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Android allows programmers to place images at all four corners of a TextView. For example, if you are creating a field with a TextView and at same time you want to show that the field is editable, then developers will usually place an edit icon near that field. Android provides us an interesting opt...

AsyncTask is an abstract Class and does not inherit the Thread class. It has an abstract method doInBackground(Params... params), which is overridden to perform the task. This method is called from AsyncTask.call(). Executor are part of java.util.concurrent package. Moreover, AsyncTask contains 2 ...

Input file Mary had a little lamb its fleece was white as snow and everywhere that Mary went the lamb was sure to go. Pig Word Count Code -- Load input from the file named Mary, and call the single -- field in the record 'line'. input = load 'mary' as (line); -- TOKENIZE splits the line...

View content: adb shell ls \$EXTERNAL_STORAGE adb shell ls \$SECONDARY_STORAGE View path: adb shell echo \$EXTERNAL_STORAGE adb shell echo \$SECONDARY_STORAGE

Goal: <FruitBasket xmlns="http://www.fruitauthority.fake"> <Fruit> <FruitName>Banana</FruitName> <FruitColor>Yellow</FruitColor> </Fruit> <Fruit> <FruitName>Apple</FruitName> <FruitColor>Red<...

using System.ComponentModel.DataAnnotations.Schema; [ComplexType] public class BlogDetails { public DateTime? DateCreated { get; set; } [MaxLength(250)] public string Description { get; set; } } public class Blog { ... public BlogDetails BlogDetail { get...

USE master EXEC sp_configure 'max server memory (MB)', 64 RECONFIGURE WITH OVERRIDE

If you want to extract a folder, but you want to exclude one or several folders during the extraction, you can use the --exclude option. tar -cf archive.tar ./my-folder/ --exclude="my-folder/sub1" --exclude="my-folder/sub3" With this folder tree : my-folder/ sub1/ su...

If you know you need a packet <packet>, but you don't know the exact name <packet-exact-name>, instead of searching with Google try with the following: sudo apt-get update apt-cache search <packet> This will return you a list of packets name with a description. Once you have i...

To target Internet Explorer 6 and Internet Explorer 7, start your properties with *: .hide-on-ie6-and-ie7 { *display : none; // This line is processed only on IE6 and IE7 } Non-alphanumeric prefixes (other than hyphens and underscores) are ignored in IE6 and IE7, so this hack works for any...

To target Internet Explorer 8, wrap your selectors inside @media \0 screen { }: @media \0 screen { .hide-on-ie8 { display : none; } } Everything between @media \0 screen { } is processed only by I

It may be helpful to include additional information with an exception, e.g. for logging purposes or to allow conditional handling when the exception is caught: class CustomError < StandardError attr_reader :safe_to_retry def initialize(safe_to_retry = false, message = 'Something went wro...

var path = "/test_javascript_upload.txt"; var content = "data to upload"; var accessToken = "<ACCESS_TOKEN>"; var uploadUrl = "https://content.dropboxapi.com/2/files/upload" var result; var xhr = new XMLHttpRequest(); xhr.onreadystatechange = fun...

If you have a greedy match as the first quantifier, the whole RE will be greedy, If you have non-greedy match as the first quantifier, the whole RE will be non-greedy. set mydata { Device widget1: port: 156 alias: input2 Device widget2: alias: input1 Device widget3: port: 238 alias...

Template Haskell is enabled by the -XTemplateHaskell GHC extension. This extension enables all the syntactic features further detailed in this section. The full details on Template Haskell are given by the user guide. Splices A splice is a new syntactic entity enabled by Template Haskell, writ...

When accessing a non-static member of an object through a pointer to member, if the object does not actually contain the member denoted by the pointer, the behavior is undefined. (Such a pointer to member can be obtained through static_cast.) struct Base { int x; }; struct Derived : Base { int y; ...

Often you want to match an expression only in specific places (leaving them untouched in others, that is). Consider the following sentence: An apple a day keeps the doctor away (I eat an apple everyday). Here the "apple" occurs twice which can be solved with so called backtracking cont...

The following snippet replaces all Attributes called PreviousAttribute by an Attribute called ReplacementAttribute for an entire solution. The sample manually searches the Syntax tree and replaces all affected nodes. static async Task<bool> ModifySolution(string solutionPath) { ...

The following snippet replaces all Attributes called "PreviousAttribute" by an Attribute called "ReplacementAttribute" for an entire solution. The sample manually uses a SyntaxRewriter to exchange the attributes. /// <summary> /// The CSharpSyntaxRewriter allows to rewrit...

Function calls as f(a) always imply a sequence point between the evaluation of the arguments and the designator (here f and a) and the actual call. If two such calls are unsequenced, the two function calls are indeterminately sequenced, that is, one is executed before the other, and order is unspeci...