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Java Embedded Databases Comparison [closed]
...lication for managing my finances. I believe I need to use an embedded database, but I have no experience regarding this issue. I tried to look at some of the available products , but I can't decide which one would be more suitable for me. H2 , HSQLDB , Derby and Berkeley DB seem to be good c...
MySQL: #126 - Incorrect key file for table
... Also I have about 2Gb free space and get this error. But my database about 1.7 Gb and database has a table with ~1.5M rows. After cleanup, when free space about 3.5-4Gb, the error disappears.
– Sergey
May 31 '12 at 5:35
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Using sed to mass rename files
...tion as &.
So what that sed command is doing is creating a mv command based on the original file (for the source) and character 1 and 3 onwards, effectively removing character 2 (for the destination). It will give you a series of lines along the following format:
mv F00001-0708-RG-biasliuyda F...
How to find NSDocumentDirectory in Swift?
...ommendation is to use NSURLs for files and directories instead of NSString based paths:
So to get the Document directory for the app as an NSURL:
func databaseURL() -> NSURL? {
let fileManager = NSFileManager.defaultManager()
let urls = fileManager.URLsForDirectory(.DocumentDirector...
BeanFactory vs ApplicationContext
...t.
AnnotationConfigApplicationContext Loading Spring beans from Annotation based configuration.
example:
ApplicationContext applicationContext = new AnnotationConfigApplicationContext(BeansConfiguration.class);
ApplicationContext is the container initialized by a ContextLoaderListener or Con...
How can I find non-ASCII characters in MySQL?
I'm working with a MySQL database that has some data imported from Excel . The data contains non- ASCII characters (em dashes, etc.) as well as hidden carriage returns or line feeds. Is there a way to find these records using MySQL?
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Access “this” from Java anonymous class
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Repeat each row of data.frame the number of times specified in a column
...UE), freq=sample(1:10, 1000, replace = TRUE)) On the tiny data.frame, the base answer does well in my benchmarking, it just doesn't scale well to bigger data.frames. The other three answers ran successfully with this larger data.frame.
– Sam Firke
Jul 7 '15 a...
How to prevent ENTER keypress to submit a web form?
How do you prevent an ENTER key press from submitting a form in a web-based application?
29 Answers
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Working with huge files in VIM
...
I wrote a little script based on Florian's answer that uses nano (my favorite editor):
#!/bin/sh
if [ "$#" -ne 3 ]; then
echo "Usage: $0 hugeFilePath startLine endLine" >&2
exit 1
fi
sed -n -e $2','$3'p' -e $3'q' $1 > hfnano_tempora...