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Is there an eval() function in Java? [duplicate]
... Java class or method that will do what you want. Your options include:
Select and use some third-party expression evaluation library. For example JEL or any of the half dozen libraries listed here.
Wrap the expression in the Java source code for a class with an eval method, send that to the Jav...
Copying files into the application folder at compile time
... Isn't this just the same as right-clicking the project and selecting "Add | Existing Item" from Solution Explorer, then setting the File property "Copy to Output Directory" to "Copy if newer". There's no need to modify the XML directly.
– Antony Booth
...
Does HTTP use UDP?
...n't generate raw TCP frames (nor UDP ones for that matter) they do have to select the transport to use, and for normal HTTP that's always TCP. The newer QUIC pseudo-protocol does however use UDP.
– Alnitak
Sep 27 '18 at 9:16
...
CodeIgniter: Create new helper?
... $ci=& get_instance();
$ci->load->database();
$sql = "select * from table";
$query = $ci->db->query($sql);
$row = $query->result();
}
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javac : command not found
...es --configure java to switch between them.
To find java location of java selected in alternatives
readlink -f $(which java)
In my case:
/usr/java/jdk1.8.0_241-amd64/jre/bin/java
So I set following in .bashrc to:
export JAVA_HOME=/usr/java/jdk1.8.0_241-amd64/jre/bin/java
export JAVAC_HOM...
mysqldump - Export structure only without autoincrement
...es,
mysql -hlocalhost -uuser -ppass --skip-column-names --batch \
-e "select table_name from tables where table_type = 'BASE TABLE' and table_schema = 'schemaname'" INFORMATION_SCHEMA \
| xargs mysqldump -hlocalhost -uuser -ppass \
--no-data --skip-triggers --skip-opt --no-create-db \
s...
Detect IF hovering over element with jQuery
...
Original (And Correct) Answer:
You can use is() and check for the selector :hover.
var isHovered = $('#elem').is(":hover"); // returns true or false
Example: http://jsfiddle.net/Meligy/2kyaJ/3/
(This only works when the selector matches ONE element max. See Edit 3 for more)
.
Edit 1 (...
Changing all files' extensions in a folder with one command on Windows
...
on CMD
type
ren *.* *.jpg
. will select all files, and rename to * (what ever name they have) plus extension to jpg
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Using different Web.config in development and production environment
... test, staging and production) we developed a system where the application selected the appropriate configuration based on the machine name it was deployed to.
This worked for us because:
administrators could deploy applications without involving developers (a requirement) and without having to f...
What Ruby IDE do you prefer? [closed]
...es.
Incidentally RubyMine can do a lot of the things that Vim can do like select and edit a column of text or split the view into several editing panels with different files in them.
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