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Not showing placeholder for input type=“date” field

...format while the input is focused (for people who type the date instead of selecting) – Marco somefox Apr 30 at 14:05 ...
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What is the LD_PRELOAD trick?

...emented by the loader /lib/ld-linux.so. If you want to override just a few selected functions, you can do this by creating an overriding object file and setting LD_PRELOAD; the functions in this object file will override just those functions leaving others as they were. For more information on shar...
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C# elegant way to check if a property's property is null

...rom b in a.PropertyB from c in b.PropertyC select c.Value; This returns null, if any of the nullable properties are null; otherwise, the value of Value. class A { public B PropertyB { get; set; } } class B { public C PropertyC { get; set; } } class C { public strin...
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How do I drop a MongoDB database from the command line?

... Start MongoDB Command for Database drop is : 1. first select the database which you want to delete use < database name > 2. Then use this.. db.dropDatabase() share | ...
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DateTimePicker: pick both date and time

... change Date, then the pop-up calendar can be used whereas in case of Time selection (in the same control you are bound to use up/down keys to change values. For example a custom format " ddddd, MMMM dd, yyyy hh:mm:ss tt " will give you a result like this : "Thursday, August 20, 2009 02:55:23 PM"....
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ToList()— does it create a new list?

...ublic static void RunChangeList() { var objs = Enumerable.Range(0, 10).Select(_ => new MyObject() { SimpleInt = 0 }); var whatInt = ChangeToList(objs); // whatInt gets 0 } public static int ChangeToList(IEnumerable<MyObject> objects) { var objectList = objects.ToList(); o...
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How to set environment variable or system property in spring tests?

...d in eclipse then : 1) Go to Run -> Run Configuration 2) On left side select your Test class under the Junit section. 3) do the following : share | improve this answer | ...
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Check if an element contains a class in JavaScript?

... Element.matches() element.matches(selectorString) According to MDN Web Docs: The Element.matches() method returns true if the element would be selected by the specified selector string; otherwise, returns false. Therefore, you can use Element.matches() to d...
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The simplest way to resize an UIImage?

... I've also seen this done as well (which I use on UIButtons for Normal and Selected state since buttons don't resize to fit). Credit goes to whoever the origina
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Get index of array element faster than O(n)

...gt; [6] } This allows for a quick search for duplicate entries: indices.select { |k, v| v.size > 1 } => { 1 => [0, 3], 2 => [1, 4], 3 => [2, 5] } share | improve this answer ...