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How to change identity column values programmatically?
...BLE Temp
(
ID INT PRIMARY KEY,
X VARCHAR(10)
)
/*Switch table metadata to new structure*/
ALTER TABLE Test SWITCH TO Temp;
/*Do the update*/
UPDATE Temp SET ID = ID + 1;
/*Switch table metadata back*/
ALTER TABLE Temp SWITCH TO Test;
/*ID values have been updated*/
SELECT *
FROM Test
/*Safety c...
android get all contacts
...ontract.CommonDataKinds.Phone.CONTACT_ID + " = ?",
new String[]{id}, null);
while (pCur.moveToNext()) {
String phoneNo = pCur.getString(pCur.getColumnIndex(
ContactsContract.CommonDataKinds.Phone.NUMBER));
...
In PHP, how do you change the key of an array element?
...
$arr[$newkey] = $arr[$oldkey];
unset($arr[$oldkey]);
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...
Insert auto increment primary key to existing table
...
It will make the new id column the first in the table as opposed to last, which is the default behaviour.
– fmalina
Oct 24 '15 at 20:24
...
Set the absolute position of a view
... = (RelativeLayout) findViewById(R.id.my_relative_layout);
ImageView iv = new ImageView(this);
RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(30, 40);
params.leftMargin = 50;
params.topMargin = 60;
rl.addView(iv, params);
More examples:
Places two 30x40 ImageViews (one y...
Why is null an object and what's the difference between null and undefined?
...using Boolean as a function (normally it is a constructor, to be used with new):
> Boolean(null)
false
> Boolean("")
false
> Boolean(3-3)
false
> Boolean({})
true
> Boolean([])
true
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How do I search for an object by its ObjectId in the mongo console?
...b').ObjectId;
> var id = req.params.gonderi_id;
> var o_id = new ObjectId(id);
> db.test.find({_id:o_id})
Edit: corrected to new ObjectId(id), not new ObjectID(id)
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A fast method to round a double to a 32-bit int explained
...l = function(e) {
var $elem = $('.new-login-left'),
docViewTop = $window.scrollTop(),
docViewBottom = docViewTop + $window.height(),
...
Showing empty view when ListView is empty
...ew(R.layout.mylist);
// shows list view
String[] values = new String[] { "foo", "bar" };
// shows empty view
values = new String[] { };
setListAdapter(new ArrayAdapter<String>(
this,
android.R.layout.simple_list_item_1,...
Share application “link” in Android
... choose from email, whatsapp or whatever.
try {
Intent shareIntent = new Intent(Intent.ACTION_SEND);
shareIntent.setType("text/plain");
shareIntent.putExtra(Intent.EXTRA_SUBJECT, "My application name");
String shareMessage= "\nLet me recommend you this application\n\n";
share...