大约有 20,000 项符合查询结果（耗时：0.0259秒） [XML]
Javascript : Send JSON Object with Ajax?
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With jQuery:
$.post("test.php", { json_string:JSON.stringify({name:"John", time:"2pm"}) });
Without jQuery:
var xmlhttp = new XMLHttpRequest(); // new HttpRequest instance
xmlhttp.open("POST", "/json-handler");
xmlhttp.setRequestHeader("Con...
Start an Activity with a parameter
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Having statics will make Your testing very hard.
– John Tribe
Jan 27 '18 at 19:53
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Eclipse: Referencing log4j.dtd in log4j.xml
...ss to access them on their native (web) location.
I did it like this (for test) and eclipse does not complain:
Entry element: URI
Location: C:\Users\me\Desktop\log4j.dtd
URI: file:///C:/Users/me/Desktop/log4j.dtd
Key type: URI
Key: http://logging.apache...
Java Generics Wildcarding With Multiple Classes
...ss level.
import java.util.List;
interface A{}
interface B{}
public class Test<E extends B & A, T extends List<E>> {
T t;
}
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Best practices for in-app database migration for Sqlite
...tring stringWithFormat:@"PRAGMA user_version = %d", DatabaseSchemaVersionLatest] UTF8String], NULL, NULL, NULL);
}
Here's [self database] method that lazily opens the database:
- (FMDatabase *)database {
if (!_databaseOpen) {
_databaseOpen = YES;
NSString *documentsDir = [NSS...
generate days from date range
...-01-24
2010-01-23
2010-01-22
2010-01-21
2010-01-20
Notes on Performance
Testing it out here, the performance is surprisingly good: the above query takes 0.0009 sec.
If we extend the subquery to generate approx. 100,000 numbers (and thus about 274 years worth of dates), it runs in 0.0458 sec.
In...
How can I position my div at the bottom of its container?
...and without using tables (which screw with markup and such).
DEMO
This is tested to work on IE>7, chrome, FF & is a really easy thing to add to your existing layout.
<div id="container">
Some content you don't want affected by the "bottom floating" div
<div>supports no...
Initialization of an ArrayList in one line
I wanted to create a list of options for testing purposes. At first, I did this:
31 Answers
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Has Facebook sharer.php changed to no longer accept detailed parameters?
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If you encode the & in your URL to %26 it works correctly. Just tested and verified.
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How to RSYNC a single file?
...had written code that generated commands in this form so, given sufficient tests covering the relevant code, these commands are 'safe'.
– Kenny Evitt
Feb 29 '16 at 14:51
add a...