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Is an index needed for a primary key in SQLite?

...x be explicitly created for it as well? SQLite does not appear to automatically create an index for a primary key column, but perhaps it indexes it anyway, given its purpose? (I will be searching on that column all the time). ...
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Is there a numpy builtin to reject outliers from a list

...ng like the following? That is, take a list d and return a list filtered_d with any outlying elements removed based on some assumed distribution of the points in d . ...
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Sort a text file by line length including spaces

...ou change one field. I guess it's not crazy behaviour. It has this: "Finally, there are times when it is convenient to force awk to rebuild the entire record, using the current value of the fields and OFS. To do this, use the seemingly innocuous assignment:" $1 = $1 # force record to be recon...
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How do I read an attribute on a class at runtime?

...d be further generalized by extending MemberInfo, a base class of Type and all - or at least most - of a Type's members. Doing so would open this up to allow reading attributes from Properties, Fields, and even Events. – M.Babcock Aug 12 '14 at 1:54 ...
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Why does PHP 5.2+ disallow abstract static class methods?

...2, I saw a load of strict standards warnings from a project that was originally written without strict warnings: 8 Answers ...
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JsonMappingException: No suitable constructor found for type [simple type, class ]: can not instanti

... So, finally I realized what the problem is. It is not a Jackson configuration issue as I doubted. Actually the problem was in ApplesDO Class: public class ApplesDO { private String apple; public String getApple() { ...
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Jasmine.js comparing arrays

... this falls back on "==" in javascript by default. This is just not safe since not only the actual values are compared, but the whole object. – Peter Nov 12 '14 at 11:00 ...
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“sending 'const NSString *' to parameter of type 'NSString *' discards qualifiers” warning

I have Constants NSString, that I want to call like: 3 Answers 3 ...
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Android notification is not showing

... The code won't work without an icon. So, add the setSmallIcon call to the builder chain like this for it to work: .setSmallIcon(R.drawable.icon) Android Oreo (8.0) and above Android 8 introduced a new requirement of setting the channelId property by using a NotificationChannel...
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How do I check if an element is really visible with JavaScript? [duplicate]

In JavaScript, how would you check if an element is actually visible? 16 Answers 16 ...