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How to check if character is a letter in Javascript?

... answered Mar 25 '12 at 21:21 bezmaxbezmax 23k1010 gold badges4545 silver badges8383 bronze badges ...
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Create unique constraint with null columns

..., menu_id, recipe_id) WHERE menu_id IS NOT NULL; CREATE UNIQUE INDEX favo_2col_uni_idx ON favorites (user_id, recipe_id) WHERE menu_id IS NULL; This way, there can only be one combination of (user_id, recipe_id) where menu_id IS NULL, effectively implementing the desired constraint. Possible dra...
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PHP json_decode() returns NULL with valid JSON?

... 21 Answers 21 Active ...
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Ruby Hash to array of values

... 265 Also, a bit simpler.... >> hash = { "a"=>["a", "b", "c"], "b"=>["b", "c"] } =>...
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Adding up BigDecimals using Streams

... 3.1. We supply an identity value for addition, namely BigDecimal.ZERO. 3.2. We specify the BinaryOperator<BigDecimal>, which adds two BigDecimal's, via a method reference BigDecimal::add. Updated answer, after edit I see that you have added new data, therefore the new answer will become: ...
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Check if a string is null or empty in XSLT

... 323 test="categoryName != ''" Edit: This covers the most likely interpretation, in my opinion, of...
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Finding duplicates in O(n) time and O(1) space

... | edited Nov 25 '15 at 9:44 answered Apr 21 '11 at 3:54 ...
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How to handle initializing and rendering subviews in Backbone.js?

... 260 This is a great question. Backbone is great because of the lack of assumptions it makes, but i...
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How do I decode a URL parameter using C#?

... answered Sep 10 '09 at 12:41 TheVillageIdiotTheVillageIdiot 37.3k1919 gold badges123123 silver badges180180 bronze badges ...
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How do I import the javax.servlet API in my Eclipse project?

...ntainer-specific libraries like servlet-api.jar, jsp-api.jar, el-api.jar, j2ee.jar, javaee.jar, etc. It would only lead to future portability, compatibility, classpath and maintainability troubles, because your webapp would not work when it's deployed to a servletcontainer of a different make/versio...