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Open directory dialog
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410
You can use the built-in FolderBrowserDialog class for this. Don't mind that it's in the Syste...
Evaluate empty or null JSTL c tags
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774
How can I validate if a String is null or empty using the c tags of JSTL?
You can use the empt...
Detecting 'stealth' web-crawlers
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edited Mar 20 '14 at 6:46
answered Nov 22 '08 at 18:38
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How to generate and validate a software license key?
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Steven A. Lowe
57.3k1717 gold badges124124 silver badges199199 bronze badges
answered Mar 1 '09 at 13:53
Brent.LongboroughBrent.Longborough...
How to get a Static property with Reflection
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42
This is C#, but should give you the idea:
public static void Main() {
typeof(Program).GetP...
How to use git merge --squash?
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2114
Say your bug fix branch is called bugfix and you want to merge it into master:
git checkout mast...
How to install 2 Anacondas (Python 2 and 3) on Mac OS
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324
There is no need to install Anaconda again. Conda, the package manager for Anaconda, fully suppo...
The cast to value type 'Int32' failed because the materialized value is null
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Anders AbelAnders Abel
62.5k1414 gold badges138138 silver badges210210 bronze badges
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How can I hash a password in Java?
...DF2WithHmacSHA1");
byte[] hash = f.generateSecret(spec).getEncoded();
Base64.Encoder enc = Base64.getEncoder();
System.out.printf("salt: %s%n", enc.encodeToString(salt));
System.out.printf("hash: %s%n", enc.encodeToString(hash));
Here's a utility class that you can use for PBKDF2 password authenti...
How to detect orientation change in layout in Android?
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Ahmed Subhani
4522 silver badges66 bronze badges
answered Apr 20 '11 at 7:15
Dinesh SharmaDinesh Sharma
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