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How to create an empty file at the command line in Windows?
...ECHO activated" in the file...)
Note: the resulting file is not empty but includes a return line sequence: 2 bytes.
This discussion points to a true batch solution for a real empty file:
<nul (set/p z=) >filename
dir filename
11/09/2009 19:45 0 filename
1 file(s) ...
Is a view faster than a simple query?
...ecific set of guidelines, which (among other restrictions) means you can't include common query elements like COUNT, MIN, MAX, or TOP.
Indexed views use physical space in the database, just like indexes on a table.
This article describes additional benefits and limitations of indexed views:
You Ca...
HTTP GET request in JavaScript?
... I might save someone some time by mentioning that you can do this to include credentials in the request: fetch(url, { credentials:"include" })
– Enselic
Mar 9 '17 at 11:01
...
When is “Try” supposed to be used in C# method names?
...
Make sure to include try in your methodname if:
you don't throw any exception
your method has the following signature: bool TrySomething(input, out yourReturn)
So basically if we use try-methods we only get a boolean result back.
So ...
Rspec doesn't see my model Class. uninitialized constant error
...ec_helper file is missing some important commands. Specifically, it's not including config/environment and initializing rspec-rails.
You can add the following lines to the start of your spec/spec_helper.rb file
ENV["RAILS_ENV"] ||= 'test'
require File.expand_path("../../config/environment", __FIL...
How do I correctly clone a JavaScript object?
...
You could always include JSON2.js or JSON3.js. You would need them for your app anyway. But I do agree this might not be the best solution, since JSON.stringify does not include inherited properties.
– Tim Hong
...
Android ACTION_IMAGE_CAPTURE Intent
...ndroid 1.5 -- spent a few hours debugging the camera stuff and this wasn't included so my saves would always fail.
– swanson
Sep 8 '11 at 21:00
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How do I reset a sequence in Oracle?
...e to use this undocumented feature in 12.1. Even though the syntax is not included in the official documentation, it is generated by the Oracle package DBMS_METADATA_DIFF. I've used it several times on production systems. However, I created an Oracle Service request and they verified that it's no...
Creating an index on a table variable
...(C1,C2) /*Example composite index*/
);
Filtered indexes and indexes with included columns can not currently be declared with this syntax however SQL Server 2016 relaxes this a bit further. From CTP 3.1 it is now possible to declare filtered indexes for table variables. By RTM it may be the case th...
Is it correct to use DIV inside FORM?
...y. Then looking at the HTML 4.01 specification for the form element, they include not only <p> tags, but <table> tags, so of course <div> would meet the same criteria. There is also a <legend> tag inside the form in the documentation.
For instance, the following passes HTM...