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How is Docker different from a virtual machine?
...sting; let's say you have thousands of tests that need to connect to a database, and each test needs a pristine copy of the database and will make changes to the data. The classic approach to this is to reset the database after every test either with custom code or with tools like Flyway - this can ...
Persistent :set syntax for a given filetype?
...
Add one of the following passages to your .vimrc:
" Set the filetype based on the file's extension, overriding any
" 'filetype' that has already been set
au BufRead,BufNewFile *.html.twig set filetype=html
or
" Set the filetype based on the file's extension, but only if
" 'filetype' has not...
Why is reading lines from stdin much slower in C++ than Python?
... to the top of your main, you should see much better performance:
std::ios_base::sync_with_stdio(false);
Normally, when an input stream is buffered, instead of reading one character at a time, the stream will be read in larger chunks. This reduces the number of system calls, which are typically re...
What's the difference between @Secured and @PreAuthorize in spring security 3?
...@Secured.
So I say it is better to use @PreAuthorize as it is "expression-based" and you can use expressions like hasRole, hasAnyRole, permitAll, etc.
To learn about expressions, see these example expressions.
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...
Best practice to return errors in ASP.NET Web API
...on (HttpStatusCode statusCode, string message, Exception ex)
: base(message, ex)
{
this.statusCode = statusCode;
}
public ApiException (HttpStatusCode statusCode, string message)
: base(message)
{
this.statusCode = stat...
Why C# fails to compare two object types with each other but VB doesn't?
... types which overload the ==, you can get different behaviour - but that's based on the compile-time type of the expressions. For example, string provides ==(string, string):
string x = new string("foo".ToCharArray());
string y = new string("foo".ToCharArray());
Console.WriteLine(x == y); // True
C...
Remove URL parameters without refreshing page
...tle", "/" + myNewURL );
Feel free to replace pushState with replaceState based on your requirements.
You can substitute the paramter "object or string" with {} and "Title" with document.title so the final statment will become:
window.history.pushState({}, document.title, "/" + myNewURL );
...
How to empty/destroy a session in rails?
...tation on this method: http://api.rubyonrails.org/classes/ActionController/Base.html#M000668
Resets the session by clearing out all
the objects stored within and
initializing a new session object.
Good luck!
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Whether a variable is undefined [duplicate]
...
function my_url (base, opt)
{
var retval = ["" + base];
retval.push( opt.page_name ? "&page_name=" + opt.page_name : "");
retval.push( opt.table_name ? "&table_name=" + opt.table_name : "");
retval.push( opt.optionResu...
Changing font size and direction of axes text in ggplot2
... to previous solutions, you can also specify the font size relative to the base_size included in themes such as theme_bw() (where base_size is 11) using the rel() function.
For example:
ggplot(mtcars, aes(disp, mpg)) +
geom_point() +
theme_bw() +
theme(axis.text.x=element_text(size=rel(0.5),...