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How to implement the factory method pattern in C++ correctly
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First of all, there are cases when
object construction is a task complex
enough to justify its extraction to
another class.
I believe this point is incorrect. The complexity doesn't really matter. The relevance is what does. I...
How to remove an item from an array in AngularJS scope?
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Your issue is not really with Angular, but with Array methods. The proper way to remove a particularly item from an array is with Array.splice. Also, when using ng-repeat, you have access to the special $index property, which is the current inde...
Checking if form has been submitted - PHP
...for in some cases (e.g. with check boxes and button without a name). You really should use:
if ($_SERVER['REQUEST_METHOD'] == 'POST')
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MySQL, Check if a column exists in a table with SQL
...pecific column, and if not — create it. Otherwise do nothing. This is really an easy procedure in any enterprise-class database, yet MySQL seems to be an exception.
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What is the purpose of flush() in Java streams?
...Java, flush() method is used in streams. But I don't understand what are all the purpose of using this method?
6 Answers
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Value of type 'T' cannot be converted to
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Addition: C++ templates are essentially cut-and-paste at compile time with the correct values substituted. In C# the actual generic template (not an "instantiation" of it) exists after compilation and thus must (pardon the pun) be generic across the specified ...
How do I enable standard copy paste for a TextView in Android?
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What does FETCH_HEAD in Git mean?
...it like doing git fetch without arguments (or git remote update), updating all your remote branches, then running git merge origin/<branch>, but using FETCH_HEAD internally instead to refer to whatever single ref was fetched, instead of needing to name things.
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Is it possible to rename a maven jar-with-dependencies?
...jar-with-dependencies" suffix.
The configuration below will output a jar called "test.jar"
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.2-beta-4</version>
<executions>
<execution>
<id>jar-with-dependencies</id...
Calendar Recurring/Repeating Events - Best Storage Method
... didn't want to have a large number of rows, and I wanted to easily lookup all events that would take place on a specific date.
The method below is great at storing repeating information that occurs at regular intervals, such as every day, every n days, every week, every month every year, etc etc. ...