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Confused about __str__ on list in Python [duplicate]
... when you set a list element equal to a list or element within a list, the new list only stores the reference to the memory location (it doesn't actually create new memory space specific to that new variable). This is where deepcopy comes in handy!
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Delete sql rows where IDs do not have a match from another table
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f3384127%2fdelete-sql-rows-where-ids-do-not-have-a-match-from-another-table%23new-answer', 'question_page');
}
);
...
Send POST data using XMLHttpRequest
...
The code below demonstrates on how to do this.
var http = new XMLHttpRequest();
var url = 'get_data.php';
var params = 'orem=ipsum&name=binny';
http.open('POST', url, true);
//Send the proper header information along with the request
http.setRequestHeader('Content-type', 'appli...
Express res.sendfile throwing forbidden error
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more details would be handy here for newbies like me
– Adam Waite
Aug 6 '13 at 10:49
5
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SSH Private Key Permissions using Git GUI or ssh-keygen are too open
...veryone else.
If you can't remember what the original settings are, add a new user and create a set of SSH keys for that user, thus creating a new .ssh folder which will have default permissions. You can use that new .ssh folder as the reference for permissions to reset your .ssh folder and files ...
How can you find the height of text on an HTML canvas?
.../ Canvas can tell us the width
var w = ctx.measureText(message).width;
// New function gets the other info we need
var h = getTextHeight(font);
testLine(ctx, x, y, w, 'red');
testLine(ctx, x, y + h.ascent, w, 'green');
testLine(ctx, x, y + h.height, w, 'blue');
...
How to prevent the activity from loading twice on pressing the button
...y.
Button b = (Button) view;
b.setEnabled(false);
Intent i = new Intent(this, AnotherActitivty.class);
startActivity(i);
Override onResume() to re-enable the button.
@Override
protected void onResume() {
super.onResume();
Button button1 = (Button) findViewBy...
How can I display a list view in an Android Alert Dialog?
...to display custom list in AlertDialog
AlertDialog.Builder builderSingle = new AlertDialog.Builder(DialogActivity.this);
builderSingle.setIcon(R.drawable.ic_launcher);
builderSingle.setTitle("Select One Name:-");
final ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(DialogA...
How to identify whether a file is normal file or directory
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}
);
...
How to add line breaks to an HTML textarea?
...
solution is not working as expected here is an example of how to append a new line to a textarea using '\r\n'
function log(text) {
var txtArea ;
txtArea = document.getElementById("txtDebug") ;
txtArea.value += text + '\r\n';
}
I decided to do this an edit, and not as a new question b...