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Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize
....bashrc, .bash_profile, .profile and those files included by them such as /etc/profile, /etc/bash.bashrc
I located
export MAVEN_OPTS="-Xmx512m -XX:MaxPermSize=256m"
in .bashrc in my system, change it to
export MAVEN_OPTS="-Xmx512m"
issue resolved
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“From View Controller” disappears using UIViewControllerContextTransitioning
...r *)viewControllerForKey:(NSString *)key;
So instead of adjusting frames etc of toViewController.view, use the return value of [transitionContext viewForKey:UITransitionContextToViewKey].
If your app needs to support iOS7 and/or Xcode 5, then you can use a simple category method on UIViewControll...
Parsing XML with namespace in Python via 'ElementTree'
...u're dealing with big and complex xml files so that that sub-sub-elements (etc.) are also included.
If you know yourself where elements are in your xml, then I suppose it'll be fine! Just thought this was worth remembering.
root.iter()
ref: https://docs.python.org/3/library/xml.etree.elementtree....
Creating a config file in PHP
... comment - none of the parsing mechanisms would be the fastest (ini, json, etc) - but they're also not the parts of your application that you'd really need to focus on optimizing since the speed difference would be negligible on such small files.
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Generate list of all possible permutations of a string
...", "abe"...
but you'd have to permute each one to get "acb", "bac", "bca", etc.
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RESTful Authentication
...ch is very user-unfriendly. you cannot add password retrieval, help boxes, etcetera.
logging out or logging in under a different name is a problem - browsers will keep sending authentication information to the site until you close the window
timeouts are difficult
A very insightful article that ta...
What does “./bin/www” do in Express 4.x?
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Ultimately, you could have different scripts like test, stop, or restart, etc. Having this structure allows you to have different startup configurations, without cramming everything into app.js.
The correct way to start your Express app is:
npm start
To deploy an Express 4.x app to Heroku, add...
How to set the thumbnail image on HTML5 video?
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</video>
NOTE: make sure about your video type(ex: mp4, ogg, webm etc)
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When splitting an empty string in Python, why does split() return an empty list while split('\n') re
... tries to be clever. It splits on any whitespace, tabs, spaces, line feeds etc, and it also skips all empty strings as a result of this.
>>> " fii fbar \n bopp ".split()
['fii', 'fbar', 'bopp']
Essentially, .split() without parameters are used to extract words from a string, as oppos...
Entity Framework VS LINQ to SQL VS ADO.NET with stored procedures? [closed]
... copying, bulk deletion, ultra fast removal of duplicates from a database, etc. Use the right tool for the job, there is no shame in mingling native SQL with the LINQ to Entities framework.
– Contango
Feb 20 '11 at 16:08
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