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Trending in Stackoverflow

See what the Stackoverflow community is most excited about today.

Date: 2017-10-16

  1. Convert Linq Query Result to Dictionary

    tags: c#, linq, linq-to-sql, todictionary

    229 votes, 4 answers and 210236 views

    \r\n I want to add some rows to a database using Linq to SQL, but I want to make a "custom check" before adding the rows to know if I must add, replace or ignore the incomming rows.\nI'd like to keep the ...\r\n

  2. Convert array to JSON

    tags: javascript, jquery, json, arrays

    274 votes, 6 answers and 705989 views

    \r\n I have an Array (var cars = []) which holds a few integers.\nI've added a few values to the array, but I now need to send this array to a page via jQuery's .get method. How can I convert it to a JSON ...\r\n

  3. Set a default parameter value for a JavaScript function

    tags: javascript, function, parameters, default-parameters

    1769 votes, 13 answers and 957445 views

    \r\n I would like a JavaScript function to have optional arguments which I set a default on, which gets used if the value isn't defined. In Ruby you can do it like this:\n\ndef read_file(file, delete_after =...\r\n

  4. “Find next” in vim

    tags: vim, editing

    383 votes, 7 answers and 200900 views

    \r\n To search forward in vim for cake, I'd type /cake, but the cursor jumps to the first match when I press return. Is there a vim command analogous to "find next"?\r\n

  5. Why does parseInt yield NaN with Array#map?

    tags: javascript

    205 votes, 7 answers and 27135 views

    \r\n From the Mozilla Developer Network:\n\n[1,4,9].map(Math.sqrt)\r\nwill yield:\n\n[1,2,3]\r\nWhy then does this:\n\n['1','2','3'].map(parseInt)\r\nyield this:\n\n[1, NaN, NaN]\r\nI have tested in Firefox 3.0.1 and ...\r\n

  6. The most elegant way to iterate the words of a string

    tags: c++, string, split

    2402 votes, 72 answers and 1817020 views

    \r\n What is the most elegant way to iterate the words of a string? The string can be assumed to be composed of words separated by whitespace.\n\nNote that I'm not interested in C string functions or that ...\r\n

  7. Using cURL with a username and password?

    tags: curl, credentials

    238 votes, 10 answers and 347709 views

    \r\n I want to access a URL which requires a username/password. I'd like to try accessing it with curl. Right now I'm doing something like:\n\ncurl http://api.somesite.com/test/blah?something=123\r\nI get an ...\r\n

  8. How to git clone including submodules?

    tags: git, git-submodules

    1222 votes, 8 answers and 404738 views

    \r\n I'm trying to put a submodule into a repo. \n\nThe problem is that when I clone the parent repo, the submodule folder is entirely empty.\n\nIs there any way to make it so that 'git clone parent' actually ...\r\n

  9. Why does this code, written backwards, print “Hello World!”

    tags:

    223 votes, 4 answers and 11614 views

    \r\n Here is some code that I found on the Internet:\n\nclass M‮{public static void main(String[]a‭){System.out.print(new char[]\n{'H','e','l','l','o',' ','W','o','r','l','d','!'});}} \r\nThis code prints ...\r\n

  10. How to ignore a property in class if null, using json.net

    tags: c#, json.net

    249 votes, 8 answers and 147430 views

    \r\n I am using Json.NET to serialize a class to JSON.\n\nI have the class like this:\n\nclass Test1\n{\n [JsonProperty("id")]\n public string ID { get; set; }\n [JsonProperty("label")]\n public string ...\r\n