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How do you crash a JVM?
...e JVM immediately without proper cleanup. But apart from that, native code and resource exhaustion are the most likely answers. Alternatively you can go looking on Sun's bug tracker for bugs in your version of the JVM, some of which allow for repeatable crash scenarios. We used to get semi-regular c...
Make a program run slowly
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Lower the priority using nice (and/or renice). You can also do it programmatically using nice() system call. This will not slow down the execution speed per se, but will make Linux scheduler allocate less (and possibly shorter) execution time frames, preem...
Favourite performance tuning tricks [closed]
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Here is the handy-dandy list of things I always give to someone asking me about optimisation.
We mainly use Sybase, but most of the advice will apply across the board.
SQL Server, for example, comes with a host of performance monitorin...
Understanding Canvas and Surface concepts
I'm struggling to understand the process of drawing to SurfaceView and therefore the whole Surface / Canvas / Bitmap system, which is used in Android.
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【转】用App Inventor 2实现电子围栏功能 - App应用开发 - 清泛IT社区，为创新赋能！
... map’s drawn view. The value is a list of lists containing the northwest and southeast coordinates of the current view in the form ((North West) (South East)).设置或获取地图的边界，值是一个包含了西北和东南坐标的嵌套列表，格式为((北西)(南东))CenterFromString地...
Case insensitive searching in Oracle
The default behaviour of LIKE and the other comparison operators, = etc is case-sensitive.
6 Answers
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Android Fragments. Retaining an AsyncTask during screen rotation or configuration change
I'm working on a Smartphone / Tablet app, using only one APK, and loading resources as is needed depending on screen size, the best design choice seemed to be using Fragments via the ACL.
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What is Java Servlet?
I read many articles to understand java servlet but I did not succeed.
12 Answers
12
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Padding or margin value in pixels as integer using jQuery
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FYI: jQuery does add the 'px', so Ian's solution works and will also return an integer when passed into parseInt() -- and it doesn't require a plugin: parseInt($('a').css('margin-top').replace('px', ''))
– Peter Rust
Jan 23 '11 at 0:55
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Disable git EOL Conversions
...le. Most of the time, it should look like below (or this screen-shot):
# Handle line endings automatically for files detected as text
# and leave all files detected as binary untouched.
* text=auto
# Never modify line endings of our bash scripts
*.sh -crlf
#
# The above will handle all files NOT...