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Reasons that the passed Intent would be NULL in onStartCommand

...othing actionable there. I've left the null check in there with no loss of function. Edit: Ok, I found it in the documentation of START_STICKY of all places! "if there are not any pending start commands to be delivered to the service, it will be called with a null intent object, so you must take ca...
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What are the differences between virtual memory and physical memory?

...l memory address. Imagine software had spat out an address of 45 with data 123, and OS had stored it in location 2012 and created an entry in the map, mapping 45 to 2012. If the software is now moved in memory, what used to be at location 2012 will no longer be at 2012, but in a new location, and OS...
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In Perl, how can I read an entire file into a string?

...ed at once. It's just not a scalable solution. You might also find it more fun to use the standard Tie::File module, or the DB_File module's $DB_RECNO bindings, which allow you to tie an array to a file so that accessing an element the array actually accesses the corresponding line in the file. You...
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How can I list all collections in the MongoDB shell?

... AdaTheDevAdaTheDev 123k2424 gold badges179179 silver badges181181 bronze badges ...
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Adding header for HttpURLConnection

...on.setConnectTimeout(60 * 1000); String authorization="xyz:xyz$123"; String encodedAuth="Basic "+Base64.encode(authorization.getBytes()); connection.setRequestProperty("Authorization", encodedAuth); int responseCode = connection.getResponseCode(); ...
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Class 'DOMDocument' not found

...om in Configure Command, what should i do next? – ws_123 Jan 18 '13 at 9:38 That depends on your system. Worst case yo...
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How to display a confirmation dialog when clicking an link?

... Inline event handler In the most simple way, you can use the confirm() function in an inline onclick handler. <a href="delete.php?id=22" onclick="return confirm('Are you sure?')">Link</a> Advanced event handling But normally you would like to separate your HTML and Javascript, so...
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Primary key/foreign Key naming convention [closed]

...ocus on issues that actually impact your code. EDIT: If you want to have fun, have them specify at length why their method is superior for recursive table references. share | improve this answer ...
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Explanation of BASE terminology

... Au contraire, BASE is always more fun. – Mau Apr 14 '14 at 15:48 8 ...
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How to fix “ImportError: No module named …” error in Python?

... 123 Python does not add the current directory to sys.path, but rather the directory that the scrip...