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LINQ: Select an object and change some properties without creating a new object
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We often run into this where we want to include a the index value and first and last indicators in a list without creating a new object. This allows you to know the position of the item in your list, enumeration, etc. without having to modify the existing class and then knowing...
Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
... new foo table. (Edit: this was fixed in or before PostgreSQL 9.3)
CREATE INDEX ... CONCURRENTLY is exceptional, it uses three transactions to add an index to a table while allowing concurrent updates, so it cannot itself be performed in a transaction.
Also the database maintenance command VACUUM ...
How can I show dots (“…”) in a span with hidden overflow?
...{
delay: 100,
bulk: 0,
loop: function (index) {
var el = $(this);
if (el.data("fullText") !== undefined) {
el.html(el.data("fullText"));
} else {
el.data("fullText", el.html()...
Best practices for SQL varchar column length [closed]
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@Ariel: There are issues and limitations on indexes to consider, too. You can't have a (a,b,c,d) index when all four columns are VARCHAR(255).
– ypercubeᵀᴹ
Nov 28 '11 at 23:30
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Removing an element from an Array (Java) [duplicate]
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ArrayUtils.remove if you want to specify an index, not the value itself
– Line
Dec 10 '18 at 14:43
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show 3 m...
How to download source in ZIP format from GitHub?
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Wish this worked, but no luck here: github.com/facebook/php-webdriver --when I add "zipball/master/" to the end of that URL, I just get an error message. I'm echoing the original commenter... I just don't understand why it's so f'ing hard to download source code I see on github. ...
What is in your .vimrc? [closed]
Vi and Vim allow for really awesome customization, typically stored inside a .vimrc file. Typical features for a programmer would be syntax highlighting, smart indenting and so on.
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string.IsNullOrEmpty(string) vs. string.IsNullOrWhiteSpace(string)
... value)
{
if (value == null)
return true;
for (int index = 0; index < value.Length; ++index)
{
if (!char.IsWhiteSpace(value[index]))
return false;
}
return true;
}
...
What's the difference between “Request Payload” vs “Form Data” as seen in Chrome dev tools Network t
... - or to be more precise: payload body of a HTTP Request
- is the data normally send by a POST or PUT Request.
It's the part after the headers and the CRLF of a HTTP Request.
A request with Content-Type: application/json may look like this:
POST /some-path HTTP/1.1
Content-Type: application/json
...
When to use std::size_t?
... in C++. By extension it is also guaranteed to be big enough for any array index so it is a natural type for a loop by index over an array.
If you are just counting up to a number then it may be more natural to use either the type of the variable that holds that number or an int or unsigned int (if...