大约有 18,500 项符合查询结果（耗时：0.0277秒） [XML]
How should I use try-with-resources with JDBC?
...ve to refer to a separate method:
public List<User> getUser(int userId) {
String sql = "SELECT id, username FROM users WHERE id = ?";
List<User> users = new ArrayList<>();
try (Connection con = DriverManager.getConnection(myConnectionURL);
PreparedStatement ps...
showDialog deprecated. What's the alternative?
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From http://developer.android.com/reference/android/app/Activity.html
public final void showDialog (int id) Added in API level 1
This method was deprecated in API level 13. Use the new DialogFragment
class with FragmentManager instead; this ...
How to scroll HTML page to given anchor?
... @MarkusZeller, why shouldn't the parameter be called hash? It doesn't collide with location, does it?
– Gherman
Dec 5 '16 at 12:46
4
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_=> what does this underscore mean in Lambda expressions?
...going to ignore it.
It's basically exploiting the syntax for what a legal identifier in C# constitutes, and since an identifier can start with an underscore, and contain nothing else, it's just a parameter name.
You could just have easily have written:
var _ = 10;
...
How can I resize an image dynamically with CSS as the browser width/height changes?
... even require media queries.
To make the images flexible, simply add max-width:100% and height:auto. Image max-width:100% and height:auto works in IE7, but not in IE8 (yes, another weird IE bug). To fix this, you need to add width:auto\9 for IE8.
source: http://webdesignerwall.com/tutorials/respons...
Is there any good dynamic SQL builder library in Java? [closed]
...(name:"t1",description:"XXX");
def col1 = new Column(primaryKey:true,name:"id",type:"bigint",required:true);
t.addColumn(col1);
t.addColumn(new Column(name:"c2",type:"DECIMAL",size:"8,2"));
t.addColumn( new Column(name:"c3",type:"varchar"));
t.addColumn(new Column(name:"c4",type:"TIMESTAMP",descript...
MySql: Tinyint (2) vs tinyint(1) - what is the difference?
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It means display width
Whether you use tinyint(1) or tinyint(2), it does not make any difference.
I always use tinyint(1) and int(11), I used several mysql clients (navicat, sequel pro).
It does not mean anything AT ALL! I ran a test, all a...
PHP method chaining?
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I didn't think so either, but it should work right? Perhaps if PHP4 wasn't so PHP4-ish.
– alex
Sep 16 '10 at 6:26
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How to change the status bar color in Android?
...all it's not a duplicate as in How to change the background color of android status bar
19 Answers
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What's the best way to share data between activities?
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Here a compilation of most common ways to achieve this:
Send data inside intent
Static fields
HashMap of WeakReferences
Persist objects (sqlite, share preferences, file, etc.)
TL;DR: there are two ways of sharing data: passing data in the intent's extras or saving it somewhere else. If data ...