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Is it fine to have foreign key as primary key?
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134
Foreign keys are almost always "Allow Duplicates," which would make them unsuitable as Primary...
what is faster: in_array or isset? [closed]
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119
The answers so far are spot-on. Using isset in this case is faster because
It uses an O(1) h...
Write a program to find 100 largest numbers out of an array of 1 billion numbers
... recently attended an interview where I was asked "write a program to find 100 largest numbers out of an array of 1 billion numbers."
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Android: textColor of disabled button in selector not showing?
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251
You need to also create a ColorStateList for text colors identifying different states.
Do the f...
Python's json module, converts int dictionary keys to strings
... for the given language, are strings (or "scalars" in Perl). In perl $foo{1}, $foo{1.0}, and $foo{"1"} are all references to the same mapping in %foo --- the key is evaluated as a scalar!
JSON started as a Javascript serialization technology. (JSON stands for JavaScript Object Notation.) Naturall...
How to get a random value from dictionary in python
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14 Answers
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How to change value of object which is inside an array using JavaScript or jQuery?
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148
You have to search in the array like:
function changeDesc( value, desc ) {
for (var i in p...
Restart node upon changing a file
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edited Jan 27 '18 at 3:17
The Red Pea
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Android Gradle plugin 0.7.0: “duplicate files during packaging of APK”
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As of Android Studio version 0.8.14
You should add:
android {
packagingOptions {
exclude 'META-INF/LICENSE.txt'
exclude 'META-INF/NOTICE.txt'
exclude '...'
}
}
to your build.gradle file.
History:
According to c...