大约有 22,000 项符合查询结果（耗时：0.0285秒） [XML]
Convert LocalDate to LocalDateTime or java.sql.Timestamp
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got compile error on argument as valueOf() accepts a string.
– Patriotic
Jul 3 at 17:32
1
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How do I add options to a DropDownList using jQuery?
...<option value=\"2\">2</option>")
-> Here u can use direct string
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find() with nil when there are no records
...ou already have a block such as a controller method. In that case the only extra line you need is the rescue line. Much more elegant and easier to handle than checking for nil with an if statement.
– morgler
Aug 1 '17 at 7:30
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How do I limit the number of returned items?
...ction takes are as follows:
conditions «Object».
[projection] «Object|String» optional fields to return, see Query.prototype.select()
[options] «Object» optional see Query.prototype.setOptions()
[callback] «Function»
How to limit
const Post = require('./models/Post');
Post.find(
{ pu...
Dynamic type languages versus static type languages
...t be proven by the compiler. A simple example being if(1) a = 3; else a = "string";, surely since it's always true, the else-branch will never be executed in the program, and no type error shall occur. But it can't prove these cases in a general way, so it's rejected. This is the major weakness of a...
Is there a standard for storing normalized phone numbers in a database?
...rwegian contact info I find that quite often it gets rejected.
Leave it a string, unless you have some specific need for something more advanced.
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Limit text length to n lines using CSS
... var max = 200;
var tot, str;
$('.text').each(function() {
str = String($(this).html());
tot = str.length;
str = (tot <= max)
? str
: str.substring(0,(max + 1))+"...";
$(this).html(str);
});
},500); // Delayed for example only.
.text {
position: relati...
How can I make a JPA OneToOne relation lazy
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private Date createdOn;
@Column(name = "created_by")
private String createdBy;
@OneToOne(fetch = FetchType.LAZY)
@MapsId
private Post post;
public PostDetails() {}
public PostDetails(String createdBy) {
createdOn = new Date();
this.createdBy = cre...
Clone Object without reference javascript [duplicate]
...uments[ i ] || {};
i++;
}
// Handle case when target is a string or something (possible in deep copy)
if ( typeof target !== "object" && !jQuery.isFunction(target) ) {
target = {};
}
// extend jQuery itself if only one argument is passed
if ( i === l...
Generate random number between two numbers in JavaScript
... a | 0 is also the fastest and most optimized way to convert a string to an integer. It only works with strings containing integers ("444" and "-444"), i.e. no floats/fractions. It yields a 0 for everything that fails. It is one of the main optimizations behind asm.js.
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