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Java synchronized method lock on object, or method?
...chronize on the whole object, so two thread accessing a different variable from this same object would block each other anyway.
If you want to synchronize only on one variable at a time, so two threads won't block each other while accessing different variables, you have synchronize on them separat...
How can I get the behavior of GNU's readlink -f on a Mac?
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If you are calling readlink from places other than bash, another solution would be remove /usr/bin/readlink then create a link to /usr/local/bin/greadlink.
– chinglun
Nov 12 '14 at 19:07
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How are echo and print different in PHP? [duplicate]
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From:
http://web.archive.org/web/20090221144611/http://faqts.com/knowledge_base/view.phtml/aid/1/fid/40
Speed. There is a difference between the two, but speed-wise it
should be irrelevant which one you use. echo is margi...
How do you create a daemon in Python?
...r SO questions) and is rather obscure (how to start/stop properly a daemon from command line with this module?), I modified Sander Marechal's code sample to add quit() method that gets executed before the daemon is stopped. Here it is.
– Basj
Nov 12 '16 at 10:3...
TortoiseHg Apply a Patch
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From Repository Explorer, Repository > Import...
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How do I pass a variable by reference?
...ay, struct, whatever), but you couldn't change the pointer that was copied from the outer scope - when you were done with the function, the original pointer still pointed to the same address. C++ introduced references, which behaved differently.
– Blair Conrad
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Large, persistent DataFrame in pandas
...., to an SQLite database step by step:
import pandas as pd
import sqlite3
from pandas.io import sql
import subprocess
# In and output file paths
in_csv = '../data/my_large.csv'
out_sqlite = '../data/my.sqlite'
table_name = 'my_table' # name for the SQLite database table
chunksize = 100000 # numbe...
Python: Continuing to next iteration in outer loop
...e), you can do one of the following
Refactor the loops you want to escape from into a function
def inner():
for j in ...:
for k in ...:
if something:
return
for i in ...:
inner()
The disadvantage is that you may need to pass to that new function some...
Java: Integer equals vs. ==
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Is the guarantee from the JLS or just for the Oracle JVM?
– Thorbjørn Ravn Andersen
Aug 12 '12 at 10:25
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CSS/HTML: What is the correct way to make text italic?
...sn't a generic "italics" element. Sometimes, text is intended to stand out from the rest of the paragraph, as if it was in a different mood or voice. For this, the i element is more appropriate.
– Dimitris Zorbas
Dec 7 '15 at 11:31
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