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How can I do a line break (line continuation) in Python?
... so backslashes are acceptable:
with open('/path/to/some/file/you/want/to/read') as file_1, \
open('/path/to/some/file/being/written', 'w') as file_2:
file_2.write(file_1.read())
Another such case is with assert statements.
Make sure to indent the continued line appropriately...
How can you find and replace text in a file using the Windows command-line environment?
... line arg for powershell.exe containing the command to run
(gc myFile.txt) reads the content of myFile.txt (gc is short for the Get-Content command)
-replace 'foo', 'bar' simply runs the replace command to replace foo with bar
| Out-File myFile.txt pipes the output to the file myFile.txt
-encoding A...
When to use references vs. pointers
... until you can't.
The reason is that pointers make things harder to follow/read, less safe and far more dangerous manipulations than any other constructs.
So the rule of thumb is to use pointers only if there is no other choice.
For example, returning a pointer to an object is a valid option when th...
What should I name a table that maps two tables together? [closed]
...at represents a many-to-many relationship makes the relationship easier to read and understand. Sometimes finding a great name is not trivial but usually it is worth to spend some time thinking about.
An example: Reader and Newspaper.
A Newspaper has many Readers and a Reader has many Newspapers
...
What's causing my java.net.SocketException: Connection reset? [duplicate]
...nt, or rather the server closed the connection, you would just get -1 from read(), and an EOFException. When I get home I plan on confirming this either way.
– Zombies
Apr 22 '10 at 15:39
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Deleting multiple elements from a list
... be shifted forward multiple times. (b) At least for me, it's difficult to read, because there is a sort function that doesn't correspond to any actual program logic, and exists solely for technical reasons. Even though by now I already understand the logic thoroughly, I still feel it would be diffi...
What is the difference between a function expression vs declaration in JavaScript? [duplicate]
...ressions as then the behavior is more intuitive than with declarations. It reads better as it follows a logical flow, You define it and then call it, if you don't you get an error, which is the expected behavior. Actually I think function declarations are not allowed in non function scopes...I recom...
Subprocess changing directory
...ss.PIPE, universal_newlines=True) # run our new command
out = p.stdout.read()
err = p.stderr.read()
# read our output
if out != "":
print(out)
os.chdir(out[0:len(out) - 1]) # if we did get a directory, go to there while ignoring the newline
if err != "":
...
is there a post render callback for Angular JS directive?
...u did.
(Please keep in mind that not everyone agrees with me - you should read the comments on the links above and see what you think.)
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difference between primary key and unique key
...ary key. This is to clarify the first point, as it might be take as it is (read one key => one column ) by new comer to sql : )
– ken
Apr 10 '14 at 13:53
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