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What is the difference between const and readonly in C#?
...time of a definition for a const VS readonly values can be computed dynamically but need to be assigned before the constructor exits.. after that it is frozen.
'const's are implicitly static. You use a ClassName.ConstantName notation to access them.
There is a subtle difference. Consider a class d...
Default html form focus without JavaScript
...
You can do it in HTML5, but otherwise, you must use JavaScript.
HTML5 allows you to add autofocus to your form element, eg:
<input type="text" name="myInput" autofocus />
This does work in browsers which support HTML5 (Or rather, browsers which support this particular part of HTML5) bu...
Git Gui: Perpetually getting “This repository currently has approximately 320 loose objects.”
...od disk space utilization and good operating performance.
--aggressive
Usually git gc runs very quickly while providing good disk space utilization and performance. This option will cause git gc to more aggressively optimize the repository at the expense of taking much more time. The effects of thi...
Flatten list of lists [duplicate]
...p evaluates MUCH faster than the unraveled loop and eliminates the append calls!
If you have multiple items in a sublist the list comp will even flatten that. ie
>>> list_of_lists = [[180.0, 1, 2, 3], [173.8], [164.2], [156.5], [147.2], [138.2]]
>>> flattened = [val for sublist...
C#: Looping through lines of multiline string
...; new StringReader(text)))
{
Console.WriteLine(line);
}
Looping over all the lines in a body of string data (whether that's a file or whatever) is so common that it shouldn't require the calling code to be testing for null etc :) Having said that, if you do want to do a manual loop, this is th...
Getting only response header from HTTP POST using curl
... new place. If used together with -i/--include or -I/--head, headers from all requested
pages will be shown. When authentication is used, curl only sends its credentials to the initial host. If a redirect takes curl to a different
host, it won’t be able to intercept the user+pass...
Android: Expand/collapse animation
...de: the "initalize" method name should be "initialize" or it will not get called. ;) I'd recommend using @Override in the future so this kind of typo gets caught by the compiler.
– Lorne Laliberte
Sep 28 '11 at 3:57
...
CSS attribute selector does not work a href
...a query string or hash fragment. If we combine the 3 cases we should match all pdf links.
a[href$='.pdf'], a[href*='.pdf?'], a[href*='.pdf#'] {
background: red;
}
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Rollback to an old Git commit in a public repo
...hould be good.
You can undo this by
git reset --hard
that will delete all modifications from the working directory and staging area.
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“CAUTION: provisional headers are shown” in Chrome debugger
...ield to find the event related to your resource (use parts of the URL).
Finally, click on the event and see if the info shown tells you something.
For Older Versions of chrome
Type chrome://net-internals in the address bar and hit enter.
Open the page that is showing problems.
Go back to net-int...