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Initializing a list to a known number of elements in Python [duplicate]
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The first thing that comes to mind for me is:
verts = [None]*1000
But do you really need to preinitialize it?
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What is a stored procedure?
.... Let's say for each table you have an Insert, Update, Delete and at least one select based on the primary key, that means each table will have 4 procedures. Now take a decent size database of 400 tables, and you have 1600 procedures! And that's assuming you don't have duplicates which you probably ...
How to get div height to auto-adjust to background size?
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@MarkAmery One of the coolest things about background-image is that it can use CSS blend-modes, whereas img cannot.
– Aaron Gray
Nov 22 '16 at 2:47
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Rails: Missing host to link to! Please provide :host parameter or set default_url_options[:host]
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I have done very similar to this and setting the default_url_option for action_mailer won't help. The use case is similar to this: Rails.application.routes.url_helpers.message_image_url(2)
– Boti
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Host 'xxx.xx.xxx.xxx' is not allowed to connect to this MySQL server
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One has to create a new MySQL User and assign privileges as below in Query prompt via phpMyAdmin or command prompt:
CREATE USER 'username'@'localhost' IDENTIFIED BY 'password';
GRANT ALL PRIVILEGES ON *.* TO 'username'@'loc...
What's the best way to distribute Java applications? [closed]
Java is one of my programming languages of choice. I always run into the problem though of distributing my application to end-users.
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How can I use an array of function pointers?
...* address of mul() */
p[3] = div; /* address of div() */
[...]
To call one of those function pointers:
result = (*p[op]) (i, j); // op being the index of one of the four functions
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Parse query string in JavaScript [duplicate]
...th; i++) {
var pair = vars[i].split('=');
if (decodeURIComponent(pair[0]) == variable) {
return decodeURIComponent(pair[1]);
}
}
console.log('Query variable %s not found', variable);
}
Now make a request to page.html?x=Hello:
console.log(getQueryVariabl...
Is it alright to use target=“_blank” in HTML5?
...is) consider using target="somethingUnique" so that the user only gets the one window opening, even if they click the link several times. It makes for a much nicer UX.
– BanksySan
Aug 2 '13 at 9:27
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Watermark / hint text / placeholder TextBox
...roperty:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Documents;
/// <summary>
/// Class that provides the Watermark attached property
/// </...