Tutorial by Topics: d

The Cassandra Driver from Datastax very much mirrors the Java JDBC MySQL driver. Session, Statement, PreparedStatement are present in both drivers. The Singleton Connection is from this question and answer: http://stackoverflow.com/a/24691456/671896 Feature wise, Cassandra 2 and 3 are identical...

When you need to handle time information for a worldwide user base in MySQL, use the TIMESTAMP data type in your tables. For each user, store a user-preference timezone column. VARCHAR(64) is a good data type for that column. When a user registers to use your system, ask for the time zone value. ...

You need to be at MySQL version 5.6.4 or later to declare columns with fractional-second time datatypes. For example, DATETIME(3) will give you millisecond resolution in your timestamps, and TIMESTAMP(6) will give you microsecond resolution on a *nix-style timestamp. Read this: http://dev.mysql....

Ember g [blueprints.eg: route] [name] --pod Ember g route foo --pod Ember g component my-name --pod Generatepodsg--pod Just pass --pod to ember generate when generating new files. If you would like to use the pods structure as the default for your project, you can set usePods in your .e...

In November 2014, the C++ Standardization Committee adopted proposal N3922, which eliminates the special type deduction rule for auto and braced initializers using direct initialization syntax. This is not part of the C++ standard but has been implemented by some compilers.

A scope is "the range in which a variable can be referenced". ColdFusion knows — as well as most other programming and script languages — several scopes. The following text deals with these types and trys to bring clarity about them, their differences and their characteristics.

<?php $trimmed_text = wp_trim_words( $text, $num_words = 55, $more = null ); ?> ParameterDetails$text(String) (Required) Text that will be shortened or trimmed.$num_words(Integer) (Required) Number of words to which text will be restricted.$more(String) (Optional) What to append if $te...

Redis supports two main modes of persistence: RDB and AOF. The RDB mode of persistence takes a snapshot of your database at a point in time. In the RDB mode, Redis forks off a process to persist the database to disk. AOF logs every operation executed against the server into a replay log that can ...

GCC provide some documentation of gcov here Gcovr and Lcov can be used to help generate and summarize the coverage results

The new chrome v8 engine is partially ES7 compliant. So if we add "use strict"; to top of our file (typescript do that when transpiles typescript) we have to make sure that any functions that are on the global scope are actually assigned to the global scope. so we should use self.funct...

If injecting more than one class, the order you put them in the @inject() statement does not matter. However, the order they appear in the @inject() statement must match the order of the parameters in the constructor.

The class std::any provides a type-safe container to which we can put single values of any type.

For debugging and troubleshooting in Codeigniter, you can use Profiler, part of Output library