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Is there a way to instantiate objects from a string holding their class name?
... you can do
return map[some_string]();
Getting a new instance. Another idea is to have the types register themself:
// in base.hpp:
template<typename T> Base * createT() { return new T; }
struct BaseFactory {
typedef std::map<std::string, Base*(*)()> map_type;
static Base ...
How to suppress GCC warnings from library headers?
...written by myself, which depends on 3.) some external libraries. I have no idea how to only get warnings for 1&2. You have any ideas?
– knedlsepp
Oct 11 '16 at 11:53
2
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AttributeError: 'module' object has no attribute
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You have mutual top-level imports, which is almost always a bad idea.
If you really must have mutual imports in Python, the way to do it is to import them within a function:
# In b.py:
def cause_a_to_do_something():
import a
a.do_something()
Now a.py can safely do import b wit...
Disable autocomplete via CSS
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Nice idea, but it does not prevent credit card numbers from being saved into the unencrypted autocomplete database.
– Hans-Peter Störr
Jun 25 '12 at 14:03
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Split data frame string column into multiple columns
... today as well.. but it was adding a 'c' at the beginning of each row. Any idea why is that??? left_right <- str_split_fixed(as.character(split_df),'\">',2)
– LearneR
Jul 28 '15 at 6:53
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What is JavaScript garbage collection?
...o avoiding it sometimes - it is always beneficial to have at least a rough idea of how garbage collection works.
Historical note: an earlier revision of the answer had an incorrect reference to the delete operator. In JavaScript the delete operator removes a property from an object, and is wholly d...
How to handle a lost KeyStore password in Android?
...nsole utility and scrolled down to ~/Library/Logs -> AndroidStudio ->idea.log.1 (or any old log number)
Then I searched for "keystore" and it should appear somewhere in the logs.
Original question: link
share
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Execute another jar in a Java program
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I think the idea is that given access to a jar, how do you add it to the classpath in order to load classes out of it.
– Jherico
Aug 24 '09 at 4:35
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Eclipse - debugger doesn't stop at breakpoint
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Thanks... no idea when that got clicked
– njfife
Jul 28 '14 at 21:47
1
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Rename a file using Java
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No idea, but it's the exact same thing that Pierre posted, without the source code...
– Thomas Owens
Jul 21 '09 at 12:12
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