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If table exists drop table then create it, if it does not exist just create it
...ks for a list of tables or views! DROP TABLE IF EXISTS 'table1', 'table2'; and DROP VIEW IF EXISTS 'view1', 'view2'; PS- What witchcraft did you use to have `s in inline code!?
– Campbeln
Mar 3 '16 at 23:32
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Best way to add Activity to an Android project in Eclipse?
When adding an activity to an existing Android project, I manually create a new class - is that the best / preferred way? How do others handle that?
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How do I rename a local Git branch?
...name a remote branch, as described in Rename master branch for both local and remote Git repositories .
33 Answers
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Modify request parameter with servlet filter
...berate, since the class represents the request as it came from the client, and modifying the parameter would not represent that.
One solution is to use the HttpServletRequestWrapper class, which allows you to wrap one request with another. You can subclass that, and override the getParameter method...
Predicate in Java
... someone guide me to any tutorial or conceptual explanation of Predicate and its implementation in Java?
4 Answers
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Python: Check if one dictionary is a subset of another larger dictionary
...to write a custom filter method that takes an arbitrary number of kwargs and returns a list containing the elements of a database-like list that contain those kwargs .
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What is two way binding?
...d lots that Backbone doesn't do two way binding but I don't exactly understand this concept.
5 Answers
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tooltips for Button
...ossible to create a tooltip for an html button. Its the normal HTML button and there is no Title attribute as it is there for some html controls. Any thoughts or comments?
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How to list all methods for an object in Ruby?
...ons", "table_name_prefix", ...
Note that methods is a method for Classes and for Class instances.
Here's the methods that my User class has that are not in the ActiveRecord base class:
>> User.methods - ActiveRecord::Base.methods
=> ["field_types", "su_pw?", "set_login_attr", "create_u...
Failed to load c++ bson extension
...l (on a mac)
or sudo apt-get install gcc make build-essential (on ubuntu)
and run
rm -rf node_modules
npm cache clean
npm install
OR just npm update based on @tobias comment (after installing build-essential)
npm update
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