大约有 44,000 项符合查询结果（耗时：0.0534秒） [XML]
Rails auto-assigning id that already exists
...mpany.id column to the highest value in the table with a query like this:
SELECT setval('company_id_seq', (SELECT max(id) FROM company));
I am guessing at your sequence name "company_id_seq", table name "company", and column name "id" ... please replace them with the correct ones. You can get the...
In Vim, how do I apply a macro to a set of lines?
... matching pattern.
:g/pattern/norm! @a
To execute the macro on visually selected lines, press V and the j or k until the desired region is selected. Then type :norm! @a and observe the that following input line is shown.
:'<,'>norm! @a
Enter :help normal in vim to read more.
...
Update ViewPager dynamically?
...ybe some example please!!! i have a listview with list of cities and after selecting city opens viewpager (3 pages) with information about this city. it works ok. but after selecting another city viewpager shows only the 3d page on refreshes the 1-st page only after swiping pages? thw 2d page is alw...
Alter column, add default constraint
...e bla add constraint dt_bla default 1 for id
insert bla default values
select * from bla
also make sure you name the default constraint..it will be a pain in the neck to drop it later because it will have one of those crazy system generated names...see also How To Name Default Constraints And ...
How to place and center text in an SVG rectangle
...hose
characters who start new lines.
(This approach allows user text
selection across multiple lines of
text -- see Text selection and
clipboard operations.)
Express the
text to be rendered in another XML
namespace such as XHTML [XHTML]
embedded inline within a
‘foreignObject...
Getting “type or namespace name could not be found” but everything seems ok?
...To do this:
I right-clicked on my Solution in the Solution Explorer and selected
"Properties"
Then in "Common Properties" I selected "Project Dependencies".
Then in the Projects drop-down menu I selected the project that
relied on the library, and
Checked the box next to the library found under "...
Limiting the number of records from mysqldump?
... @Phob: The --where option is basically appended to a query of the form SELECT * from table WHERE , so in this case you get SELECT * from table WHERE 1 limit 1000000. Without the 1, you would have an invalid query. Specifying 1 for a where clause (since 1 is always true) simply selects all reco...
Read logcat programmatically within application
... // log level: ALL
sCommand.add("*:S"); // ignore logs which are not selected
Process process = new ProcessBuilder().command(sCommand).start();
BufferedReader bufferedReader = new BufferedReader(
new InputStreamReader(process.getInputStream()));
LogCapture mLogCapt...
Which HTML Parser is the best? [closed]
...e because I think it will do what you are after.
Its party trick is a CSS selector syntax to find elements, e.g.:
String html = "<html><head><title>First parse</title></head>"
+ "<body><p>Parsed HTML into a doc.</p></body></html>";
Docu...
How do I get a TextBox to only accept numeric input in WPF?
... LengthOfModifiedText(string newText, bool paste)
{
var countOfSelectedChars = this.AssociatedObject.SelectedText.Length;
var caretIndex = this.AssociatedObject.CaretIndex;
string text = this.AssociatedObject.Text;
if (countOfSelectedChars > 0 || paste)
...