniy Afanasyev
Aug 29 '17 at 1:19
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Python: How to get stdout after running os.system? [duplicate]
...OUT)
to redirect the error output to the default output stream.
If you know that the output is text, add text=True to decode the returned bytes value with the platform default encoding; use encoding="..." instead if that codec is not correct for the data you receive.
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