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Facebook Android Generate Key Hash
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Delete your debug certificate under ~/.android/debug.keystore (on Linux and Mac OS X); the directory is something like %USERHOME%/.android on Windows.
The Eclipse plugin should then generate a new certificate when you next try to build a debug package.
Let me know if that works.
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Check if a string is a date value
...th this as it will still return return for invalid dates in February, for example: 2013-02-31
– leojh
Feb 13 '13 at 22:47
62
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How do I find out which keystore was used to sign an app?
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First, unzip the APK and extract the file /META-INF/ANDROID_.RSA (this file may also be CERT.RSA, but there should only be one .RSA file).
Then issue this command:
keytool -printcert -file ANDROID_.RSA
You will get certificate fingerprints like t...
Java: Multiple class declarations in one file
...ing that at most one of these is public (see JLS §7.6 ). See below for example.
9 Answers
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How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
In Firefox 3, the answer is 6 per domain: as soon as a 7th XmlHttpRequest (on any tab) to the same domain is fired, it is queued until one of the other 6 finish.
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Use JNI instead of JNA to call native code?
...rary you will need a jni wrapper
If you need a lot of memory copying. For example, you call one method which returns you a large byte buffer, you change something in it, then you need to call another method which uses this byte buffer. This would require you to copy this buffer from c to java, then ...
Allow user to select camera or gallery for image
...ri of camera image to save.
final File root = new File(Environment.getExternalStorageDirectory() + File.separator + "MyDir" + File.separator);
root.mkdirs();
final String fname = Utils.getUniqueImageFilename();
final File sdImageMainDirectory = new File(root, fname);
outputFileUr...
Entity Framework - Add Navigation Property Manually
...pendent Role refers to the key properties...'
– Mikl X
Apr 17 '15 at 0:32
1
On #2, you might want...
How to call C from Swift?
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Yes, you can of course interact with Apples C libraries. Here is explained how.
Basically, the C types, C pointers, etc are translated into Swift objects, for example a C int in Swift is a CInt.
I've build a tiny example, for another question, which can be used as a little explanation, on...
Why are dates calculated from January 1st, 1970?
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It is the standard of Unix time.
Unix time, or POSIX time, is a system for describing points in time, defined as the number of seconds elapsed since midnight proleptic Coordinated Universal Time (UTC) of January 1, 1970, not counting leap seconds...