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Auto-center map with multiple markers in Google Maps API v3
...ener(listener);
});
This way, you can use an arbitrary number of points, and don't need to know the order beforehand.
Demo jsFiddle here: http://jsfiddle.net/x5R63/
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How do you convert epoch time in C#?
...TimeOffset2 = DateTimeOffset.FromUnixTimeMilliseconds(epochMilliseconds);
And if you need the DateTime object instead of DateTimeOffset, then you can call the DateTime property
DateTime dateTime = dateTimeOffset .DateTime;
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Is it possible to target older iOS versions when using Xcode 4.2 and iOS 5 SDK?
I just recently downloaded the Xcode 4.2 with iOS 5 SDK package and I immediately noticed that I am unable to use my iPhone 3Gs with iOS 4.2.1 for debugging. I am only able to debug and test on my iphone 4 with iOS 5 installed.
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Check if database exists in PostgreSQL using shell
...rows" will succeed. So we pipe this output through a bunch of built-in command line tools to only search in the first column.
The -t flag removes headers and footers:
my_db | my_user | UTF8 | en_US.UTF8 | en_US.UTF8 |
postgres | postgres | LATIN1 | en_US | en_US |
te...
Command-line Tool to find Java Heap Size and Memory Used (Linux)?
Is there a Command-line Tool (Linux) to check Heap Size (and Used Memory) of a Java Application?
17 Answers
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How can I get the SQL of a PreparedStatement?
...ou have a statement, containing placeholders
it is sent to the DB server
and prepared there
which means the SQL statement is "analysed", parsed, some data-structure representing it is prepared in memory
And, then, you have bound variables
which are sent to the server
and the prepared statement ...
Program only crashes as release build — how to debug?
...t a program nonetheless) is crashing, but only when built in release mode, and only when launched from the command line. Through caveman debugging (ie, nasty printf() messages all over the place), I have determined the test method where the code is crashing, though unfortunately the actual crash se...
Good reasons NOT to use a relational database?
Can you please point to alternative data storage tools and give good reasons to use them instead of good-old relational databases? In my opinion, most applications rarely use the full power of SQL--it would be interesting to see how to build an SQL-free application.
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Count rows with not empty value
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I just used =COUNTIF(Range, "<>") and it counted non-empty cells for me.
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How can I convert spaces to tabs in Vim or Linux?
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Using Vim to expand all leading spaces (wider than 'tabstop'), you were right to use retab but first ensure 'expandtab' is reset (:verbose set ts? et? is your friend). retab takes a range, so I usually specify % to mean "the whole file".
:s...