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How do I declare and initialize an array in Java?
How do I declare and initialize an array in Java?
28 Answers
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keytool error Keystore was tampered with, or password was incorrect
...genkey -alias tomcat -keyalg RSA
because you are not specifying an explicit keystore it will try to generate (and in your case as you are getting exception so to update) keystore C:\users\abc>.keystore and of course you need to provide old password for .keystore while I believe you are providin...
Why does Unicorn need to be deployed together with Nginx?
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Nginx
Unicorn
Refer to unicorn on github for more information.
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MySQL vs MongoDB 1000 reads
I have been very excited about MongoDb and have been testing it lately. I had a table called posts in MySQL with about 20 million records indexed only on a field called 'id'.
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Why are C character literals ints instead of chars?
In C++, sizeof('a') == sizeof(char) == 1 . This makes intuitive sense, since 'a' is a character literal, and sizeof(char) == 1 as defined by the standard.
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Test if remote TCP port is open from a shell script
...inted by B. Rhodes, nc (netcat) will do the job. A more compact way to use it:
nc -z <host> <port>
That way nc will only check if the port is open, exiting with 0 on success, 1 on failure.
For a quick interactive check (with a 5 seconds timeout):
nc -z -v -w5 <host> <port>
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Any way to make a WPF textblock selectable?
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Use a TextBox with these settings instead to make it read only and to look like a TextBlock control.
<TextBox Background="Transparent"
BorderThickness="0"
Text="{Binding Text, Mode=OneWay}"
IsReadOnly="True"
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Why does parseInt(1/0, 19) return 18?
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The result of 1/0 is Infinity.
parseInt treats its first argument as a string which means first of all Infinity.toString() is called, producing the string "Infinity". So it works the same as if you asked it to convert "Infinity" in base 19 to decimal...
PHP: How to check if image file exists?
...me)) {
… }
Also, make sure $filename is properly validated. And then, it will only work when allow_url_fopen is activated in your PHP config
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What are the best practices for using a GUID as a primary key, specifically regarding performance?
... to use the GUIDs as the Primary Keys, but I was thinking of using a Composite Primary Key (The GUID and maybe another field.)
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