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How do I provide JVM arguments to VisualVM?
I'm using VisualVM from JDK 1.6.0_26 to profile a Java webapp running under Tomcat, but VisualVM often tells me that it doesn't have enough memory to take a snapshot, and to use the -Xmx switch to provide more memory to Netbeans. The problem is, I'm running VisualVM outside of Netbeans, so how can I...
how to File.listFiles in alphabetical order?
... can sort with Arrays.sort().
File[] files = XMLDirectory.listFiles(filter_xml_files);
Arrays.sort(files);
for(File _xml_file : files) {
...
}
This works because File is a comparable class, which by default sorts pathnames lexicographically. If you want to sort them differently, you can defi...
Can you use @Autowired with static fields?
...vironment: @Component public class SpringAppEnv{ public static Environment _env; @Autowired public void setEnv(Environment env) {_env = env;} }
– user1767316
Mar 14 '17 at 10:01
...
How to check if a String contains another String in a case insensitive manner in Java?
...tains is case sensitive. You can use java.util.regex.Pattern with the CASE_INSENSITIVE flag for case insensitive matching:
Pattern.compile(Pattern.quote(wantedStr), Pattern.CASE_INSENSITIVE).matcher(source).find();
EDIT: If s2 contains regex special characters (of which there are many) it's impo...
How to convert a String to CharSequence?
...value join with alternatives:
(x$1: CharSequence,x$2: java.lang.Iterable[_ <: CharSequence])String <and>
(x$1: CharSequence,x$2: CharSequence*)String
cannot be applied to (String, Iterable[String])
val header = String.join(",", cols)
I was able to fix this problem with the rea...
How are VST Plugins made?
...in.def). This needs to contain at least the following lines:
EXPORTS main=_main
Borland compilers add an underscore to function names, and this exports the main() function the way a VST host expects it. For more information about .def files, see the C++Builder help files.
This is not enough, tho...
Why are dashes preferred for CSS selectors / HTML attributes?
...ument.querySelector('#first-name');
var firstName = document.forms[0].first_name;
I find the two first options much more preferable, especially since '#first-name' can be replaced with a JavaScript variable and built dynamically. I also find them more pleasant on the eyes.
The fact that Sass enab...
How to download an entire directory and subdirectories using wget?
...ader: wget -r -l1 --no-parent http://www.stanford.edu/~boyd/cvxbook/cvxbook_additional_exercises/ was the answer for me. Thanks your answer.
– isomorphismes
Jun 21 '14 at 17:05
2
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MySql Table Insert if not exist otherwise update
... if an existing row is set to its current values. If you specify the CLIENT_FOUND_ROWS flag to mysql_real_connect() when connecting to mysqld, the affected-rows value is 1 (not 0) if an existing row is set to its current values...
...
Get list of databases from SQL Server
...uery:
SELECT name FROM master.dbo.sysdatabases
or if you prefer
EXEC sp_databases
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