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How to add 'ON DELETE CASCADE' in ALTER TABLE statement
...t instead of modify constraint.
Now this is the command:
ALTER TABLE child_table_name
ADD CONSTRAINT fk_name
FOREIGN KEY (child_column_name)
REFERENCES parent_table_name(parent_column_name)
ON DELETE CASCADE;
s...
How to find my Subversion server version number?
...ion in a FAQ:
http://code.google.com/p/support/wiki/SubversionFAQ#What_version_of_Subversion_do_you_use?
If another custom SVN servers
TBD
Please edit to finish this answer
For CLIENT (not the original question):
svn --version
...
What is the use of making constructor private in a class?
...tor (C++):
Iterator Container::begin() { return Iterator(this->beginPtr_); }
// Iterator(pointer_type p) constructor is private,
// and Container is a friend of Iterator.
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How can you zip or unzip from the script using ONLY Windows' built-in capabilities?
...rks.. so I am guessing you dont need .NET 4.5
– alpha_989
Mar 9 '18 at 18:17
...
How to build query string with Javascript
...ues from the form ..
it's not perfect but it fits my needs.
function form_params( form )
{
var params = new Array()
var length = form.elements.length
for( var i = 0; i < length; i++ )
{
element = form.elements[i]
if(element.tagName == 'TEXTAREA' )
{
...
How to log something in Rails in an independent log file?
...t like the usual Rails logger:
class User < ActiveRecord::Base
def my_logger
@@my_logger ||= Logger.new("#{Rails.root}/log/my.log")
end
def before_save
my_logger.info("Creating user with name #{self.name}")
end
end
Here I used a class attribute to memoize the logger. This way ...
How do I set up IntelliJ IDEA for Android applications?
...n a Mac, the Java JDK appears at /Library/Java/JavaVirtualMachines/jdk1.7.0_09.jdk
– emrys57
Nov 22 '12 at 14:13
1
...
How to put a delay on AngularJS instant search?
...e understandable answer than accepted :) Thanks!
– OZ_
Sep 16 '13 at 23:22
3
Isn't there an issue...
How to load an ImageView by URL in Android? [closed]
....execute("http://java.sogeti.nl/JavaBlog/wp-content/uploads/2009/04/android_icon_256.png");
public void onClick(View v) {
startActivity(new Intent(this, IndexActivity.class));
finish();
}
private class DownloadImageTask extends AsyncTask<String, Void, Bitmap> {
ImageView bmImage...
How do I monitor the computer's CPU, memory, and disk usage in Java?
...s seconds to be effective. (note: I didn't try)
– Juh_
May 25 '18 at 14:02
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