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Scripting Language vs Programming Language [closed]
..., I'd call that "scripting;" if not, I wouldn't. So in that sense, browser-based JavaScript is "scripting" because even if engines like V8 compile it on-the-fly, the source is still delivered to the runtime environment. Similarly shells scripts. A traditional C program's source isn't delivered to th...
Adding placeholder text to textbox
...solution.
<Style x:Key="placeHolder" TargetType="{x:Type TextBox}" BasedOn="{StaticResource {x:Type TextBox}}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TextBox}">
<Grid>...
How can I use pickle to save a dict?
...", line 70, in _reduce_ex
raise TypeError, "can't pickle %s objects" % base.__name__
TypeError: can't pickle module objects
>>>
Even a really simple dict will often fail. It just depends on the contents.
>>> d = {'x': lambda x:x}
>>> pik = pickle.dumps(d)
Tracebac...
What are “connecting characters” in Java identifiers?
...er.CONNECTOR_PUNCTUATION.
Note that in Java, the character information is based on Unicode standard which identifies connecting characters by assigning them the general category Pc, which is an alias for Connector_Punctuation.
The following code snippet,
for (int i = Character.MIN_CODE_POINT; i &...
Django select only rows with duplicate field values
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Catching an exception while using a Python 'with' statement
...'oops')
And standard boilerplate: don't use a bare except: which catches BaseException and every other possible exception and warning. Be at least as specific as Exception, and for this error, perhaps catch IOError. Only catch errors you're prepared to handle.
So in this case, you'd do:
>>...
Creating Threads in python
...he run() method? If you overrided __init__, did you make sure to call the base threading.Thread.__init__()?
After starting the two threads, does the main thread continue to do work indefinitely/block/join on the child threads so that main thread execution does not end before the child threads comp...
How to execute a Python script from the Django shell?
...command you want to execute from ./manage.py)
from django.core.management.base import BaseCommand
class Command(BaseCommand):
def handle(self, **options):
# now do the things that you want with your models here
...
What's a good way to extend Error in JavaScript?
... HTMLELement, Array, and others
an object of The class which is extends by base type like Array,Number,Object,String or Error is not instanceof this class
What about the other SO answers?
All the given answers fix the instanceof issue but you lose the regular error console.log:
console.log(new C...
The apk must be signed with the same certificates as the previous version
...t have conflicting content providers.
You will lose your existing install base, reviews etc., and will have to find a way to get your existing customers to uninstall the old app and install the new version.
Again, ensure you have secure backups of the keystore and password(s) you use for this vers...