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What is the difference between
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482
<% %>
Executes the ruby code within the brackets.
<%= %>
Prints something into er...
When are C++ macros beneficial? [closed]
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38 Answers
38
Active
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Email Address Validation in Android on EditText [duplicate]
... milosmns
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answered Apr 4 '13 at 9:58
user1737884user1737884
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Function vs. Stored Procedure in SQL Server
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edited Jun 18 at 14:46
wha7ever
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How to lock orientation during runtime
... Josh Lee
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answered Mar 2 '10 at 21:06
hasemanhaseman
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How can I create an executable JAR with dependencies using Maven?
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edited Feb 21 '13 at 8:37
community wiki
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JavaScript object: access variable property by name as string [duplicate]
...you have a nested object like so:
var foo = { a: 1, b: 2, c: {x: 999, y:998, z: 997}};
you can access property x of c as follows:
var cx = foo['c']['x']
If a property is undefined, an attempt to reference it will return undefined (not null or false):
foo['c']['q'] === null
// returns false
f...
How do you save/store objects in SharedPreferences on Android?
...endency in your Gradle file:
implementation 'com.google.code.gson:gson:2.8.5'
Creating a shared preference:
SharedPreferences mPrefs = getPreferences(MODE_PRIVATE);
To save:
MyObject myObject = new MyObject;
//set variables of 'myObject', etc.
Editor prefsEditor = mPrefs.edit();
Gson gson ...
Mysql error 1452 - Cannot add or update a child row: a foreign key constraint fails
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answered Aug 10 '09 at 7:38
nosnos
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MySQL: How to copy rows, but change a few fields?
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286
INSERT INTO Table
( Event_ID
, col2
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)
SELECT ...