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How do I ignore files in a directory in Git?
What is the proper syntax for the .gitignore file to ignore files in a directory?
10 Answers
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Installing PDO driver on MySQL Linux server
...go, to change my code to use PDO in order to parameterize my queries and safely save HTML in the database.
6 Answers
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How do I create a unique constraint that also allows nulls?
...rver 2008
You cannot create a UNIQUE constraint and allow NULLs. You need set a default value of NEWID().
Update the existing values to NEWID() where NULL before creating the UNIQUE constraint.
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Using CSS in Laravel views?
I've just began learning Laravel, and can do the basics of a controller and routing.
18 Answers
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What is the difference between partitioning and bucketing a table in Hive ?
...file system in memory.
Bucketing is another technique for decomposing data sets into more manageable parts. For example, suppose a table using date as the top-level partition and employee_id as the second-level partition leads to too many small partitions. Instead, if we bucket the employee table an...
How to print color in console using System.out.println?
...ne constants like these for the colors:
public static final String ANSI_RESET = "\u001B[0m";
public static final String ANSI_BLACK = "\u001B[30m";
public static final String ANSI_RED = "\u001B[31m";
public static final String ANSI_GREEN = "\u001B[32m";
public static final String ANSI_YELLOW = "\u00...
Angular JS: What is the need of the directive’s link function when we already had directive’s contro
...directive works on the DOM (after getting attached). Therefore:
(1) After setting up the view[V] (i.e. template) with link. $scope is our [M] and $controller is our [C] in M V C
(2) Take advantage the 2-way binding with $scope by setting up watches.
(3) $scope watches are expected to be added in ...
Oracle “(+)” Operator
I am checking some old SQL Statements for the purpose of documenting them and probably enhancing them.
4 Answers
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MySQL select where column is not empty
... in the phone2 field. IS NOT NULL returns everything that literally is not set to NULL, even the empty string "". !='', or <>'' as Ivan said in the accepted answer, will not return empty strings or NULL values. In other words IS NOT NULL is a subset of !='', but they are not equivalent.
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How does LMAX's disruptor pattern work?
...he complexities of maintaining the consumed sequence numbers and provide a set of simple callbacks when important events occur. However, there are a couple of subtle differences.
The Disruptor uses a 1 thread - 1 consumer model, where Actors use an N:M model i.e. you can have as many actors as you...