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How do I get textual contents from BLOB in Oracle SQL
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Unfortunately, I do not control the database schema - I just need to peek into the blob... But thanks anyway.
– Roland Tepp
May 7 '09 at 6:32
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Why do we usually use || over |? What is the difference?
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| does not do short-circuit evaluation in boolean expressions. || will stop evaluating if the first operand is true, but | won't.
In addition, | can be used to perform the bitwise-OR operation on byte/short/int/long values. ||...
Delete specified file from document directory
I want to delete an image from my app document directory. Code I have written to delete image is:
10 Answers
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Android accelerometer accuracy (Inertial navigation)
...ation of Errors. (By the way, you will need the gyroscopes too.)
As for indoor positioning, I have found these useful:
RSSI-Based Indoor Localization and Tracking Using Sigma-Point Kalman Smoothers
Pedestrian Tracking with Shoe-Mounted Inertial Sensors
Enhancing the Performance of Pedometers Us...
How to install a gem or update RubyGems if it fails with a permissions error
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You don't have write permissions into the /Library/Ruby/Gems/1.8 directory.
means exactly that, you don't have permission to write there.
That is the version of Ruby installed by Apple, for their own use. While it's OK to make...
How do I detect the Python version at runtime? [duplicate]
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Don't check the value of sys.version. Only use it for displaying purposes.
– iBug
Sep 17 '18 at 1:58
6
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Vim users, where do you rest your right hand? [closed]
Longtime vim users, do you keep your fingers onjkl; or hjkl in normal mode?
5 Answers
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What do people think of the fossil DVCS? [closed]
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Mr. Millikin, if you will take a few moments to review some of the documentation on fossil, I think your objections are addressed there. Storing a repository in an sQLite database is arguably safer than any other approach. See link text for some of the advantages of using a transactional d...
Undo part of unstaged changes in git
How do I undo parts of my unstaged changes in git but keep the rest as unstaged? The way I figured out is:
7 Answers
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Daylight saving time and time zone best practices [closed]
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Summary of answers and other data: (please add yours)
Do:
Whenever you are referring to an exact moment in time, persist the time according to a unified standard that is not affected by daylight savings. (GMT and UTC are equivalent with this regard, but it is preferred to use ...