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What are the effects of exceptions on performance in Java?
...2 took 1003 ms, result was 2
method3 took 66716 ms, result was 2
The slowdown from the try block is too small to rule out confounding factors such as background processes. But the catch block killed everything and made it 66 times slower!
As I said, the result will not be that bad if you put try/...
Are there legitimate uses for JavaScript's “with” statement?
...
A downside to this would be that if you reference a variable within the with block which is outside the markupbuilder object, the js engine will first search for it inside markupbuilder anyway, reducing performance.
...
Single Page Application: advantages and disadvantages [closed]
...requests.
2. With SPA we don't need to use extra queries to the server to download pages.
The number of pages user downloads during visit to my web site?? really how many mails some reads when he/she opens his/her mail account. I read >50 at one go. now the structure of the mails is almost the ...
Android Log.v(), Log.d(), Log.i(), Log.w(), Log.e() - When to use each one?
...ogs, and then Info level will log a subset of the debug logs. When you get down to the Error logs, then you just want to log any sort of errors that may have occured. There is also a debug level called Fatal for when something really hits the fan in your app.
In general, you're right, it's basicall...
Best way to check if a URL is valid
...
function is_url($uri){
if(preg_match( '/^(http|https):\\/\\/[a-z0-9_]+([\\-\\.]{1}[a-z_0-9]+)*\\.[_a-z]{2,5}'.'((:[0-9]{1,5})?\\/.*)?$/i' ,$uri)){
return $uri;
}
else{
return false;
}
}
...
Installing Python 3 on RHEL
...manually:
Download (there may be newer releases on Python.org):
$ wget https://www.python.org/ftp/python/3.4.3/Python-3.4.3.tar.xz
Unzip
$ tar xf Python-3.*
$ cd Python-3.*
Prepare compilation
$ ./configure
Build
$ make
Install
$ make install
OR if you don't want to overwrite the pyth...
How to locate the git config file in Mac [duplicate]
...credential]
helper = osxkeychain
[url ""]
insteadOf = git://
[url "https://"]
[url "https://"]
insteadOf = git://
there would be a blank url=""
replace it with url="https://"
[user]
name = 1wQasdTeedFrsweXcs234saS56Scxs5423
email = ankittanna@hotmail.com
[credential]
helpe...
Need for predictable random generator
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You could scale the starting probability down a bit, so that the overall proportion is reduced to 1/5. I haven't worked out how much you have to reduce it by, but everything is continuous so there must be a right answer.
– Steve Jessop
...
Do you continue development in a branch or in the trunk? [closed]
...ing the regression tests fails is sheer folly and will quickly slow things down.
Have a read of Martin Fowler's paper on Continuous Integration. We rolled our own such system for a major project (3,000kSLOC) in about 2,000 lines of Posix sh.
...
google oauth2 redirect_uri with several parameters
...String -> asawerwerwfgsg,
Pass this state in OAuth authorization URL:
https://accounts.google.com/o/oauth2/auth?
client_id=21302922996.apps.googleusercontent.com&
redirect_uri=https://www.example.com/back&
scope=https://www.google.com/m8/feeds/&
response_type=token&
st...