Tutorial by Examples

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

Setup Espresso : androidTestCompile 'com.android.support.test.espresso:espresso-core:2.2.2' androidTestCompile 'com.android.support.test:runner:0.5' ViewMatchers – A collection of objects that implement Matcher<? super View> interface. You can pass one or more of these to the onView met...

You can create and configure build types in the module-level build.gradle file inside the android {} block. android { ... defaultConfig {...} buildTypes { release { minifyEnabled true proguardFiles getDefaultProguar...

To create a blank image, use the imagecreatetruecolor function: $img = imagecreatetruecolor($width, $height); $img is now a resource variable for an image resource with $widthx$height pixels. Note that width counts from left to right, and height counts from top to bottom. Image resources can al...

An image can be created using image* functions, where * is the file format. They have this syntax in common: bool image___(resource $im [, mixed $to [ other parameters]] ) Saving to a file If you want to save the image to a file, you can pass the filename, or an opened file stream, as $to. If ...

<ItemGroup> <DataToCopy Include="*.cs;*.aspx" /> </ItemGroup> <Copy SourceFiles="@(DataToCopy)" DestinationFolder="SourceCopiedFolder" />

Software and hardware prerequisites for installation of BizTalk Server (All versions) Software requirements 1. Development environment Below software tools are required for BizTalk environment, not all of them are needed, but having all might add some advantage for developing BizTalk applications...

A Haskell's Functor allows one to map any type a (an object of Hask) to a type F a and also map a function a -> b (a morphism of Hask) to a function with type F a -> F b. This corresponds to a Category Theory definition in a sense that functor preserves basic category structure. A monoidal ca...

See discussions in "GRANT" and "Recovering root password".

Usually this means that the Master crashed and that sync_binlog was OFF. The solution is to CHANGE MASTER to POS=0 of the next binlog file (see the Master) on the Slave. The cause: The Master sends replication items to the Slave before flushing to its binlog (when sync_binlog=OFF). If the Master cr...

Check for a Firewall issue blocking port 3306. Some possible diagnostics and/or solutions Is the server actually running? "service firewalld stop" and "systemctl disable firewalld" telnet master 3306 Check the bind-address check skip-name-resolve check the socket.

1067 This is probably related to TIMESTAMP defaults, which have changed over time. See TIMESTAMP defaults in the Dates & Times page. (which does not exist yet) 1292/1366 DOUBLE/Integer Check for letters or other syntax errors. Check that the columns align; perhaps you think you are putting i...

When you try access the records from MySQL database, you may get these error messages. These error messages occurred due to corruption in MySQL database. Following are the types MySQL error code 126 = Index file is crashed MySQL error code 127 = Record-file is crashed MySQL error code 134 = Recor...

Error 139 may mean that the number and size of the fields in the table definition exceeds some limit. Workarounds: Re-think the schema Normalize some fields Vertically partition the table

This usually means that the character set handling was not consistent between client and server. See ... for further assistance.

(taking a break) With the inclusion of those 4 error numbers, I think this page will have covered about 50% of the typical errors users get. (Yes, this 'Example' needs revision.) 24 Can't open file (Too many open files) open_files_limit comes from an OS setting. table_open_cache needs to be les...

In some cases basic validation is not enough. Angular support custom validation adding validator functions to the $validators object on the ngModelController: angular.module('app', []) .directive('myValidator', function() { return { // element must have ng-model attribute // o...

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...

An integer type whose value can be either true or false. bool is_even(int x) { return x%2 == 0; } const bool b = is_even(47); // false