大约有 5,100 项符合查询结果（耗时：0.0221秒） [XML]
Why can't I inherit static classes?
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@KonradMorawski It's impossible to write extension methods for static classes. stackoverflow.com/questions/249222/…
– Martin Braun
Jul 16 '14 at 10:19
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Creating PHP class instance with a string
...$method();
//prints "Banana"
Using Reflection instead of just using the raw string to create an object gives you better control over your object and easier testability (PHPUnit relies heavily on Reflection)
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How to write DataFrame to postgres table?
...gine, if_exists='replace',index=False) #truncates the table
conn = engine.raw_connection()
cur = conn.cursor()
output = io.StringIO()
df.to_csv(output, sep='\t', header=False, index=False)
output.seek(0)
contents = output.getvalue()
cur.copy_from(output, 'table_name', null="") # null values become ...
How to create duplicate allowed attributes
..., it only supports one attribute instance (per attribute type) per member; raw reflection supports any number...
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Java multiline string
... old thread, but a new quite elegant solution (with only 4 maybe 3 little drawbacks) is to use a custom annotation.
Check : http://www.adrianwalker.org/2011/12/java-multiline-string.html
A project inspired from that work is hosted on GitHub:
https://github.com/benelog/multiline
Example of Java...
How to make Sequelize use singular table names
...ING,
}, {
hooks: {
beforeCount (options) {
options.raw = true;
}
},
tableName: 'people',
name: {
singular: 'person',
plural: 'people'
}
});
this will return "person" as an object when a single record is being queried and "people" as an...
Suppress/ print without b' prefix for bytes in Python 3
...if the data is not already UTF-8 compatible. E.g. when the data are actual raw bytes.
from binascii import hexlify
from codecs import encode # alternative
>>> print(hexlify(b"\x13\x37"))
b'1337'
>>> print(str(hexlify(b"\x13\x37"), "utf-8"))
1337
>>>> print(str(encode(...
Haskell, Lisp, and verbosity [closed]
...ping
powerful object system with meta-object protocol
mature standard
wide range of compilers
Haskell does have its own merits of course and does some things in a fundamentally different way, but it just doesn't cut it in the long term for me.
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How do I convert a Java 8 IntStream to a List?
...clipse Collections and avoid boxing.
MutableIntList list =
IntStream.range(1, 5)
.collect(IntArrayList::new, MutableIntList::add, MutableIntList::addAll);
Note: I am a contributor to Eclipse Collections.
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Sharing a result queue among several processes
...y_foo(i):
"""Dummy function simulating cpu-bound work."""
for _ in range(int(10e6)): # do stuff
pass
return i
if __name__ == '__main__':
with Pool(4) as pool:
print(pool._outqueue) # DEMO
results = [pool.apply_async(busy_foo, (i,)) for i in range(10)]
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