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How to create a new database after initally installing oracle database 11g Express Edition?
...a batch file (ex. createOraDbWin.bat). Change the parameter values like app_name, ora_dir etc., Run the file with administrative privileges. The batch file creates a basic oracle database:
Note : May take much time (say around 30mins)
REM ASSUMPTIONS
rem oracle xe has been installed
rem oracle_ho...
Odd behavior when Java converts int to byte?
...
132 in digits (base 10) is 1000_0100 in bits (base 2) and Java stores int in 32 bits:
0000_0000_0000_0000_0000_0000_1000_0100
Algorithm for int-to-byte is left-truncate; Algorithm for System.out.println is two's-complement (Two's-complement is if leftmos...
When should I use nil and NULL in Objective-C?
...ntions this, but if you dig into objc.h, you'll find the line #define nill __DARWIN_NULL.
– gkb0986
Oct 25 '13 at 3:12
1
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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
...ssembly from gcc-4.6.4 -Os (executes in 0.709 secs):
00000000004004d2 <_ZL3addRKiS0_.isra.0>:
4004d2: 8d 04 37 lea eax,[rdi+rsi*1]
4004d5: c3 ret
00000000004004d6 <_ZL4workii>:
4004d6: 41 55 push r13
4...
JavaScript pattern for multiple constructors
... b= 'some default value';
if (typeof(a)==='string')
this._constructInSomeWay(a, b);
else if (a instanceof MyType)
this._constructInSomeOtherWay(a, b);
}
You can also access arguments as an array-like to get any further arguments passed in.
If you need more complex ar...
How do I get the real .height() of a overflow: hidden or overflow: scroll div?
...
Use the .scrollHeight property of the DOM node: $('#your_div')[0].scrollHeight
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Given a view, how do I get its viewController?
...nd
This macro avoids category pollution:
#define UIViewParentController(__view) ({ \
UIResponder *__responder = __view; \
while ([__responder isKindOfClass:[UIView class]]) \
__responder = [__responder nextResponder]; \
(UIViewController *)__responder; \
})
...
How to lock orientation during runtime
...
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
Called on an activity, will lock it to landscape. Look for the other flags in the ActivityInfo class. You can lock it back to portrait or make it sensor/slider driven.
More info here: http://www....
Reverse colormap in matplotlib
...ly reverse the color order of a given colormap in order to use it with plot_surface.
7 Answers
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How to implement a queue with three stacks?
...s of you good ideas.
EDIT: Explanation example:
| | | |3| | | |
| | | |_| | | |
| | |_____| | |
| | | |
| | |2| | |
| | |_| | |
| |_________| |
| |
| |1| |
| |_| |
|_____________|
I tried here with a little ASCII-art to show Stack1.
Every ...