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Checking if sys.argv[x] is defined
...he end, the difference between try, except and testing len(sys.argv) isn't all that significant. They're both a bit hackish compared to argparse.
This occurs to me, though -- as a sort of low-budget argparse:
arg_names = ['command', 'x', 'y', 'operation', 'option']
args = dict(zip(arg_names, sys.a...
DDD - the rule that Entities can't access Repositories directly
... is separation of concerns and good layering. This doesn't make sense on small projects, but if you're on a large team you want to say, "You access a product through the Product Repository. Product is an aggregate root for a collection of entities, including the ProductCatalog object. If you want to...
input type=file show only button
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This answer is so simple and elegant and has worked for all browsers.
– Mike.C.Ford
Mar 19 '15 at 15:55
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Can I catch multiple Java exceptions in the same catch clause?
...tch (IOException | SQLException ex) {
...
}
Remember, though, that if all the exceptions belong to the same class hierarchy, you can simply catch that base exception type.
Also note that you cannot catch both ExceptionA and ExceptionB in the same block if ExceptionB is inherited, either direct...
Volatile vs. Interlocked vs. lock
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Worst (won't actually work)
Change the access modifier of counter to public volatile
As other people have mentioned, this on its own isn't actually safe at all. The point of volatile is that multiple threads running on multiple CPUs can and...
How do I prevent 'git diff' from using a pager?
...onal paging based on the amount of content:
git config --global --replace-all core.pager "less -F -X"
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How to delete a record in Django models?
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Note that the first one will not call the .delete() method of the object, so if you have 'cleanup' code in that method it will not be called. Generally not an issue, but worth keeping in mind.
– Matthew Schinckel
Sep 28 ...
How to remove “Server name” items from history of SQL Server Management Studio
When trying to connect to a server in Management Studio (specifically 2008), there is a field where you enter the Server name. That field also has a drop-down list where it shows a history of servers that you have attempted to connect to.
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Disable browser cache for entire ASP.NET website
...;
HttpContext.Current.Response.Cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
HttpContext.Current.Response.Cache.SetCacheability(HttpCacheability.NoCache);
HttpContext.Current.Response.Cache.SetNoStore();
All requests get routed through default.aspx first - so assuming you can just pop in...
Remove or uninstall library previously added : cocoapods
...en by Kyle Fuller - deintegrate, I'll post the proper workflow here:
Install clean:
$ sudo gem install cocoapods-clean
Run deintegrate in the folder of the project:
$ pod deintegrate
Clean:
$ pod clean
Modify your podfile (delete the lines with the pods you don't want to use anymore) and run...