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Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
...d, static array of characters,
and this unnamed array may be stored
in read-only memory, and which
therefore cannot necessarily be
modified. In an expression context,
the array is converted at once to a
pointer, as usual (see section 6), so
the second declaration initializes p
to poi...
socket.shutdown vs socket.close
...and the socket is not deallocated.
On the other hand calling shutdown for reading and writing closes the underlying connection and sends a FIN / EOF to the peer regardless of how many processes have handles to the socket. However, it does not deallocate the socket and you still need to call close ...
How to write a multidimensional array to a text file?
...
If you want to write it to disk so that it will be easy to read back in as a numpy array, look into numpy.save. Pickling it will work fine, as well, but it's less efficient for large arrays (which yours isn't, so either is perfectly fine).
If you want it to be human readable, look i...
How to configure MongoDB Java driver MongoOptions for production use?
...astructure isn't capable of high throughput.
maxWaitTime. Number of ms a thread will wait for a connection to become available on the connection pool, and raises an exception if this does not happen in time. Keep default.
socketTimeout. Standard socket timeout value. Set to 60 seconds (60000).
threa...
Difference between Role and GrantedAuthority in Spring Security
...The admin role with id ROLE_ADMIN has the operations OP_DELETE_ACCOUNT, OP_READ_ACCOUNT, OP_RUN_BATCH_JOB assigned to it.
The user role with id ROLE_USER has the operation OP_READ_ACCOUNT.
If an admin logs in the resulting security context will have the GrantedAuthorities:
ROLE_ADMIN, OP_DELETE_AC...
nodeJs callbacks simple example
can any one give me a a simple example of nodeJs callbacks, I have already searched for the same on many websites but not able to understand it properly, Please give me a simple example.
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Why is it considered a bad practice to omit curly braces? [closed]
...ecause (especially in deep nesting -- ugh) the statement can be easily overread and confusion may ensue. I almost exclusively use such single-statement ifs for input validation (i.e. early returns) or loop control (e.g. ignoring irrelevant file names in filesystem walks), though, where blank lines h...
UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
...
I switched this simply by defining a different codec package in the read_csv() command:
encoding = 'unicode_escape'
Eg:
import pandas as pd
data = pd.read_csv(filename, encoding= 'unicode_escape')
share
|...
Correct way to pause Python program
...the time module but what if I have a long block of text I want the user to read?
– RandomPhobia
Jul 19 '12 at 0:34
7
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Open files in 'rt' and 'wt' modes
Several times here on SO I've seen people using rt and wt modes for reading and writing files.
4 Answers
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