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MySQL join with where clause
...the categories that this particular user has subscribed to will have any information in the user_category_subscriptions columns. Of course, all other categories will be populated with null in the user_category_subscriptions columns.
Conversely, a where clause does the join, and then reduces the row...
ASP.NET MVC Html.DropDownList SelectedValue
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+1 for "the DropDown must not have the same name has the ViewData name" Big Thanks
– Daniel Dyson
Aug 18 '10 at 14:18
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EntityType has no key defined error
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And in case you are using it as a model in MVC, don't forget to rebuild!
– RoJaIt
Aug 2 '18 at 12:27
1
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Places where JavaBeans are used?
...per.hashCode();
}
public String toString() {
return String.format("User[id=%d,name=%s,birthdate=%d]", id, name, birthdate);
}
}
Implementing Serializable is not per se mandatory, but very useful if you'd like to be able to persist or transfer Javabeans outside Java's memory, e.g...
drag drop files into standard html file input
...ver and dragenter events need to have 'preventDefault' called
// in order for the 'drop' event to register.
// See: https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Drag_operations#droptargets
dropContainer.ondragover = dropContainer.ondragenter = function(evt) {
evt.preventDefault();
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Cookie overflow in rails application?
...he page. I do not know how to debug this error. Do you have any suggestion for this problem?
7 Answers
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Caching a jquery ajax response in javascript/browser
...ll;
},
get: function (url) {
console.log('Getting in cache for url' + url);
return localCache.data[url];
},
set: function (url, cachedData, callback) {
localCache.remove(url);
localCache.data[url] = cachedData;
if ($.isFunction(callback)) callb...
How do I remove documents using Node.js Mongoose?
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mongoose.model.find returns a Query, which has a remove function.
Update for Mongoose v5.5.3 - remove() is now deprecated. Use deleteOne(), deleteMany() or findOneAndDelete() instead.
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impr...
Storing R.drawable IDs in XML array
I would like to store drawable resources' ID in the form of R.drawable.* inside an array using an XML values file, and then retrieve the array in my activity.
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Checkbox for nullable boolean
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I got it to work with
@Html.EditorFor(model => model.Foo)
and then making a Boolean.cshtml in my EditorTemplates folder and sticking
@model bool?
@Html.CheckBox("", Model.GetValueOrDefault())
inside.
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