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How do I find out which keystore was used to sign an app?

...ture algorithm name: SHA1withRSA Then use the keytool again to print out all the aliases of your signing keystore: keytool -list -keystore my-signing-key.keystore You will get a list of aliases and their certificate fingerprint: android_key, Jan 23, 2010, PrivateKeyEntry, Certificate fingerpri...
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Node.js app can't run on port 80 even though there's no other process blocking the port

I'm running an instance of Debian on Amazon EC2 with Node.js installed. If I run the code below: 9 Answers ...
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How do I write output in same place on the console?

... I also had to add a call to sys.stdout.flush() so the cursor didn't bounce around – scottm Feb 5 '09 at 19:40 20 ...
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fs: how do I locate a parent folder?

... why? just generally why? can someone please explain? – eyurdakul May 16 '17 at 15:12 ...
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What is a NullReferenceException, and how do I fix it?

.... This means you either set it to null, or you never set it to anything at all. Like anything else, null gets passed around. If it is null in method "A", it could be that method "B" passed a null to method "A". null can have different meanings: Object variables which are uninitialized and hence poi...
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Add Variables to Tuple

... I think its important to note that tuples are immutable - they cannot actually be modified. What this solution does is create a new tuple based on two existing tuples. – That1Guy Jan 16 '19 at 20:58 ...
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How to set default value to the input[type=“date”] [duplicate]

... @sheriffderek . This is not supported in all browsers, you need a jquery or similar fallback solution – jonah May 3 '17 at 2:49 ...
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Why does Python code use len() function instead of a length method?

...on objects which have a length and use the built-in len() function, which calls it for you, similar to the way you would implement __iter__() and use the built-in iter() function (or have the method called behind the scenes for you) on objects which are iterable. See Emulating container types for m...
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What's an easy way to read random line from a file in Unix command line?

... You can use shuf: shuf -n 1 $FILE There is also a utility called rl. In Debian it's in the randomize-lines package that does exactly what you want, though not available in all distros. On its home page it actually recommends the use of shuf instead (which didn't exist when it was cr...
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Get Android Phone Model programmatically

...uld like to know if there is a way for reading the Phone Model programmatically in Android. 16 Answers ...