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How to create a file in memory for user to download, but not through server?
Is there any way I can create a text file on the client side and prompt the user to download it, without any interaction with the server?
I know I can't write directly to their machine (security and all), but can I create and prompt them to save it?
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How many database indexes is too many?
...nds on the operations that occur on the table.
If there's lots of SELECTs and very few changes, index all you like.... these will (potentially) speed the SELECT statements up.
If the table is heavily hit by UPDATEs, INSERTs + DELETEs ... these will be very slow with lots of indexes since they all ...
How to convert TimeStamp to Date in Java?
... @vs06 What makes you think it is deprecated? The latest java 7 and 8 docs both say otherwise (docs.oracle.com/javase/7/docs/api/java/util/Date.html#getTime() and docs.oracle.com/javase/8/docs/api/java/util/Date.html#getTime--)
– Alex Coleman
Sep 22 ...
Connect Java to a MySQL database
...(DataSource) context.lookup("java:comp/env/jdbc/myDB");
or instantiating and configuring one from your database driver directly:
MysqlDataSource dataSource = new MysqlDataSource();
dataSource.setUser("scott");
dataSource.setPassword("tiger");
dataSource.setServerName("myDBHost.example.org");
an...
How to add elements of a Java8 stream into an existing List
... to add to an existing collection using forEachOrdered(). This is a useful and effective technique for mutating existing collections. My answer addresses why you shouldn't use a Collector to mutate an existing collection.
The short answer is no, at least, not in general, you shouldn't use a Collect...
What are the differences between “generic” types in C++ and Java?
Java has generics and C++ provides a very strong programming model with template s.
So then, what is the difference between C++ and Java generics?
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Can you help me understand this? “Common REST Mistakes: Sessions are irrelevant”
Disclaimer: I'm new to the REST school of thought, and I'm trying to wrap my mind around it.
6 Answers
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MySQL Great Circle Distance (Haversine formula)
I've got a working PHP script that gets Longitude and Latitude values and then inputs them into a MySQL query. I'd like to make it solely MySQL. Here's my current PHP Code:
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What do people find difficult about C pointers? [closed]
...ve some pretty fundemental issues when getting their heads around pointers and pointer arithmetic.
29 Answers
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Catch all JavaScript errors and send them to server
I wondered if anyone had experience in handling JavaScript errors globally and send them from the client browser to a server.
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