大约有 14,525 项符合查询结果（耗时：0.0172秒） [XML]
How do I use InputFilter to limit characters in an EditText in Android?
...ew InputFilter() {
public CharSequence filter(CharSequence source, int start, int end,
Spanned dest, int dstart, int dend) {
for (int i = start; i < end; i++) {
if (!Character.isLetterOrDigit(source.charAt(i))) {
return "";
}
...
SQL-Server: Is there a SQL script that I can use to determine the progress of a SQL Server backup or
...) AS [ETA Hours],
CONVERT(VARCHAR(1000),(SELECT SUBSTRING(text,r.statement_start_offset/2,
CASE WHEN r.statement_end_offset = -1 THEN 1000 ELSE (r.statement_end_offset-r.statement_start_offset)/2 END)
FROM sys.dm_exec_sql_text(sql_handle))) AS [SQL]
FROM sys.dm_exec_requests r WHERE command IN ('RES...
How can I open Windows Explorer to a certain directory from within a WPF app?
...
Why not Process.Start(@"c:\test");?
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Open a file with Notepad in C#
...
You need System.Diagnostics.Process.Start().
The simplest example:
Process.Start("notepad.exe", fileName);
More Generic Approach:
Process.Start(fileName);
The second approach is probably a better practice as this will cause the windows Shell to open up y...
What does enumerate() mean?
...... print count, elem
...
0 foo
1 bar
2 baz
By default, enumerate() starts counting at 0 but if you give it a second integer argument, it'll start from that number instead:
>>> for count, elem in enumerate(elements, 42):
... print count, elem
...
42 foo
43 bar
44 baz
If you w...
How to create a sequence of integers in C#?
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Note: This creates a sequence starting at 0 with 10 items (ending at 9). If you want 0 through 10, the second parameter would be 11. And if you need an actual array and not IEnumerable<int>, include a call .ToArray().
– Anthony...
How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
...ce:
cd /usr/local/var
mv postgres postgres9.6
mv postgres10.1 postgres
Restart Postgres:
launchctl load ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist
Check /usr/local/var/postgres/server.log for details and to make sure the new server started properly.
Finally, re-install the rails pg gem...
Git diff to show only lines that have been modified
...it diff -U0: choose 0 context lines
The first grep only includes all lines starting with + or -
The second grep excludes lines starting with --- a/ or +++ b/
Color
To show colored diff, try the following:
git diff -U0 --color | grep '^\e\[[^m]*m[-+]' | grep -Ev '(--- a/|\+\+\+ b/)'
The expres...
Change application's starting activity
... of my application but I want to add a different activity that will be the starting point (sort of a log-in screen).
11 Ans...
How do I write a Firefox Addon? [closed]
What are some resources for getting started writing a Firefox Addon? Is there an API guide somewhere? Is there a getting started tutorial somewhere? Is there a developer discussion board somewhere?
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