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How do you make a deep copy of an object?
...ep object copy function. What steps you take to ensure the original object and the cloned one share no reference?
19 Answe...
How to use GROUP_CONCAT in a CONCAT in MySQL
...ated) against a unique[Name,id]. Then from obtained table we get all names and values as a single value against each unique id
See this explained here SQL Fiddle Demo (scroll down as it has two result sets)
Edit There was a mistake in reading question, I had grouped only by id. But two group_contac...
How to enable file sharing for my app?
...I enable it so that users can see my app in iTunes in the File Sharing tab and then just drag+drop photos to the app?
7 Ans...
What is the purpose of the EBP frame pointer register?
I'm a beginner in assembly language and have noticed that the x86 code emitted by compilers usually keeps the frame pointer around even in release/optimized mode when it could use the EBP register for something else.
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Why is my Git Submodule HEAD detached from master?
...swers here which direct to external links which may stop working over time and check my answer here (Unless question is duplicate) - directing to question which does cover subject between the lines of other subject, but overall equals: "I'm not answering, read the documentation."
So back to the que...
How to grep a text file which contains some binary data?
.... Thanks! Here is what man cat says about -v: -v, --show-nonprinting use ^ and M- notation, except for LFD and TAB
– tommy.carstensen
Jan 3 '16 at 17:06
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Frequency table for a single variable
One last newbie pandas question for the day: How do I generate a table for a single Series?
4 Answers
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Using fonts with Rails asset pipeline
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If your Rails version is between > 3.1.0 and < 4, place your fonts in any of the these folders:
app/assets/fonts
lib/assets/fonts
vendor/assets/fonts
For Rails versions > 4, you must place your fonts in the app/assets/fonts folder.
Note: To place fonts...
C++ equivalent of StringBuffer/StringBuilder?
Is there a C++ Standard Template Library class that provides efficient string concatenation functionality, similar to C#'s StringBuilder or Java's StringBuffer ?
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Notification click: activity already open
...certain activity if I click them. I want that, if I click the notification and the activity is already opened, it's not started again, but just brought to front.
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