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What's the difference between findAndModify and update in MongoDB?
... no other update operation interfering with it?
– chaonextdoor
May 28 '12 at 4:44
79
@chaonextdoo...
Validation of radio button group using jQuery validation plugin
How to perform validation for a radio button group (one radio button should be selected) using jQuery validation plugin?
8 ...
Foreign key from one app into another in Django
... Relevant docs can be found here
– Nathan Jones
Feb 10 '17 at 18:49
Is it okay to have foreign keys across m...
jQuery - multiple $(document).ready …?
...</script>
Demo As you can see they do not replace each other
Also one thing i would like to mention
in place of this
$(document).ready(function(){});
you can use this shortcut
jQuery(function(){
//dom ready codes
});
...
How to get subarray from array?
...d. console.log(ar); // -> [1, 2, 3, 4, 5]
– daemonexmachina
Dec 18 '18 at 18:35
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How to merge multiple lists into one list in python? [duplicate]
... Ok there is a file which has different words in 'em. I have done s = [word] to put each word of the file in list. But it creates separate lists (print s returns ['it]']['was']['annoying']) as I mentioned above. I want to merge all of them in one list.
– user145275...
How to select all records from one table that do not exist in another table?
...ally, We ignore all fields from our result except for the name column (the one we are sure that exists, from table1).
While it may not be the most performant method possible in all cases, it should work in basically every database engine ever that attempts to implement ANSI 92 SQL
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Why is processing a sorted array faster than processing an unsorted array?
... guess left. If it alternates, then you alternate your guesses. If it goes one way every three times, you guess the same...
In other words, you try to identify a pattern and follow it. This is more or less how branch predictors work.
Most applications have well-behaved branches. So modern branch pre...
EF Code First foreign key without navigation property
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With EF Code First Fluent API it is impossible. You always need at least one navigation property to create a foreign key constraint in the database.
If you are using Code First Migrations you have the option to add a new code based migration on the package manager console (add-migration SomeNewSc...
MySQL select one column DISTINCT, with corresponding other columns
...lts every time you would execute the query. But i would be sure whether anyone should use undocumented features in production environment.
– Arunas Junevicius
Jun 3 '13 at 14:54
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