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Dynamically set local variable [duplicate]
... it to work.
>>> def foo():
lcl = locals()
lcl['xyz'] = 42
print(xyz)
>>> foo()
Traceback (most recent call last):
File "<pyshell#6>", line 1, in <module>
foo()
File "<pyshell#5>", line 4, in foo
print(xyz)
NameError: global name 'xyz' ...
How to pass parameters correctly?
...NCERNING THE REST OF YOUR POST:
If i rewrite it as [...] there will be 2 moves and no copy.
This is not correct. To begin with, an rvalue reference cannot bind to an lvalue, so this will only compile when you are passing an rvalue of type CreditCard to your constructor. For instance:
// Here ...
error: ‘NULL’ was not declared in this scope
...
answered Jan 20 '09 at 17:14
Johannes Schaub - litbJohannes Schaub - litb
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Case preserving substitute in Vim
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121
Use abolish.vim:
:%S/badjob/goodjob/g
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libxml/tree.h no such file or directory
...
22 Answers
22
Active
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Is the NOLOCK (Sql Server hint) bad practice?
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12 Answers
12
Active
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MySQL: ignore errors when importing?
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293
Use the --force (-f) flag on your mysql import. Rather than stopping on the offending stateme...
Connecting overloaded signals and slots in Qt 5
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247
The problem here is that there are two signals with that name: QSpinBox::valueChanged(int) a...
Passing a Bundle on startActivity()?
...s);
Bundle extras = mIntent.getExtras();
extras.putString(key, value);
2) Create a new Bundle
Intent mIntent = new Intent(this, Example.class);
Bundle mBundle = new Bundle();
mBundle.putString(key, value);
mIntent.putExtras(mBundle);
3) Use the putExtra() shortcut method of the Intent
Intent...