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Understand convertRect:toView:, convertRect:FromView:, convertPoint:toView: and convertPoint:fromVie
...tive-c term for the object that is receiving the message (methods are also known as messages) so in my example here the receiver is superview.
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How to hide 'Back' button on navigation bar on iPhone?
...o switch between views in my app. But some of the views shouldn't have 'Back' (the previous title) button. Any ideas about how to hide the back button?
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How can I use “” in javadoc without formatting?
...necessity to escape the signs appears only when they are used as angle brackets (i.e. in pairs), which in turn implies that they are part of some code (such as an XML tag, as in OP's case). In this situation, I believe a better solution is to wrap the entire XML snippet in {@code ...} tags, as Etien...
Should try…catch go inside or outside a loop?
I have a loop that looks something like this:
21 Answers
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Why does Google prepend while(1); to their JSON responses?
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It prevents JSON hijacking, a major JSON security issue that is formally fixed in all major browsers since 2011 with ECMAScript 5.
Contrived example: say Google has a URL like mail.google.com/json?action=inbox which returns the first 50 messages ...
How to log cron jobs?
I want to know how I can see exactly what the cron jobs are doing on each execution. Where are the log files located? Or can I send the output to my email? I have set the email address to send the log when the cron job runs but I haven't received anything yet.
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Changing an element's ID with jQuery
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Eran GalperinEran Galperin
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Resetting a setTimeout
...ign the result
var timeoutHandle = window.setTimeout(...);
// in your click function, call clearTimeout
window.clearTimeout(timeoutHandle);
// then call setTimeout again to reset the timer
timeoutHandle = window.setTimeout(...);
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How to send an email with Gmail as provider using Python?
...To: and Subject: message headers, separated from the message body by a blank line and use CRLF as EOL markers.
E.g.
msg = "\r\n".join([
"From: user_me@gmail.com",
"To: user_you@gmail.com",
"Subject: Just a message",
"",
"Why, oh why"
])
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Stack, Static, and Heap in C++
...ap) and what's its real advantage? What are the problems of static and stack? Could I write an entire application without allocating variables in the heap?
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