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Deploying just HTML, CSS webpage to Tomcat
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There is no real need to create a war to run it from Tomcat. You can follow these steps
Create a folder in webapps folder e.g. MyApp
Put your html and css in that folder and name the html file, which you want to be the starting page for your application, index.html
Start...
Python hashable dicts
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Subclassing from dict has been well defined since Python 2.2. See collections.OrderedDict and collections.Counter for examples from the Python standard library. The other comment is based on the unfounded belief that only subclasses o...
Wrapping null-returning method in Java with Option in Scala?
...don't know whether it will return you a string or a null, because it comes from Java.
4 Answers
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Can't compare naive and aware datetime.now()
....datetime object with timezone info as following
d = datetime.datetime.utcfromtimestamp(int(unix_timestamp))
d_with_tz = datetime.datetime(
year=d.year,
month=d.month,
day=d.day,
hour=d.hour,
minute=d.minute,
second=d.second,
tzinfo=pytz.UTC)
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What does the smiley face “:)” mean in CSS?
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From an article at javascriptkit.com, that's applied for IE 7 and earlier versions:
if you add a non-alphanumeric character such as an asterisk (*) immediately before a property name, the property will be applied in IE an...
Best practices for overriding isEqual: and hash
...n a number of Java applications (including Eclipse). It derived, however, from an even older implementation which is variously attributed to Dan Bernstein or Chris Torek. That older algorithm originally floated around on Usenet, and certain attribution is difficult. For example, there is some int...
How are software license keys generated?
...to disassemble our released application and produce a working “keygen” from it. This means that our application will not fully test a key for verification. Only some of the key is to be tested. Further, each release of the application should test a different portion of the key, so that a phony k...
How to make pipes work with Runtime.exec()?
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Create a Runtime to run each of the process. Get the OutputStream from the first Runtime and copy it into the InputStream from the second one.
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Forced naming of parameters in Python
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In Python 3 - Yes, you can specify * in the argument list.
From docs:
Parameters after “*” or “*identifier” are keyword-only parameters and
may only be passed used keyword arguments.
>>> def foo(pos, *, forcenamed):
... print(pos, forcenamed)
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>>&...
std::shared_ptr thread safety explained
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Yes. From my understanding, the standard does not say that it must be lock-free. But in the latest GCC and MSVC, it is lock-free on Intel x86 hardware, and I think other good compilers are likely to do the same when the hardware ...