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Regex doesn't work in String.matches()
I have this small piece of code
9 Answers
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Sorting HashMap by values [duplicate]
... @AquariusPower See the reversed method at docs.oracle.com/javase/8/docs/api/java/util/… You can apply it to the comparator returned by comparingByValue()
– Vitalii Fedorenko
Dec 28 '15 at 0:56
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Use JNI instead of JNA to call native code?
JNA seems a fair bit easier to use to call native code compared to JNI. In what cases would you use JNI over JNA?
10 Answe...
How can I iterate through the unicode codepoints of a Java String?
...s a codePoints() method built in to String: docs.oracle.com/javase/8/docs/api/java/lang/…
– Dov Wasserman
Apr 18 '14 at 17:13
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How can I create a UIColor from a hex string?
...perfect solution. If your hex string comes from a (very poorly documented) API, be sure to test against shorthand hex codes like #FFF or #FC0. You'll need to change them to #FFFFFF/#FFCCOO.
– Patrick
Feb 3 '15 at 22:53
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TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi
...ementError when trying to save a Django User model instance and in its post_save signal, I'm saving some models that have the user as the foreign key.
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SQL WHERE.. IN clause multiple columns
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or more generally SELECT * FROM table INNER JOIN otherTable ON ( table.x = otherTable.a AND table.y = otherTable.b)
– ala
Jul 16 '09 at 7:56
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How to unit test an object with database queries
I've heard that unit testing is "totally awesome", "really cool" and "all manner of good things" but 70% or more of my files involve database access (some read and some write) and I'm not sure how to write a unit test for these files.
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Why doesn't print work in a lambda?
...ed print function if you are using the latest Python 2.x:
In [1324]: from __future__ import print_function
In [1325]: f = lambda x: print(x)
In [1326]: f("HI")
HI
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Which iOS app version/build number(s) MUST be incremented upon App Store release?
...AJOR.MINOR.PATCH, increment the: MAJOR version when you make incompatible API changes, MINOR version when you add functionality in a backwards-compatible manner, and PATCH version when you make backwards-compatible bug fixes.
– jeet.chanchawat
Jul 7 '14 at 6:4...