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javac : command not found
...he OpenJDK Development Environment. You can install java-devel or java-1.6.0-openjdk-devel, which both include javac.
By the way: you can find out which package provides javac with a yum search, e.g.
su -c 'yum provides javac'
on more recent releases of CentOS e.g. 6 the command changes to
su -...
Complete Working Sample of the Gmail Three-Fragment Animation Scenario?
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+500
Uploaded my proposal at github
(Is working with all android versions though view hardware acceleration is strongly recommended for t...
Should all jquery events be bound to $(document)?
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edited Oct 10 '12 at 17:28
answered Oct 10 '12 at 17:05
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How can I get a java.io.InputStream from a java.lang.String?
I have a String that I want to use as an InputStream . In Java 1.0, you could use java.io.StringBufferInputStream , but that has been @Deprecrated (with good reason--you cannot specify the character set encoding):
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Can Go compiler be installed on Windows?
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answered Jul 24 '10 at 19:05
JonasJonas
87.2k9090 gold badges260260 silver badges345345 bronze badges
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Use jQuery to change an HTML tag?
...l Fellows
115k1717 gold badges126126 silver badges190190 bronze badges
answered May 28 '09 at 1:33
mishacmishac
3,08911 gold badge...
Why is my program slow when looping over exactly 8192 elements?
...for(i=1;i<SIZE-1;i++)
for(j=1;j<SIZE-1;j++) {
res[j][i]=0;
for(k=-1;k<2;k++)
for(l=-1;l<2;l++)
res[j][i] += img[j+l][i+k];
res[j][i] /= 9;
}
First notice that the two inner loops are trivial. They can be unrolled as follows:
f...
Get User's Current Location / Coordinates
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230
To get a user's current location you need to declare:
let locationManager = CLLocationManager()...
What is “rvalue reference for *this”?
...t;
t.f(); // lvalue
test().f(); // rvalue
}
Output:
$ clang++ -std=c++0x -stdlib=libc++ -Wall -pedantic t.cpp
$ ./a.out
lvalue object
rvalue object
The whole thing is done to allow you to take advantage of the fact when the object the function is called on is an rvalue (unnamed temporary, for ...
Python time measure function
...et = f(*args)
time2 = time.time()
print '%s function took %0.3f ms' % (f.func_name, (time2-time1)*1000.0)
return ret
return wrap
And the usage is very simple, just use the @timing decorator:
@timing
def do_work():
#code
Python 3:
def timing(f):
def wrap(*args, **k...