大约有 22,000 项符合查询结果（耗时：0.0284秒） [XML]
jQuery callback on image load (even when the image is cached)
...
/**
* Trigger a callback when the selected images are loaded:
* @param {String} selector
* @param {Function} callback
*/
var onImgLoad = function(selector, callback){
$(selector).each(function(){
if (this.complete || /*for IE 10-*/ $(this).height() > 0) {
callback.ap...
Is there a better way to do optional function parameters in JavaScript? [duplicate]
...
+1, but typeof returns a string, so you need to put quotes around undefined for this to work: if(typeof myVariable == "undefined")...
– Richard Inglis
Jun 4 '12 at 15:10
...
Python memoising/deferred lookup property decorator
... Tip: Put a @wraps(fn) below @property to not loose your doc strings etc. (wraps comes from functools)
– letmaik
May 29 '14 at 10:12
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How do I rename a project in Xcode 5?
...t will include the info.plist and various files, but also all the relevant strings from nib/xib files like MainMenu menus.
Accept the changes and you will get the prompt to save a snapshot of the project.
Always make a snapshot when Xcode asks, it will be useful to restore if something does not wor...
Class does not implement its superclass's required members
... init, like so:
convenience required init(coder: NSCoder) {
self.init(stringParam: "", intParam: 5)
}
Note the call to an initializer in self. This allows you to only have to use dummy values for the parameters, as opposed to all non-optional properties, while avoiding throwing a fatal error....
Storing money in a decimal column - what precision and scale?
...es are stored using an integer for the smallest unit.
class Currency {
String code; // eg "USD"
int value; // eg 2500
boolean converted;
}
class Price {
Currency grossValue;
Currency netValue;
Tax taxRate;
}
In the database, the values are stored as a string in ...
How to convert java.util.Date to java.sql.Date?
... database. Use a JDBC driver compliant with JDBC 4.2 or later. No need for strings, no need for java.sql.* classes. Hibernate 5 & JPA 2.2 support java.time.
Where to obtain the java.time classes?
Java SE 8, Java SE 9, Java SE 10, Java SE 11, and later - Part of the standard Java API with a bun...
How to force use of overflow menu on devices with menu button
... android:showAsAction="never"
android:title="@string/overflow_item1_title"/>
<item
android:id="@+id/menu_overflow_item2"
android:showAsAction="never"
android:title="@string/overflow_item2_title"/>
...
How to deal with page breaks when printing a large HTML table
...nge it to page-break-after:auto.
It will break correctly and not create an extra blank page.
<html>
<head>
<style>
@media print
{
table { page-break-after:auto }
tr { page-break-inside:avoid; page-break-after:auto }
td { page-break-inside:avoid; page-break-after:auto }...
How can I pass arguments to a batch file?
...le to redirect the output of the echo on, you need the two for-loops.
The extra characters * # are used to be safe against contents like /? (would show the help for REM).
Or a caret ^ at the line end could work as a multiline character, even in after a rem.
Then reading the rem parameter output ...