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How do I check CPU and Memory Usage in Java?
I need to check CPU and memory usage for the server in java, anyone know how it could be done?
15 Answers
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Pad a string with leading zeros so it's 3 characters long in SQL Server 2008
...t;= 3, if you want something larger you need to change the string constant and the two integer constants to the width needed. eg '0000' and VARCHAR(4)),4
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“The breakpoint will not currently be hit. The source code is different from the original version.”
...n debugging in Visual Studio, sometimes I add a breakpoint but it's hollow and VS says "The breakpoint will not currently be hit. The source code is different from the original version." Obviously this prevents me from being able to debug.
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How to use a RELATIVE path with AuthUserFile in htaccess?
... slash), it is treated as relative to the ServerRoot.
You have to accept and work around that limitation.
We're using IfDefine together with an apache2 command line parameter:
.htaccess (suitable for both development and live systems):
<IfDefine !development>
AuthType Basic
AuthName...
When should I use File.separator and when File.pathSeparator?
In the File class there are two strings, separator and pathSeparator .
3 Answers
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How to test if list element exists?
...es(foo) # TRUE
"b" %in% names(foo) # TRUE
"c" %in% names(foo) # FALSE
...and foo[["a"]] is safer than foo$a, since the latter uses partial matching and thus might also match a longer name:
x <- list(abc=4)
x$a # 4, since it partially matches abc
x[["a"]] # NULL, no match
[UPDATE] So, back t...
Kiosk mode in Android
I'm in the process of evaluating if and how a CF .NET enterprise application can be ported to run on Android devices. The application on Windows Mobile phones are run in kiosk mode where the application autostart in fullscreen-mode after booting and with the users unable to accidentally or willingly...
How can I create a “Please Wait, Loading…” animation using jQuery?
...relation to the viewport window
with position:fixed. Width, height, top and left speak
for themselves. Background we set to 80% white with
our animation centered, and no-repeating */
.modal {
display: none;
position: fixed;
z-index: 1000;
top: 0;
left: ...
AngularJS : How to watch service variables?
... always use the good old observer pattern if you want to avoid the tyranny and overhead of $watch.
In the service:
factory('aService', function() {
var observerCallbacks = [];
//register an observer
this.registerObserverCallback = function(callback){
observerCallbacks.push(callback);
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Git: “Corrupt loose object”
...s regarding git internals. This will show you how git works under the hood and how to go about doing this detective work if you are really stuck and can't get that object from someone else.
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