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What is :: (double colon) in Python when subscripting sequences?
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TL;DR
This visual example will show you how to a neatly select elements in a NumPy Matrix (2 dimensional array) in a pretty entertaining way (I promise). Step 2 below illustrate the usage of that "double colons" :: in question.
(Caution: this is a NumPy array specific example with...
How can I check if an element exists in the visible DOM?
...to the original question).
That's as simple as using any of the browser's selecting method, and checking it for a truthy value (generally).
For example, if my element had an id of "find-me", I could simply use...
var elementExists = document.getElementById("find-me");
This is specified to eithe...
CodeFile vs CodeBehind
...bute of the Page directive or is there a way to create a web project which selects codebehind or codefile, by default, each time a new web page is added?
– Matt W
Nov 5 '09 at 8:42
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How I can I lazily read multiple JSON values from a file/stream in Python?
... end_pos = int(re.match('Extra data: line \d+ column \d+ .*\(char (\d+).*\)',
e.args[0]).groups()[0])
json_str = f.read(end_pos)
obj = json.loads(json_str)
start_pos += end_pos
yield obj...
Sorting an IList in C#
...rty, I believe you could sort as follows:
from c in list
orderby c.Engine
select c;
Edit: You do need to be quick to get answers in here. As I presented a slightly different syntax to the other answers, I will leave my answer - however, the other answers presented are equally valid.
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SQlite Getting nearest locations (with latitude and longitude)
... this seems to work cursor = db.getReadableDatabase().rawQuery("Select nome, id as _id, " + "( " + latitude + " - lat) * ( " + latitude +"- lat) + ( " + longitude + "- lon) * ( " + longitude + "- lon) * " + fudge + " as distanza " + " from cliente "+ " order by distanza asc", null);
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How can I check MySQL engine type for a specific table?
...st of all the tables in a database and their engines, use this SQL query:
SELECT TABLE_NAME,
ENGINE
FROM information_schema.TABLES
WHERE TABLE_SCHEMA = 'dbname';
Replace dbname with your database name.
share
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How do I rename a project in Xcode 5?
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It worked for me except the double click didn't. I selected the project and hit 'Enter', that worked. +1.
– GaneshT
Mar 27 '14 at 3:32
9
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How do you remove the root CA certificate that fiddler installs
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Are you sure you don't need to first deselect the "Decrypt HTTPS traffic", then choose "Remove Interception Certificates"?
– bozzle
Apr 18 '17 at 0:51
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how to put focus on TextBox when the form load?
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You could try:
MyTextBox.Select();
According to the documentation:
The Select method activates the control if the control's Selectable
style bit is set to true in ControlStyles, it is contained in another
control, and all its parent controls...