大约有 30,000 项符合查询结果（耗时：0.0447秒） [XML]
How do you truncate all tables in a database using TSQL?
...ore on disabling constraints and triggers here
if some of the tables have identity columns we may want to reseed them
EXEC sp_MSForEachTable "DBCC CHECKIDENT ( '?', RESEED, 0)"
Note that the behaviour of RESEED differs between brand new table, and one which had had some data inserted previously ...
Is there a way of having git show lines added, lines changed and lines removed?
...
If you want to know the lines added/changed/deleted by a commit with
id commit-id, you could use
git show commit-id --stat
or
git diff commit-id-before commit-id --stat
If you wat to know the lines added/changed/deleted by a range
commits, you could use
git diff commit-id1 commit-id2 --s...
How set background drawable programmatically in Android
....
Another way to achieve it is to use the following:
final int sdk = android.os.Build.VERSION.SDK_INT;
if(sdk < android.os.Build.VERSION_CODES.JELLY_BEAN) {
layout.setBackgroundDrawable(ContextCompat.getDrawable(context, R.drawable.ready) );
} else {
layout.setBackground(ContextCompat.ge...
How to securely save username/password (local)?
...e Triple DES encryption algorithm to encrypt and decrypt information. This means your application does not have to worry about generating and protecting the encryption keys, a major concern when using cryptography.
In C#, use the System.Security.Cryptography.ProtectedData class. For example, to enc...
An item with the same key has already been added
...odel which contains the same property twice. Perhaps you are using new to hide the base property.
Solution is to override the property or use another name.
If you share your model, we would be able to elaborate more.
share...
Calculate last day of month in JavaScript
...sers identified above use 0 as the last day of the previous month does not mean they will continue to do so, or that browsers not listed will do so, but it lends credibility to the belief that it should work the same way in every browser.
...
sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]
...cOS sed, see this answer of mine.
Portable approach:
Note: Portable here means that the command works with both implementations discussed. It is not portable in a POSIX sense, because the -i option is not POSIX-compliant.
# Works with both GNU and BSD/macOS Sed, due to a *non-empty* option-argume...
Reordering arrays
..., ..., elementX are elements you want inserted from position index.
This means that splice() can be used to remove elements, add elements, or replace elements in an array, depending on the arguments you pass.
Note that it returns an array of the removed elements.
Something nice and generic would...
getSupportActionBar from inside of Fragment ActionBarCompat
...
After Fragment.onActivityCreated(...) you'll have a valid activity accessible through getActivity().
You'll need to cast it to an ActionBarActivity then make the call to getSupportActionBar().
((AppCompatActivity)getActivity()).getSupportActionBar().setSubtitle(R.string.subtit...
How to delete or add column in SQLITE?
...mplementation based on the Sqlite's recommended way to do this:
private void dropColumn(SQLiteDatabase db,
ConnectionSource connectionSource,
String createTableCmd,
String tableName,
String[] colsToRemove) throws java.sql.SQLException {
List<String> update...