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How to read contacts on Android 2.0

..., ContactsContract.Contacts.HAS_PHONE_NUMBER, }; String SELECTION = ContactsContract.Contacts.HAS_PHONE_NUMBER + "='1'"; Cursor contacts = managedQuery(contactUri, PROJECTION, SELECTION, null, null ); The above chunk of code returns a Cursor that points to the resulting query t...
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How can I join multiple SQL tables using the IDs?

... You want something more like this: SELECT TableA.*, TableB.*, TableC.*, TableD.* FROM TableA JOIN TableB ON TableB.aID = TableA.aID JOIN TableC ON TableC.cID = TableB.cID JOIN TableD ON TableD.dID = TableA.dID WHERE DATE(Tab...
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List of standard lengths for database fields

...ize for names in your database. In particular, do not assume that a four-character Japanese name in UTF-8 will fit in four bytes – you are likely to actually need 12. https://www.w3.org/International/questions/qa-personal-names For database fields, VARCHAR(255) is a safe default choic...
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jquery how to empty input field

... On a related note, .val([]) can also unselect any selected option in select list... not so much with .val(''). Best thing about it is it's cross-browser support. P.S: This is an alternative to only other efficient cross-browser solution - $("select option").prop("...
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Why is setTimeout(fn, 0) sometimes useful?

... recently run into a rather nasty bug, wherein the code was loading a <select> dynamically via JavaScript. This dynamically loaded <select> had a pre-selected value. In IE6, we already had code to fix the selected <option> , because sometimes the <select> 's selected...
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How to construct a REST API that takes an array of id's for the resources

...rRepository.GetAllUsersByIds(userIds); var collection = users.Select(user => new { id = user.Id, fullname = user.FirstName +" "+ user.LastName }); var result = new { users = collection }; return this.Jsonp(result); } public IQueryable<User&...
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find vs find_by vs where

...irb(main):037:0> @kit = Kit.find_by(number: "3456") Kit Load (0.9ms) SELECT "kits".* FROM "kits" WHERE "kits"."number" = '3456' LIMIT 1 => #<Kit id: 1, number: "3456", created_at: "2015-05-12 06:10:56", updated_at: "2015-05-12 06:10:56", job_id: nil> irb(main):038:0> @kit.upd...
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Similar to jQuery .closest() but traversing descendants?

... These examples all select depth-first descendants, not breadth-first, so these can't be used to solve the original question. In my testing they all returned the first span, not the second. – JrBaconCheez M...
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Show an image preview before upload

... code snippet in the HTML example below filters out images from the user's selection and renders selected files into multiple thumbnail previews: function handleFileSelect(evt) { var files = evt.target.files; // Loop through the FileList and render image files as thumbnails. fo...
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Const before or const after?

...to constant pointer. Brilliant. And finally it explains why I can do const char as well as char const. – Vit Bernatik Mar 10 '17 at 17:48 2 ...