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Most efficient way to increment a Map value in Java
...Some test results
I've gotten a lot of good answers to this question--thanks folks--so I decided to run some tests and figure out which method is actually fastest. The five methods I tested are these:
the "ContainsKey" method that I presented in the question
the "TestForNull" method suggested by ...
What are the First and Second Level caches in Hibernate?
... to go for a database
transaction. In this way the second level cache works. Here we can use
query level cache also.
Quoted from: http://javabeat.net/introduction-to-hibernate-caching/
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Error java.lang.OutOfMemoryError: GC overhead limit exceeded
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This message means that for some reason the garbage collector is taking an excessive amount of time (by default 98% of all CPU time of the process) and recovers very little memory in each run (by default 2% of the heap).
This effectively means that your program stops doing any progress and ...
How can I write a heredoc to a file in Bash script?
...ot be recognized.
In a shell script, you may want to use indentation to make the code readable, however this can have the undesirable effect of indenting the text within your here document. In this case, use <<- (followed by a dash) to disable leading tabs (Note that to test this you will nee...
Import regular CSS file in SCSS file?
...om sass, I do still enjoy it's combining/compressing features, and would like to be able to use it without renaming all of my files to *.scss
...
Entity Framework with NOLOCK
How can I use the NOLOCK function on Entity Framework? Is XML the only way to do this?
9 Answers
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Can you control how an SVG's stroke-width is drawn?
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No, you cannot specify whether the stroke is drawn inside or outside an element. I made a proposal to the SVG working group for this functionality in 2003, but it received no support (or discussion).
As I noted in the proposal,
you can achieve the same visual...
Any reason to clean up unused imports in Java, other than reducing clutter?
...
I don't think that performance problems or something like that are likely if you are not removing the imports.
But there could be naming conflicts, in rare cases like importing the list interface.
In Eclipse you can always use a shortc...
Firing events on CSS class changes in jQuery
...Changed', data, function(){ do stuff });
but otherwise, no, there's no baked-in way to fire an event when a class changes. change() only fires after focus leaves an input whose input has been altered.
$(function() {
var button = $('.clickme')
, box = $('.box')
;
button.on(...
Proper way to catch exception from JSON.parse
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i post something into an iframe then read back the contents of the iframe with json parse...so sometimes it's not a json string
Try this:
if(response) {
try {
a = JSON.parse(response);
} catch(e) {
alert(e); // error in the above string (in th...