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How to get current timestamp in milliseconds since 1970 just the way Java gets
In Java, we can use System.currentTimeMillis() to get the current timestamp in Milliseconds since epoch time which is -
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How to change a span to look like a pre with CSS?
...ul. It behaves like pre, but wraps long lines.
– Kai Carver
Mar 31 '14 at 15:23
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How to test if list element exists?
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This is actually a bit trickier than you'd think. Since a list can actually (with some effort) contain NULL elements, it might not be enough to check is.null(foo$a). A more stringent test might be to check that the name is actually defined in the list:
foo <- list(a=42, b=NULL)
foo
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SQL JOIN vs IN performance?
I have a case where using a JOIN or an IN will give me the correct results... Which typically has better performance and why? How much does it depend on what database server you are running? (FYI I am using MSSQL)
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No Main() in WPF?
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It is generated during build, but you can provide your own (disambiguating it in project-properties as necessary). Look in obj/debug for an app file; I have (courtesy of "C# 2010 Express") App.g.i.cs with:
namespace WpfApplication1 {
/// <summary>
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Eclipse ctrl+right does nothing
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Eclipse's welcome screen causes this kind of bug in the editor specifically (https://bugs.eclipse.org/bugs/show_bug.cgi?id=426557). Sometimes you can find that when you restart can't move with control+arrow in the editor but you can in other views li...
How do I change tab size in Vim?
...cular filetype, you'll want to use autocommands:
autocmd Filetype css setlocal tabstop=4
This will make it so that tabs are displayed as 4 spaces. Setting expandtab will cause Vim to actually insert spaces (the number of them being controlled by tabstop) when you press tab; you might want to use so...
Find size of Git repository
...hes, settings (whitespace, merge, aliases, user
details etc.)
stashes (see Can I fetch a stash from a remote repo into a local branch? also)
rerere cache (which can get considerable)
reflogs
backups (from filter-branch, e.g.) and various other things (intermediate
state from rebase, bisect etc.)
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Delaying a jquery script until everything else has loaded
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You can have $(document).ready() multiple times in a page. The code gets run in the sequence in which it appears.
You can use the $(window).load() event for your code since this happens after the page is fully loaded and all th...
Get full path without filename from path that includes filename
...xists() and/or Directory.Exists() on your path first to see if you need to call Path.GetDirectoryName
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