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Iterating over all the keys of a map

... slice of the map-keys. // Return keys of the given map func Keys(m map[string]interface{}) (keys []string) { for k := range m { keys = append(keys, k) } return keys } // use `Keys` func func main() { m := map[string]interface{}{ "foo": 1, "bar": true, ...
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How many Activities vs Fragments?

...tent.setClass(getActivity(), DetailsActivity.class); intent.putExtra("index", index); startActivity(intent); } } Another advantage of the ABS pattern is that you do not end up with a Tablet Activity containing lots of logic, and that means that you save memory...
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Coding Practices which enable the compiler/optimizer to make a faster program

...ns" and variable sections. Think of mail-merge. Declare constant text (string literals) as static const When variables are declared without the static, some compilers may allocate space on the stack and copy the data from ROM. These are two unnecessary operations. This can be fixed by using t...
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Unexpected Caching of AJAX results in IE8

...e }); which will cause jQuery to add a random value to the request query string, thereby preventing IE from caching the response. Note that if you have other Ajax calls going on where you do want caching, this will disable it for those too. In that case, switch to using the $.ajax() method and en...
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Why use the params keyword?

...e ill-advised. I don't think there's any reason to avoid it if you need a string and 0-to-many ints or whatever. – Casey Mar 9 '17 at 17:52  |  ...
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how to read value from string.xml in android?

... Try this String mess = getResources().getString(R.string.mess_1); UPDATE String string = getString(R.string.hello); You can use either getString(int) or getText(int) to retrieve a string. getText(int) will retain any rich text st...
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ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]

...must be unique # that is why I like sphinx # you can store custom string fields into indexes (memory) as well sql_field_string = title sql_field_string = slug sql_field_string = content sql_field_string = tags sql_attr_uint = category # integer fields must be define...
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What is the difference between List (of T) and Collection(of T)?

...s that it is returning a new instance. Note that for e.g. a Dictionary<string, List<string>> to return List<string> is just fine, since the dictionary's state only encapsulates the identities of the lists therein, rather than their contents. – supercat ...
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Embed git commit hash in a .Net dll

... version.txt to your .gitignore file Read the embedded text file version string Here's some sample code to read the embedded text file version string: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.IO; using System.Reflection; namespace TryGit...
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ASP MVC href to a controller/view

...y I do the following: <a href="@Url.Action("Index", null, new { area = string.Empty, controller = "User" }, Request.Url.Scheme)"> <span>Clients</span> </a> The result would have http://localhost/10000 (or with whatever port you are using) to be appended to the URL str...