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The relationship could not be changed because one or more of the foreign-key properties is non-nulla
I am getting this error when I GetById() on an entity and then set the collection of child entities to my new list which comes from the MVC view.
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Remove vertical padding from horizontal ProgressBar
By default the ProgressBar has a certain padding above and below the bar itself. Is there a way to remove this padding so as to only have the bar in the end?
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What's the best way to get the last element of an array without deleting it?
...as mainly produced with a lot of stubbornness and patience but the general selection and multi-line edit functions of Sublime text editor helped. regenerating it took almost a day, so if I need to do it again I will probably write something that converts the output of all 210 docker executions to a ...
How to define object in array in Mongoose schema correctly with 2d geo index
...ay , "default" : [] }
In the second case during insertion make the object and push it into the array like
db.update({'Searching criteria goes here'},
{
$push : {
trk : {
"lat": 50.3293714,
"lng": 6.9389939
} //inserted data is the object to be inserted
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Removing duplicate objects with Underscore for Javascript
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The "'_.pluck' callback shorthand" only works if you pass a value for isSorted (e.g. _.uniq(a, false, 'a')) I pinged github/bestiejs/lodash and they said the issue was fixed on edge. So if you're not using a function, make sure you have the latest. This ...
How do I get Windows to go as fast as Linux for compiling C++?
...ss to Windows source code, it is rarely taken advantage of). Look at this selection of Unix-related performance papers: http://www.eecs.harvard.edu/margo/papers/ or look up the history of papers by Osterhaus, Henry Spencer, or others. Heck, one of the biggest (and most enjoyable to watch) debates i...
Generating a unique machine id
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Parse the SMBIOS yourself and hash it to an arbitrary length. See the PDF specification for all SMBIOS structures available.
To query the SMBIOS info from Windows you could use EnumSystemFirmwareEntries, EnumSystemFirmwareTables and GetSystemFirmware...
Android: remove notification from notification bar
I have created an application and with an event I manage to add notification in android notification bar. Now I need sample how to remove that notification from notification bar on an event ??
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Add new item count to icon on button - Android
...tems under tabs. What I KNOW how to do - is create new icons with red dots and just display them when new stuff available.
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How to implement a unique index on two columns in rails
I have a table and I'm trying to add a unique index on two columns. Those columns are also indexed. So my question is if I just can remove the indexes who were just for one column or if I have to use all three indexes:
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