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Core dump file analysis [duplicate]
... have no glue what binary produced a core dump? Can I investigate with the strings command which binary I need to debug it?
– math
Feb 12 '14 at 15:54
21
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Specifying and saving a figure with exact size in pixels
...):
plt.figure(figsize=(800/my_dpi, 800/my_dpi), dpi=my_dpi)
So you basically just divide the dimensions in inches by your DPI.
If you want to save a figure of a specific size, then it is a different matter. Screen DPIs are not so important anymore (unless you ask for a figure that won't fit in ...
Haskell composition (.) vs F#'s pipe forward operator (|>)
...s pipelining, so that a known type appears on the left (see here).
(Personally, I find points-free style unreadable, but I suppose every new/different thing seems unreadable until you become accustomed to it.)
I think both are potentially viable in either language, and history/culture/accident may...
Is there a function that returns the current class/method name? [duplicate]
...compiler handle it by using nameof(<MethodNameHere>) in place of the string. True, it doesn't save you from copy/paste errors where the method reference ends up being valid but its speed makes it quite useful none-the-less.
– bielawski
Feb 20 at 16:07
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Example: Communication between Activity and Service using Messaging
...plication (for one or more activities):
private void sendBroadcastMessage(String intentFilterName, int arg1, String extraKey) {
Intent intent = new Intent(intentFilterName);
if (arg1 != -1 && extraKey != null) {
intent.putExtra(extraKey, arg1);
}
sendBroadcast(intent...
How do I create a class instance from a string name in ruby?
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Very simple in Rails: use String#constantize
class_name = "MyClass"
instance = class_name.constantize.new
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socket.io and session?
...ire('connect');
io.on('connection', function(socket_client) {
var cookie_string = socket_client.request.headers.cookie;
var parsed_cookies = connect.utils.parseCookie(cookie_string);
var connect_sid = parsed_cookies['connect.sid'];
if (connect_sid) {
session_store.get(connect_sid, functi...
MySQL convert date string to Unix timestamp
... Look the STR_TO_DATE documentation to have more information on the format string.
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mysql check collation of a table
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The above answer is great, but it doesn't actually provide an example that saves the user from having to look up the syntax:
show table status like 'test';
Where test is the table name.
(Corrected as per comments below.)
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How do I create a round cornered UILabel on the iPhone?
...nspectable var cornerRadius: CGFloat = 8
@IBInspectable var labelText: String = "None"
@IBInspectable var fontSize: CGFloat = 10.5
// This has to be balanced with the number of spaces prefixed to the text
let borderWidth: CGFloat = 3
init(text: String, color: UIColor = UIColor....