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How do I stop Entity Framework from trying to save/insert child objects?

...like this: public class City { public int Id { get; set; } public string Name { get; set; } } public class School { public int Id { get; set; } public string Name { get; set; } [Required] public City City { get; set; } } And you might do the School insertion like this (a...
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Making the iPhone vibrate

...esPlayAlertSound(kSystemSoundID_Vibrate) Instead of having to go thru the extra cast step (Props to @Dov) Original Answer (Swift 1.x) And, here's how you do it on Swift (in case you ran into the same trouble as I did) Link against AudioToolbox.framework (Go to your project, select your target, buil...
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Android: How can I validate EditText input?

...ged. But you could directly check the contents of the EditText boxes like String txt1String = txt1.getText().toString(); // Validate txt1String in the same method. I hope I'm clear and if I am, it helps! :) EDIT: For a cleaner approach refer to Christopher Perry's answer below. ...
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How to break nested loops in JavaScript? [duplicate]

... loops to separate functions, it will run marginally slower because of the extra function calls. – Tim Down Oct 14 '09 at 10:39  |  show 2 mor...
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Adding a new entry to the PATH variable in ZSH

...hen when it runs .zshrc (or .bashrc or whatever), that's what lets you add extra things to that path. – Linuxios Nov 18 '19 at 0:04  |  show 6...
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getString Outside of a Context or Activity

I've found the R.string pretty awesome for keeping hardcoded strings out of my code, and I'd like to keep using it in a utility class that works with models in my application to generate output. For instance, in this case I am generating an email from a model outside of the activity. ...
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Add a property to a JavaScript object using a variable as the name?

...bstitution, variables, etc. Bracket notation is open ended. It uses a string but you can produce the string using any legal js code. You may specify the string as literal (though in this case dot notation would read easier) or use a variable or calculate in some way. So, these all set the myO...
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What is the “double tilde” (~~) operator in JavaScript? [duplicate]

... browsers, and not faster at all in some browsers. If you really need that extra bit of performance, you would need to write different optimised code for each browser. See: tilde vs floor share | im...
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Quickly find whether a value is present in a C array?

... In this case we are preventing an attacker from guessing the length of a string. Usually the attacker will take several million samples of a function invocation to perform a timing attack. – OregonTrail Sep 5 '14 at 17:19 ...
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Calendar.getInstance(TimeZone.getTimeZone(“UTC”)) is not returning UTC time

...urns a Date from getTime(). It is the Date which is getting converted to a string for println, and that conversion will use the default IST timezone in your case. You'll need to explicitly use DateFormat.setTimeZone() to print the Date in the desired timezone. EDIT: Courtesy of @Laurynas, consider...