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A KeyValuePair in Java [duplicate]
...d programmers could use BasicNameValuePair
Update:
BasicNameValuePair is now deprecated (API 22).
Use Pair instead.
Example usage:
Pair<Integer, String> simplePair = new Pair<>(42, "Second");
Integer first = simplePair.first; // 42
String second = simplePair.second; // "Second"
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NameValueCollection vs Dictionary [duplicate]
...hash key lookup', which is what my initial question was. I also understand now that when i wrote 'hash table' you understood me to mean a .NET HashTable which is NOT what i meant. I meant it generically, which could otherwise be expressed as a 'quick binary search' for the key name. And this is inde...
set the width of select2 input (through Angular-ui directive)
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This is the best answer so far. But now, for me, the search field doesn't fill all the width. Any easy way to correct this?
– TNT
Dec 23 '17 at 22:39
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What is the difference between a pseudo-class and a pseudo-element in CSS?
...lement refers to things that are part of the document, but you just don't know it yet. For example the first letter. Before you only had text. Now you have a first letter that you can target. It is a new concept, but was always part of the document. This also includes things like ::before; whil...
In MySQL, how to copy the content of one table to another table within the same database?
...at w3school page is for a different SQL, not intended for MySQL. w3schools now has error reporting, if you find issues report it on their site to assist with accurate knowledge.
– Nightwolf
Sep 27 '17 at 10:50
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Convert JSON string to dict using Python
...: return json.load(json_data) I'm sure this can be improved, but now you can call d = read_json(j) on a json 'str' or 'file'.
– Jacques Mathieu
May 31 '18 at 16:32
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How using try catch for exception handling is best practice
...ty components
Then I enclose in 'try/catch'
All the operations that I know might not work all the time (IO operations, calculations with a potential zero division...). In such a case, I throw a new ApplicationException("custom message", innerException) to keep track of what really happened
Add...
Convert boolean result into number/integer
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Interestingly, the ternary is now fastest in Chrome 64.0.3282 on macOS 10.13.3.
– 2540625
Feb 13 '18 at 23:49
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SQL command to display history of queries
...ation files (e.g. edit /etc/mysql/my.cnf, then restart to apply changes).
Now, if you'd like you can tail -f /var/log/mysql/mysql.log
More info here: Server System Variables
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Run MySQLDump without Locking Tables
...ng (and you use foreign keys), you're dump may be inconsistent. You won't know until you restore it and happen to run JOIN queries on the inconsistent data. It may take a while for the inconsistent data to be discovered because the JOINs are used by your application not Mysql (with MyISAM tables); t...