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StringUtils.isBlank() vs String.isEmpty()
...ull). This is totally different than just checking if the string is empty.
From the linked documentation:
Checks if a String is whitespace, empty ("") or null.
StringUtils.isBlank(null) = true
StringUtils.isBlank("") = true
StringUtils.isBlank(" ") = true
StringU...
Common use-cases for pickle in Python
...n.
To emphasise @lunaryorn's comment - you should never unpickle a string from an untrusted source, since a carefully crafted pickle could execute arbitrary code on your system. For example see https://blog.nelhage.com/2011/03/exploiting-pickle/
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How do I handle too long index names in a Ruby on Rails ActiveRecord migration?
I am trying to add an unique index that gets created from the foreign keys of four associated tables:
9 Answers
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Java: Calling a super method which calls an overridden method
...he future.
That means there is no direct way to call SuperClass.method2() from SuperClass.method1() without going though SubClass.method2() unless you're working with an actual instance of SuperClass.
You can't even achieve the desired effect using Reflection (see the documentation of java.lang.re...
User recognition without cookies or local storage
...nd I can currently get the user's IP address, browser and operating system from their user agent.
12 Answers
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Return a “NULL” object if search result not found
...ava, if I had class with a 'search' method that would return an object T from a Collection< T > that matched a specific parameter, I would return that object and if the object was not found in the collection, I would return null . Then in my calling function I would just check if(tResult...
No module named setuptools
...ing twilio
Using cached twilio-5.3.0.tar.gz
Collecting httplib2>=0.7 (from twilio)
Using cached httplib2-0.9.2.tar.gz
Collecting six (from twilio)
Using cached six-1.10.0-py2.py3-none-any.whl
Collecting pytz (from twilio)
Using cached pytz-2015.7-py2.py3-none-any.whl
Building wheels for c...
How to extract public key using OpenSSL?
...@makenova This will regenerate the key in key.pem, which could prevent you from logging into instances that require that key!
– SubmittedDenied
May 1 '17 at 17:42
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How to create own dynamic type or dynamic object in C#?
... dynamic themselves, based on user defined entries. The examples here, and from Microsoft's ExpandoObject documentation, do not specifically address adding properties dynamically, but, can be surmised from how you enumerate and delete properties. Anyhow, I thought this might be helpful to someone. H...
iOS: How does one animate to new autolayout constraint (height)
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Beware: If using the UIViewAnimationOptionBeginFromCurrentState the layout constraints will be set BEFORE the animation!
– Robert
Sep 12 '14 at 8:15
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