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How to validate IP address in Python? [duplicate]
...hings like "4" and "192.168" and silently pads the rest with zeros. Technically valid, I'm sure, but not quite what I expected.
– krupan
Nov 25 '08 at 23:58
6
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How can I lookup a Java enum from its String value?
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Also, for arbitrary values (the second case) consider throwing an IllegalArgumentException instead of returning null (i.e. when no match is found) - this is how the JDK Enum.valueOf(..) does it, anyway.
– Priidu Neemre
May 21 '15 at 17...
How to limit google autocomplete results to City and Country only
...ponentRestrictions: {country: "us"}
};
var input = document.getElementById('searchTextField');
var autocomplete = new google.maps.places.Autocomplete(input, options);
}
More info:
ISO 3166-1 alpha-2 can be used to restrict results to specific groups. Currently, you can use componentRestrictio...
onKeyPress Vs. onKeyUp and onKeyDown
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Just confirmed that, indeed, "onkeypress" is called repeatedly when the key is held down, and "keyboard repeat" occurs. However, this is also true for "onkeydown"! (which is unexpected, given the name)
– Venryx
Mar 26 '17 at 17:59
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Load a WPF BitmapImage from a System.Drawing.Bitmap
...Warning: This leaks a GDI handle every single time it's used, so after 10k calls it will stop working (65k if you're lucky). As documented in GetHbitmap, you absolutely must p/invoke DeleteObject on that handle.
– Roman Starkov
Dec 28 '11 at 0:24
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Example: Communication between Activity and Service using Messaging
...vice example.
Your Service returns an instance of itself to consumers who call onBind. Then you can directly interact with the service, e.g. registering your own listener interface with the service, so that you can get callbacks.
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SQL Server: Maximum character length of object names
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EXEC sp_server_info
The result will be something like that:
attribute_id | attribute_name | attribute_value
-------------|-----------------------|-----------------------------------
1 | DBMS_NAME | Microsoft SQL Server
2 | DBMS_VER | Microso...
How can I propagate exceptions between threads?
We have a function which a single thread calls into (we name this the main thread). Within the body of the function we spawn multiple worker threads to do CPU intensive work, wait for all threads to finish, then return the result on the main thread.
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What's the difference between .bashrc, .bash_profile, and .environment?
... or login at the text console of a local unix machine). these are the ones called, say, .login or .profile or .zlogin (depending on which shell you're using).
Then you have config files that are read by "interactive" shells (as in, ones connected to a terminal (or pseudo-terminal in the case of, sa...
What are POD types in C++?
... (3.9.2) and cv-qualified versions of these types (3.9.3) are collectively caller scalar types. Scalar types, POD-struct types, POD-union types (clause 9), arrays of such types and cv-qualified versions of these types (3.9.3) are collectively called POD types"
9(4): "A POD-struct is an aggregate cla...