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Explain ExtJS 4 event handling

...e equivalent) were created. So, for example, if we have html: <div id="test_node"></div> and we want add click event handler. Let's retrieve Element: var el = Ext.get('test_node'); Now let's check docs for click event. It's handler may have three parameters: click( Ext.EventObj...
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Check substring exists in a string in C

... strstr returns a pointer; I like being explicit when I test for pointers. – nneonneo Oct 8 '12 at 15:31 3 ...
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How can I read a text file in Android?

...nvironment.getExternalStorageDirectory(); File file = new File(sdcard,"testFile.txt"); BufferedReader br = new BufferedReader(new FileReader(file)); String line; while ((line = br.readLine()) != null) { text.append(line); Log....
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Javascript parseInt() with leading zeros

...e encouraged to interpret numbers in this case as being decimal. The latest version of JavaScript (ECMAScript 5) abandons this behavior, but you should still specify the radix to satisfy older browsers. share | ...
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Why doesn't c++ have &&= or ||= for booleans?

...Let's check using the following C++ code: #include <iostream> void test (int testnumber, bool a, bool b) { std::cout << testnumber <<") a="<< a <<" and b="<< b <<"\n" "a && b = "<< (a && b) <<"\n" ...
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Flatten nested dictionaries, compressing keys

... Changed it to test for collections.MutableMapping to make it more generic. But for Python < 2.6, try..except is probably the best option. – Imran May 17 '11 at 7:55 ...
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is vs typeof

... Read higherlogics.blogspot.ca/2013/09/… too - they retest for different frameworks and x86 vs x64 with widely differing results. – CAD bloke Jul 29 '14 at 11:21 ...
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sendmail: how to configure sendmail on ubuntu? [closed]

...tc/mail/sendmail.conf /etc/cron.d/sendmail /etc/mail/sendmail.mc You can test sendmail to see if it is properly configured and setup by typing the following into the command line: $ echo "My test email being sent from sendmail" | /usr/sbin/sendmail myemail@domain.com The following will allow yo...
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What is the single most influential book every programmer should read? [closed]

...s Drive Us Crazy and How to Restore the Sanity The Art of Unix Programming Test-Driven Development: By Example by Kent Beck Practices of an Agile Developer Don't Make Me Think Agile Software Development, Principles, Patterns, and Practices by Robert C. Martin Domain Driven Designs by Eric Evans The ...
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Ruby: extend self

...instance methods defined in Rake available to it, so you can do Rake.run_tests share | improve this answer | follow | ...