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What is the main purpose of setTag() getTag() methods of View?

...s that are similar. You could set an OnClickListener for each view individually: button1.setOnClickListener(new OnClickListener ... ); button2.setOnClickListener(new OnClickListener ... ); ... Then you have to create a unique onClick method for each view even if they do the similar things, like:...
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Uri to default sound notification?

... all of these methods work mBuilder.setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION)); mBuilder.setSound(Settings.System.DEFAULT_NOTIFICATION_URI); mBuilder.setDefaults(Notification.DEFAULT_SOUND); ...
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Passing an array to a query using a WHERE clause

Given an array of ids $galleries = array(1,2,5) I want to have a SQL query that uses the values of the array in its WHERE clause like: ...
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Can you connect to Amazon ElastiСache Redis outside of Amazon?

... ...an Amazon ElastiCache Cluster, inside or outside a VPC, is never allowed to be accessed from the Internet. From here: http://aws.amazon.com/elasticache/faqs/#Can_I_access_Amazon_ElastiCache_from_outside_AWS EDIT 2018: This answer above was accurate when written, however it is now possi...
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Create nice column output in python

... This will make all columns the same width, which is not what column -t does. – intuited Dec 5 '12 at 0:54 ...
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Is there any way to prevent input type=“number” getting negative values?

...entered using the arrow buttons / spinner. However, the user can still manually enter in a negative number and have that field's value read as a negative number, thus bypassing the min attribute. – ecbrodie Jul 14 '15 at 15:49 ...
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How do I calculate the date six months from the current date using the datetime Python module?

... @sliders_alpha You need to install the python-dateutil package (pip install python-dateutil) – poiuytrez Nov 19 '13 at 15:29 19 ...
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What are the most common non-BMP Unicode characters in actual use? [closed]

... ‹ › GC=Zs EM SPACE 528576 U+0003BC ‹μ› GC=Ll GREEK SMALL LETTER MU 519669 U+0003B2 ‹β› GC=Ll GREEK SMALL LETTER BETA 512312 U+0003B1 ‹α› GC=Ll GREEK SMALL LETTER ALPHA 491842 U+00200A ‹ › GC=Zs HAIR SPACE 462505 U+0000B0 ‹°› GC=So DE...
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Bash/sh - difference between && and ;

I normally use ; to combine more than one command in a line, but some people prefer && . Is there any difference? For example, cd ~; cd - and cd ~ && cd - seems to make the same thing. What version is more portable, e.g. will be supported by a bash-subset like Android's shell ...
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How can I check if an argument is defined when starting/calling a batch file?

...ples save it as identifier.cmd it can identify an unlimited arguments (normally you are limited to %1-%9), just remember to wrap the arguments with inverted-commas, or use 8.3 naming, or drag&drop them over (it automatically does either of above). this allows you to run the following commands:...