大约有 30,000 项符合查询结果（耗时：0.0858秒） [XML]
Difference between Node object and Element object?
...lly confused between Node object and Element object.
document.getElementById() returns Element object while document.getElementsByClassName()
returns NodeList object(Collection of Elements or Nodes?)
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Rounding a double to turn it into an int (java)
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import java.math.*;
public class TestRound11 {
public static void main(String args[]){
double d = 3.1537;
BigDecimal bd = new BigDecimal(d);
bd = bd.setScale(2,BigDecimal.ROUND_HALF_UP);
// output is 3.15
System.out.println(d + " : " + round(d, 2));
// output is 3.154
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Make multiple-select to adjust its height to fit options without scroll bar
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Old, but this will do what you're after without need for jquery. The hidden overflow gets rid of the scrollbar, and the javascript makes it the right size.
<select multiple='multiple' id='select' style='overflow:hidden'>
<option value='foo'>foo</option>
<option value='bar'...
Multiple select statements in Single query
...ve tables. An alternate method may be as follows:
SELECT COUNT(user_table.id) AS TableCount,'user_table' AS TableSource FROM user_table
UNION SELECT COUNT(cat_table.id) AS TableCount,'cat_table' AS TableSource FROM cat_table
UNION SELECT COUNT(course_table.id) AS TableCount, 'course_table' AS Table...
HTML/Javascript change div content
..., you can just use the element's innerHTML property.
document.getElementById("content").innerHTML = "whatever";
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Using Server.MapPath in external C# Classes in ASP.NET
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class test
{
public static void useServerPath(string path)
{
if (File.Exists(path)
{
\\...... do whatever you wabt
}
else
{
\\.....
}
}
Now when you call the method from the codebehind
for example :
protected void BtAtualizacao_Click(object sender, EventArgs e)
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Aligning a float:left div to center?
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you may need to add vertical-align:middle while using display:inline-block.
– ibsenv
May 24 '15 at 10:59
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How can I check the syntax of Python script without executing it?
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Notice that ast.parse(string) is equivalent to compile(string, filename='<unknown>', mode='exec', flags=ast.PyCF_ONLY_AST).
– Nils Lindemann
Jul 30 at 12:36
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Deleting a Google App Engine application
...ine SDK 1.2.6 it's possible to delete apps completely. But beware, the app-id won't be usable again.
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How to view/delete local storage in Firefox?
... Simply enter 'localStorage' as a command and press enter, it'll display a string containing the key-value pairs of localStorage (Tip: Click on that string for formatted output, i.e. to display each key-value pair in each line).
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