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Reading output of a command into an array in Bash
...houldn't anyway), but just bear that in mind. It's cleaner and more semantically correct. Note that this is different from printf '', which doesn't output anything. printf '\0' prints a null byte, needed by read to happily stop reading there (remember the -d '' option?).
If you can, i.e., if yo...
Reuse a parameter in String.format?
Does the hello variable need to be repeated multiple times in the call to the format method or is there a shorthand version that lets you specify the argument once to be applied to all of the %s tokens?
...
package R does not exist
...actored by renaming the namespace folders. I just forgot to also edit AndroidManifest and that's why I got this error.
Make sure you check this as well.
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How to update Identity Column in SQL Server?
I have SQL Server database and I want to change the identity column because it started
with a big number 10010 and it's related with another table, now I have 200 records and I want to fix this issue before the records increases.
...
Is there a way to change context to iframe in javascript console?
...ts" tab of the dev tools. Anything you run in the JS console will automatically run in the context of the selected iframe.
For example, here I've selected an iframe, and when I type document.location.pathname into the console it returns the src attribute of the iframe, instead of the URL from the ...
How can I rename a field for all documents in MongoDB?
...rmer way:
remap = function (x) {
if (x.additional){
db.foo.update({_id:x._id}, {$set:{"name.last":x.name.additional}, $unset:{"name.additional":1}});
}
}
db.foo.find().forEach(remap);
In MongoDB 3.2 you can also use
db.students.updateMany( {}, { $rename: { "oldname": "newname" } } )
T...
How can I remove duplicate rows?
... no nulls, you GROUP BY the unique columns, and SELECT the MIN (or MAX) RowId as the row to keep. Then, just delete everything that didn't have a row id:
DELETE FROM MyTable
LEFT OUTER JOIN (
SELECT MIN(RowId) as RowId, Col1, Col2, Col3
FROM MyTable
GROUP BY Col1, Col2, Col3
) as KeepRow...
How do I keep a label centered in WinForms?
...
Some minor additional content for setting programmatically:
Label textLabel = new Label() {
AutoSize = false,
TextAlign = ContentAlignment.MiddleCenter,
Dock = DockStyle.None,
Left = 10,
Width = myDialog.Width - 10
};
...
How can I write text on a HTML5 canvas element?
...
var canvas = document.getElementById("my-canvas");
var context = canvas.getContext("2d");
context.fillStyle = "blue";
context.font = "bold 16px Arial";
context.fillText("Zibri", (canvas.width / 2) - 17, (canvas.height / 2) + 8);
#my-canvas {
backgro...
GetProperties() to return all properties for an interface inheritance hierarchy
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@ilkerunal: The usual way: Call GetValue on the retrieved PropertyInfo, passing your instance (whose property value to get) as parameter. Example: var list = new[] { 'a', 'b', 'c' }; var count = typeof(IList).GetPublicProperties().First(i => i.Name ...