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Best practices/performance: mixing StringBuilder.append with String.concat
I'm trying to understand what the best practice is and why for concatenating string literals and variables for different cases. For instance, if I have code like this
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HTTP URL Address Encoding in Java
My Java standalone application gets a URL (which points to a file) from the user and I need to hit it and download it. The problem I am facing is that I am not able to encode the HTTP URL address properly...
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How to display gpg key details without importing it?
I have a copy of the postgresql apt repository gpg key and would like to view the details of the gpg key as it comes in the file. Is this possible without importing it into a key ring?
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How to insert a SQLite record with a datetime set to 'now' in Android application?
...atabase.execSQL so you can enter a raw SQL query.
mDb.execSQL("INSERT INTO "+DATABASE_TABLE+" VALUES (null, datetime()) ");
Or the java date time capabilities :
// set the format to sql date time
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date date = new Date();...
How can I convert bigint (UNIX timestamp) to datetime in SQL Server?
How can I convert UNIX timestamp (bigint) to DateTime in SQL Server?
15 Answers
15
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No mapping found for field in order to sort on in ElasticSearch
...ound the solution as given below. ignore_unmapped should be explicitly set to true in the sort clause.
"sort" : [
{ "rating": {"order" : "desc" , "ignore_unmapped" : true} },
{ "price": {"order" : "asc" , "missing" : "_last" , "ignore_unmapped" : true} }
]
For further information ha...
Spring @PropertySource using YAML
Spring Boot allows us to replace our application.properties files with YAML equivalents. However I seem to hit a snag with my tests. If I annotate my TestConfiguration (a simple Java config), it is expecting a properties file.
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How to establish a connection pool in JDBC?
Can anybody provide examples or links on how to establish a JDBC connection pool?
13 Answers
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How can I find the data structure that represents mine layout of Minesweeper in memory?
I'm trying to learn about reverse engineering, using Minesweeper as a sample application. I've found this MSDN article on a simple WinDbg command that reveals all the mines but it is old, is not explained in any detail and really isn't what I'm looking for.
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$(document).click() not working correctly on iPhone. jquery [duplicate]
... cursor: pointer;
}
</style>
Longer answer:
It's important to realize that if you're just using <a> tags everything will work as expected. You can click or drag by mistake on a regular <a> link on an iPhone and everything behaves as the user would expect.
I imagine that ...