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Alter MySQL table to add comments on columns
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try:
ALTER TABLE `user` CHANGE `id` `id` INT( 11 ) COMMENT 'id of user'
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How can I join multiple SQL tables using the IDs?
...ableB.*, TableC.*, TableD.*
FROM TableA
JOIN TableB
ON TableB.aID = TableA.aID
JOIN TableC
ON TableC.cID = TableB.cID
JOIN TableD
ON TableD.dID = TableA.dID
WHERE DATE(TableC.date)=date(now())
In your example, you are not actually including TableD. All you have...
Best way to do multiple constructors in PHP
...t() {
// allocate your stuff
}
public static function withID( $id ) {
$instance = new self();
$instance->loadByID( $id );
return $instance;
}
public static function withRow( array $row ) {
$instance = new self();
$instance->fill...
Adding elements to object
... many element objects. Code example:
var element = {}, cart = [];
element.id = id;
element.quantity = quantity;
cart.push(element);
If you want cart to be an array of objects in the form { element: { id: 10, quantity: 1} } then perform:
var element = {}, cart = [];
element.id = id;
element.quant...
How do I use ROW_NUMBER()?
... the second question, the primary key of the row is what should be used to identify a particular row. Don't try and use the row number for that.
If you returned Row_Number() in your main query,
SELECT ROW_NUMBER() OVER (Order by Id) AS RowNumber, Field1, Field2, Field3
FROM User
Then when you...
Change the selected value of a drop-down list with jQuery
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Does this work if the select is hidden (display: none;)? I can't get it to work right...
– Padel
Jul 13 '10 at 15:10
11
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How to change progress bar's progress color in Android
I'm using an horizontal progress bar in my Android application, and I want to change its progress color (which is Yellow by default). How can I do it using code (not XML)?
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How can I disable a button in a jQuery dialog from a function?
...veral dialogs you have to define what dialog you need to change: $("#dialogId").parent().$(":button:contains('Authenticate')").attr("disabled","disabled").addClass( 'ui-state-disabled' );
– podeig
May 25 '11 at 13:19
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Clone private git repo with dockerfile
...# to retrieve this private key file from the corresponding image layer
ADD id_rsa /root/.ssh/id_rsa
# Create known_hosts
RUN touch /root/.ssh/known_hosts
# Add bitbuckets key
RUN ssh-keyscan bitbucket.org >> /root/.ssh/known_hosts
# Clone the conf files into the docker container
RUN git clon...
Changing the selected option of an HTML Select element
...ain old JavaScript:
var val = "Fish";
var sel = document.getElementById('sel');
document.getElementById('btn').onclick = function() {
var opts = sel.options;
for (var opt, j = 0; opt = opts[j]; j++) {
if (opt.value == val) {
sel.selectedIndex = j;
break;
}
}
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