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Ruby custom error classes: inheritance of the message attribute
...yCustomError, see Why is it a bad style to `rescue Exception => e` in Ruby?.
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Useless use of cat?
...bug)). The exception is to allow file arguments like in the case of grep. (By the way, note that ls has a completely different reason to not just accept but pretty much require file arguments)
Finally, what could have been done better is if such exceptional commands as grep (but not necessarily ls)...
POST data in JSON format
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@IanKuca It seems that the post data was encoded by html form not JSON.stringify.
– tli2020
May 8 '13 at 8:57
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Difference between ActionBarSherlock and ActionBar Compatibility
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Modify your Themes and Styles.
For more info, please refer this slides by +NickButcher (Google)
Thanks to Sources:
http://gmariotti.blogspot.in/2013/07/actionbarsherlock-vs-actionbarcompat.html
http://antonioleiva.com/actionbarcompat-migrating-actionbarsherlock/
Don't forget to read thi...
How to disassemble one single function using objdump?
... If you use column -ts$'\t' to filter the GDB output, you'll have the raw bytes and source columns nicely aligned. Also, -ex 'set disassembly-flavor intel' before other -exs will result in Intel assembly syntax.
– Ruslan
Oct 4 '18 at 12:39
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How to get UTC time in Python?
...nds[, milliseconds[, minutes[, hours[, weeks]]]]]]])
And this means that by default you can get any of the fields mentioned in it's definition -
days, seconds, microseconds, milliseconds, minutes, hours, weeks. Also timedelta instance has total_seconds() method that:
Return the total number o...
Method to Add new or update existing item in Dictionary
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Could there be any problem if i replace Method-1 by Method-2?
No, just use map[key] = value. The two options are equivalent.
Regarding Dictionary<> vs. Hashtable: When you start Reflector, you see that the indexer setters of both classes call this.Insert(key, va...
Android: create a popup that has multiple selection options
... .create() is unnecessary here, .show() will return the dialog created by the builder and then show it as well
– TronicZomB
May 5 '13 at 22:19
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How do I connect to a MySQL Database in Python?
...ver before doing anything. Unlike PHP, Only the SQLite driver is installed by default with Python. The most used package to do so is MySQLdb but it's hard to install it using easy_install. Please note MySQLdb only supports Python 2.
For Windows user, you can get an exe of MySQLdb.
For Linux, this...
Determine if Python is running inside virtualenv
...fix.
Using the VIRTUAL_ENV environment variable is not reliable. It is set by the virtualenv activate shell script, but a virtualenv can be used without activation by directly running an executable from the virtualenv's bin/ (or Scripts) directory, in which case $VIRTUAL_ENV will not be set. Or a no...