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How to validate an Email in PHP?
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Stay away from regex and filter_var() solutions for validating email. See this answer: https://stackoverflow.com/a/42037557/953833
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List comprehension vs map
...ust to iterate. The same argument holds for filter and reduce and anything from the itertools module: if you already have a function handy, you could go ahead and do some functional programming. This gains readability in some situations, and loses it in others (e.g. novice programmers, multiple argu...
Is delete this allowed?
... phone call, something takes note of that and creates a phone_call object. From that point onward, the phone_call object handles the details of the phone call (making a connection when you dial, adding an entry to the database to say when the call started, possibly connect more people if you do a co...
Why is Double.MIN_VALUE in not negative
... a constant representing the least possible value as it is simply a - away from MAX_VALUE :-)
(Note, there is also Double.NEGATIVE_INFINITY but I'm disregarding from this, as it is to be seen as a "special case" and does not in fact represent any actual number.)
Here is a good text on the subject....
How can I remove a pytz timezone from a datetime object?
Is there a simple way to remove the timezone from a pytz datetime object?
e.g. reconstructing dt from dt_tz in this example:
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jsonify a SQLAlchemy result set in Flask [duplicate]
...at this question. It shows how to discover columns programmatically. So, from that I created the code below. It works for me, and I'll be using it in my web app. Happy coding!
def to_json(inst, cls):
"""
Jsonify the sql alchemy query result.
"""
convert = dict()
# add your ...
What is the difference between a static and a non-static initialization code block
...ately after the invocation of the super constructor.
If you remove static from int a, it becomes an instance variable, which you are not able to access from the static initializer block. This will fail to compile with the error "non-static variable a cannot be referenced from a static context".
If...
Really killing a process in Windows
... you could do to make the process go away.
Have a look at this blog-entry from wayback when: http://blogs.technet.com/markrussinovich/archive/2005/08/17/unkillable-processes.aspx
Unix based systems like Linux also have that problem where processes could survive a kill -9 if they are in what's know...
Access properties file programmatically with Spring?
We use the code below to inject Spring beans with properties from a properties file.
15 Answers
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Calling startActivity() from outside of an Activity context
...her
cache the Context object via constructor in your adapter, or
get it from your view.
Or as a last resort,
add - FLAG_ACTIVITY_NEW_TASK flag to your intent:
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myIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
Edit - i would avoid setting flags as it will interfere with normal flow of ...