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Handle spring security authentication exceptions with @ExceptionHandler
...te static final boolean jaxb2Present =
ClassUtils.isPresent("javax.xml.bind.Binder", MessageProcessor.class.getClassLoader());
private static final boolean jackson2Present =
ClassUtils.isPresent("com.fasterxml.jackson.databind.ObjectMapper", MessageProcessor.class.getClassLoader...
Firefox ignores option selected=“selected”
... shortest form, but I usually write code that also validates as wellformed XML, so that I can use any XML validation tool to check my results in a very strict way (and data exchange is very easy...)
According to W3C, these variants should be valid on boolean attributes:
HTML5: boolAttr="" | boolA...
Remove characters except digits from string using Python?
...
In Python 2.*, by far the fastest approach is the .translate method:
>>> x='aaa12333bb445bb54b5b52'
>>> import string
>>> all=string.maketrans('','')
>>> nodigs=all.translate(all, string.digi...
Python dictionary: are keys() and values() always the same order?
.... I can only assume it's because "Dict keeps insertion order" in 3.7: mail.python.org/pipermail/python-dev/2017-December/151283.html
– EliadL
Jan 23 '19 at 16:40
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How to check Django version
I have to use Python and Django for our application. So I have two versions of Python, 2.6 and 2.7. Now I have installed Django. I could run the sample application for testing Django succesfuly. But how do I make sure whether Django uses the 2.6 or 2.7 version and what version of modules Django ...
How to copy a dictionary and only edit the copy
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Python never implicitly copies objects. When you set dict2 = dict1, you are making them refer to the same exact dict object, so when you mutate it, all references to it keep referring to the object in its current state.
If y...
Determine if the device is a smartphone or tablet? [duplicate]
... set a boolean value in a specific value file (as res/values-sw600dp/attrs.xml):
<resources>
<bool name="isTablet">true</bool>
</resources>
Because the sw600dp qualifier is only valid for platforms above android 3.2. If you want to make sure this technique works on all...
Auto-indent in Notepad++
...Indent by fold is awesome. The fact that it works in arbitrary formatting (XML, C/++/#, etc.) is great. Only problem with it is the "undo" stack. When used, if you wish to undo to a point before when you indented, you have to undo through every line re-indentation, as it doesn't get added to the sta...
How do you connect localhost in the Android emulator? [duplicate]
...emulator-to-application-on-localhost/
Defining network security config in xml
<network-security-config>
<domain-config cleartextTrafficPermitted="true">
<domain includeSubdomains="true">10.0.2.2</domain>
</domain-config>
</network-security-config>...
How to get one value at a time from a generator function in Python?
Very basic question - how to get one value from a generator in Python?
6 Answers
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