大约有 30,000 项符合查询结果（耗时：0.0615秒） [XML]
Comparing strings by their alphabetical order
...:
The result is a negative integer if
this String object lexicographically
precedes the argument string. The
result is a positive integer if this
String object lexicographically
follows the argument string. The
result is zero if the strings are
equal; compareTo returns 0 exactly
...
Download a file with Android, and showing the progress in a ProgressDialog
... }
}
}
2.1 Use Groundy library
Groundy is a library that basically helps you run pieces of code in a background service, and it is based on the ResultReceiver concept shown above. This library is deprecated at the moment. This is how the whole code would look like:
The activity where ...
Fastest way to count exact number of rows in a very large table?
...w_count)
FROM
sys.dm_db_partition_stats st
WHERE
object_name(object_id) = 'MyBigtable' AND (index_id < 2)
2 runs, both under 1 second, count = 1,401,659,670
The second one has less rows = wrong. Would be the same or more depending on writes (deletes are done out of hours here)
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Set default CRAN mirror permanent in R
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I don't think that call to structure is doing anything. Usually it's just a convenient way to add attributes to an object.
– Richie Cotton
Dec 12 '11 at 15:24
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How to select/get drop down option in Selenium 2
...lement salesExecutiveDropDown = new SelectElement(webDriver.FindElement(By.Id("salesExecutiveId")));
– Jeremy McGee
Jul 22 '13 at 14:21
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SQL Server equivalent to Oracle's CREATE OR REPLACE VIEW
...rocedures as follows.
IF NOT EXISTS (SELECT * FROM sys.views WHERE object_id = OBJECT_ID(N'[dbo].[vw_myView]'))
EXEC sp_executesql N'CREATE VIEW [dbo].[vw_myView] AS SELECT ''This is a code stub which will be replaced by an Alter Statement'' as [code_stub]'
GO
ALTER VIEW [dbo].[vw_myView]
AS
S...
Two single-column indexes vs one two-column index in MySQL?
...ses also more disk space.
When choosing the indexes, you also need to consider the effect on inserting, deleting and updating. More indexes = slower updates.
share
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How can I determine whether a Java class is abstract by reflection
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It'll have abstract as one of its modifiers when you call getModifiers() on the class object.
This link should help.
Modifier.isAbstract( someClass.getModifiers() );
Also:
http://java.sun.com/javase/6/docs/api/java/lang/reflect/Modifier.html
http://java.sun.com/javase/6/...
How to remove multiple indexes from a list at the same time? [duplicate]
... Looping over indices backwards. Genius! I was here dreaming up some ridiculous situation of decrementing indices as I went along, when this was so much more elegant!
– Neil
Apr 20 '15 at 22:37
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How to track child process using strace?
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There is a perl script called strace-graph. Here is a version from github. It is packaged with crosstool-ng versions of compilers. It works for me even used cross platform.
ARM Linux box.
$ ./strace -f -q -s 100 -o app.trc -p 449
$ tftp -pr ap...