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How to flatten tree via LINQ?
...ny(c => Flatten(c.Elements)).Concat(new[] { e });
You can then filter by group using Where(...).
To earn some "points for style", convert Flatten to an extension function in a static class.
public static IEnumerable<MyNode> Flatten(this IEnumerable<MyNode> e) =>
e.SelectMan...
Import pandas dataframe column as string not int
... imageUploader: {
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Add a property to a JavaScript object using a variable as the name?
... This particular question might be about modifying but it's referenced by other questions that are about dynamically creating objects and so I ended up here and happily benefited from this answer.
– Oliver Lloyd
Oct 29 '16 at 17:40
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How to update a record using sequelize for node?
...I did). As of Sequelize 5, the correct way to find the record is with findByPk(req.params.id) which returns an instance.
– cstrutton
Apr 29 '19 at 17:24
2
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javax.faces.application.ViewExpiredException: View could not be restored
...he session cookie is not maintained anymore for some reason in browser, or by calling HttpSession#invalidate() in server, or due a server specific bug with session cookies as known in WildFly), then the serialized view state is not available anymore in the session and the enduser will get this excep...
Problems with contenttypes when loading a fixture in Django
...
Yes, this is really irritating. For a while I worked around it by doing a "manage.py reset" on the contenttypes app prior to loading the fixture (to get rid of the automatically-generated contenttypes data that differed from the dumped version). That worked, but eventually I got sick of...
How to define two fields “unique” as couple
... imageUploader: {
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NOT IN vs NOT EXISTS
...tainly can be when they force a nested loops plan (sub query evaluated row by row) but this plan includes an anti semi join logical operator. Anti semi joins are not restricted to nested loops but can use hash or merge (as in this example) joins too.
/*Not valid syntax but better reflects the plan...
Fragment onCreateView and onActivityCreated called twice
...mClass = clz;
mFragment=mActivity.getFragmentManager().findFragmentByTag(mTag);
}
public void onTabSelected(Tab tab, FragmentTransaction ft) {
if (mFragment == null) {
mFragment = Fragment.instantiate(mActivity, mClass.getName());
ft.replace(android.R...
jQuery UI Dialog with ASP.NET button postback
...tside the form and ends up covering the dialog (rendering it inoperable). By using this new appendTo property with jquery 1.10, the overlay div was put in the right place, so the modal dialog worked correctly.
– humbads
Mar 19 '14 at 19:14
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