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Calculate size of Object in Java [duplicate]
...class. Once an agent acquires the Instrumentation instance, the agent may call methods on the instance at any time. " <-- how do I do that (in Eclipse)?
– Tyler Petrochko
Feb 20 '12 at 21:47
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Cloning a MySQL database on the same MySql instance
...s contain the nice tool mysqldbcopy which by default copies a DB including all related objects (“tables, views, triggers, events, procedures, functions, and database-level grants”) and data from one DB server to the same or to another DB server. There are lots of options available to customize w...
Check if UIColor is dark or bright?
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This extension works with greyscale colors. However, if you are creating all your colors with the RGB initializer and not using the built in colors such as UIColor.black and UIColor.white, then possibly you can remove the additional checks.
extension UIColor {
// Check if the color is light ...
jQuery Data vs Attr?
...'#bar').data('fooBarBaz') );
//outputs "fizz-buzz" as hyphens are automatically camelCase'd
The hyphenated key will still work:
HTML:
<a id="bar" data-foo-bar-baz="fizz-buzz" href="#">fizz buzz!</a>
JS:
console.log( $('#bar').data('foo-bar-baz') );
//still outputs "fizz-buzz"
Ho...
How do I restrict a float value to only two places after the decimal point in C?
...he "%.2f" format string is indeed the correct answer. However, if you actually want to round the floating point value for further computation, something like the following works:
#include <math.h>
float val = 37.777779;
float rounded_down = floorf(val * 100) / 100; /* Result: 37.77 */
fl...
Java - How to create new Entry (key, value)
...ectly to the javadoc. From the Java 6 version
Interface Map.Entry
All Known Implementing Classes:
AbstractMap.SimpleEntry, AbstractMap.SimpleImmutableEntry
Unfortunately the 1.5 version does not list any known implementing class that you can use, so you may have be stuck with i...
How to check if a process is running via a batch script
...orked for me nicely (windows XP SP3). IMHO this is the most elegant way of all proposed here, using just the tools shipped with windows
– hello_earth
Jul 8 '10 at 15:30
2
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Determine on iPhone if user has enabled push notifications
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Call enabledRemoteNotificationsTypes and check the mask.
For example:
UIRemoteNotificationType types = [[UIApplication sharedApplication] enabledRemoteNotificationTypes];
if (types == UIRemoteNotificationTypeNone)
// b...
How to set space between listView Items in Android
...t="10.0sp"/>
For some reason, values such as "10", "10.0", and "10sp" all are rejected by Android for the dividerHeight value. It wants a floating point number and a unit, such as "10.0sp". As @Goofyahead notes, you can also use display-independent pixels for this value (ie, "10dp").
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How to open emacs inside bash
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Thanks, Tikhon! That's been pissing me off all day :P
– speeves
Jan 5 '12 at 23:27
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