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Android List Preferences: have summary as selected value?

.../8155029/592025 is that, it shows the value for my preference (like 1, 2 3 etc). I want to show the entry (human readable string) corresponding to the selected value. So I changed it this way and works the way I need it. listPreference.setSummary(servicePreference.getEntry().toString()); listPrefe...
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Use RSA private key to generate public key?

I don't really understand this one: 9 Answers 9 ...
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Are negative array indexes allowed in C?

...ially be well-defined, and you could determine if it is based on offsetof, etc. – R.. GitHub STOP HELPING ICE Aug 13 '10 at 6:35 4 ...
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How to format a duration in java? (e.g format H:MM:SS)

...Type you want to reflect whether 25 hours becomes 1 day and 1 hour or not, etc) to get a Period which you can format. If you're using Java 8 or later: I'd normally suggest using java.time.Duration to represent the duration. You can then call getSeconds() or the like to obtain an integer for standar...
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Empty arrays seem to equal true and false at the same time

... You're testing different things here. if (arr) called on object (Array is instance of Object in JS) will check if the object is present, and returns true/false. When you call if (arr == false) you compare values of this object and the primitive false value. Internally, a...
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“The Controls collection cannot be modified because the control contains code blocks”

... from adding custom control blocks with various information like meta-tags etc so this is the only way it works for me.) share | improve this answer | follow |...
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How to convert comma-separated String to List?

...ll work for strings like "item1 , item2 , item3", or "item1,item2 ,item3", etc. In Java, you need to escape the backslash in strings, so you get \\s* – andrewrjones Nov 14 '12 at 9:44 ...
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Importance of varchar length in MySQL table

...re memory than you have to. This affects cache efficiency, sorting speed, etc. share | improve this answer | follow | ...
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How do I check if file exists in Makefile so I can delete it?

... SHELL := /opt/local/bin/bash OS_X := true else ifneq (,$(wildcard /etc/redhat-release)) OS_RHEL := true else OS_DEB := true SHELL := /bin/bash endif Update: I found a way which is really working for me: ifneq ("$(wildcard $(PATH_TO_FILE))","") FILE_EXISTS = 1 else ...
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Should I pass a shared_ptr by reference? [duplicate]

...mber of bugs arise from improper lifetime management. What's worse conceptually is that it is never clear who owns the objects whose pointers the container stores. The pointers could even be a mix of pointers to dynamic objects, automatic objects, and garbage. Nobody can tell. So the standard soluti...