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CodeIgniter: Create new helper?
...rrays in different ways and display it in a page. The arrays are generated by a module class. I know that its better not to include functions on 'views' and I want to know where to insert the functions file.
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Get most recent file in a directory on Linux
...head may be to exclude the inclusion of the line describing total returned by the ls.
– Peter Scott
Feb 5 '18 at 0:21
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Global Git ignore
...s\{myusername}\.gitignore. You can verify that the config value is correct by doing:
git config --global core.excludesFile
The result should be the expanded path to your user profile's .gitignore. Ensure that the value does not contain the unexpanded %USERPROFILE% string.
Important: The above comma...
What's the best way to store Phone number in Django models
...ually look into the internationally standardized format E.164, recommended by Twilio for example (who have a service and an API for sending SMS or phone-calls via REST requests).
This is likely to be the most universal way to store phone numbers, in particular if you have international numbers wor...
Run an Application in GDB Until an Exception Occurs
...finished executing. If the call raises an exception, however, the call may bypass the mechanism that returns control to you and cause your program either to abort or to simply continue running until it hits a breakpoint, catches a signal that GDB is listening for, or exits. This is the case even if ...
What is the difference between a var and val definition in Scala?
...understand. Its main drawback is that the queue that is passed is modified by toNum, so you have to make a copy of it beforehand. That's the kind of object management that immutability makes you free from.
Now, let's covert it to an immutable.Queue:
def toNum(q: scala.collection.immutable.Queue[In...
AutoLayout with hidden UIViews?
...between the two views. constant 0 of course means no gap. So hiding view A by setting it's width to 0 would move view B left to be flush with the container. Btw thanks for the up votes!
– Max MacLeod
Mar 7 '14 at 9:34
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Broken references in Virtualenvs
...mebrew if you don't already have it:
brew install findutils
Notice that by default, GNU programs installed with Homebrew tend to be prefixed with the letter g. This is to avoid shadowing the find binary that ships with OS X.
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Limiting the number of records from mysqldump?
... easily dump the n latest records using:
mysqldump --opt --where="1 ORDER BY id DESC limit 1000000" --all-databases > dump.sql
This is a perfect reason to why you should always name your PK's id and avoid composite PK's, even in association tables (use surrogate keys instead).
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Java - get pixel array from image
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Using BufferedImage's getRGB() method as described in @tskuzzy's answer.
By accessing the pixels array directly using:
byte[] pixels = ((DataBufferByte) bufferedImage.getRaster().getDataBuffer()).getData();
If you are working with large images and performance is an issue, the first method is a...