大约有 19,000 项符合查询结果（耗时：0.0338秒） [XML]
Handling optional parameters in javascript
...can check if your second argument is a function or not:
function getData (id, parameters, callback) {
if (arguments.length == 2) { // if only two arguments were supplied
if (Object.prototype.toString.call(parameters) == "[object Function]") {
callback = parameters;
}
}
//...
}
...
Automatically resize jQuery UI dialog to the width of the content loaded by ajax
...'ve just wrote a tiny sample app using JQuery 1.4.1 and UI 1.8rc1. All I did was specify the constructor as:
var theDialog = $(".mydialog").dialog({
autoOpen: false,
resizable: false,
modal: true,
width:'auto'
});
I know you said that this makes it take up 100% wi...
How can a Java program get its own process ID?
How do I get the id of my Java process?
22 Answers
22
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How to change color of Android ListView separator line?
...
You can set this value in a layout xml file using android:divider="#FF0000". If you are changing the colour/drawable, you have to set/reset the height of the divider too.
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_c...
How do I add indices to MySQL tables?
...
ALTER TABLE `table` ADD INDEX `product_id_index` (`product_id`)
Never compare integer to strings in MySQL. If id is int, remove the quotes.
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How do I update/upsert a document in Mongoose?
...goose does not support these hooks with this method:
defaults
setters
validators
middleware
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css label width not taking effect
...e to align the labels and the input fields.
For some reason when I give a width to the label selector, nothing happens:
6 A...
Cannot change column used in a foreign key constraint
... WRITE;
ALTER TABLE favorite_food
DROP FOREIGN KEY fk_fav_food_person_id,
MODIFY person_id SMALLINT UNSIGNED;
Now you can change you person_id
ALTER TABLE person MODIFY person_id SMALLINT UNSIGNED AUTO_INCREMENT;
recreate foreign key
ALTER TABLE favorite_food
ADD CONSTRAINT fk_fa...
onchange event on input type=range is not triggering in firefox while dragging
...ype="range"> , Firefox triggers an onchange event only if we drop the slider to a new position where Chrome and others triggers onchange events while the slider is dragged.
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Chrome: timeouts/interval suspended in background tabs?
...ke the timeouts have been running a lot slower. Tested in FF4 or IE9 this didn't occur.
6 Answers
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