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Is “IF” expensive?
...erformance fluid dynamics simulation that runs for weeks on end. When the top priority is for your solution to "just work" the last thing on your mind should be whether or not you can save on the overhead of a conditional statement in your code.
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Lambda function in list comprehensions
...he value of i at the time of function definition (see James Powell's talk "Top To Down, Left To Right", which also explains why mutable default values are shunned).
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Getting key with maximum value in dictionary?
...astest under Python 3.2 and 2.7 (or, more completely, keywithmaxval at the top of this post)
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Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...lHost *:80>
ServerName mail.huatuo.com
DocumentRoot /var/www/extmail/html/
ScriptAlias /extmail/cgi /var/www/extmail/cgi
Alias /extmail /var/www/extmail/html
SuexecUserGroup postfix postfix
ScriptAlias /extman/cgi /var/www/extman/cgi
Ali...
Set cURL to use local virtual hosts
...servers for all other requests.
I personally think this is a bit over the top, and can't see why the hosts file wouldn't work. But it should solve the problem you're having. Make sure you set up your normal DNS servers as forwarders as well.
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How to explore web-based Google Play in another country?
...t is: Add the parameter gl=(countrycode).
For example, to see the list of top free business applications in your country, use this:
https://play.google.com/store/apps/category/BUSINESS/collection/topselling_free
Adding gl=ru gives you the list for Russia:
https://play.google.com/store/apps/categ...
Programming with white text on black background?
...o being the norm than an impairment.
The web is rife with research on the topic, but I think these two quotes provide a succinct justification for why light text on a dark background is a bad idea.
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using facebook sdk in Android studio
... the maven repo's instance, you'll need to do 2 things:
In your projects top-level build.gradle file, add the Maven Central repositories. Mine looks like this:
repositories {
jcenter() // This is the default repo
mavenCentral() // This is the Maven Central repo
}
In the app-leve...
How to unit test abstract classes: extend with stubs?
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This is a great answer. Much better than the top rated. But then I guess only those who really want to write testable code would appreciate it.. :)
– MalcomTucker
Jan 5 '12 at 19:16
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file_put_contents - failed to open stream: Permission denied
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The other option
is that you can make Apache (www-data), the owner of the folder
sudo chown -R www-data:www-data /var/www
that should make file_put_contents work now. But for more security you better also set the permissions like below
find /var/www -type d -print0 | xa...