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Django select only rows with duplicate field values
...ango. The problem is that this will return a ValuesQuerySet with only name and count. However, you can then use this to construct a regular QuerySet by feeding it back into another query:
dupes = Literal.objects.values('name')
.annotate(Count('id'))
.or...
Adding event listeners to dynamically added elements using jQuery [duplicate]
So right now, I understand that in order to attach an event listener to a dynamically added element, you have to redefine the listener after adding the element.
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Command to change the default home directory of a user
I would like to know whether there is any simple shell command to change the user home directory in Linux/Unix (one similar to chsh which changes the default login shell of an existing valid user) without touching the /etc/passwd file. Thanks
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How to get the seconds since epoch from the time + date output of gmtime()?
How do you do reverse gmtime() , where you put the time + date and get the number of seconds?
6 Answers
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How to add local jar files to a Maven project?
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Is there a way to install the local java doc and sources?
– Edv Beq
Feb 18 '19 at 2:50
1
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How to add footnotes to GitHub-flavoured Markdown?
... (Gosh darnit why can’t I make line breaks in comments.) [1] I.e. like Pandoc Mandoc footnotes minus the caret.
– Guildenstern
Nov 1 '16 at 20:09
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Better way to get type of a Javascript variable?
...011/08/08/fixing-the-javascript-typeof-operator/
He goes through the pros and cons of the various methods then defines a new method 'toType' -
var toType = function(obj) {
return ({}).toString.call(obj).match(/\s([a-zA-Z]+)/)[1].toLowerCase()
}
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Correct way to delete cookies server-side
For my authentication process I create a unique token when a user logs in and put that into a cookie which is used for authentication.
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Nullable vs. int? - Is there any difference?
Apparently Nullable<int> and int? are equivalent in value. Are there any reasons to choose one over the other?
5 ...
Role/Purpose of ContextLoaderListener in Spring?
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Your understanding is correct. The ApplicationContext is where your Spring beans live. The purpose of the ContextLoaderListener is two-fold:
to tie the lifecycle of the ApplicationContext to the lifecycle of the ServletContext and
to...