大约有 43,000 项符合查询结果（耗时：0.0503秒） [XML]
How can I detect if a file is binary (non-text) in python?
...))
Example:
>>> is_binary_string(open('/usr/bin/python', 'rb').read(1024))
True
>>> is_binary_string(open('/usr/bin/dh_python3', 'rb').read(1024))
False
share
|
improve this an...
How can I improve my paw detection?
...
If you're just wanting (semi) contiguous regions, there's already an easy implementation in Python: SciPy's ndimage.morphology module. This is a fairly common image morphology operation.
Basically, you have 5 steps:
def find_paws(data, smooth_radius=5, threshold=0.0001):
dat...
Nested using statements in C#
...n opening brace { after the last using statement, like this:
using (StreamReader outFile = new StreamReader(outputFile.OpenRead()))
using (StreamReader expFile = new StreamReader(expectedFile.OpenRead()))
{
///...
}
s...
MongoDB vs. Cassandra [closed]
...
Lots of reads in every query, fewer regular writes
Both databases perform well on reads where the hot data set fits in memory. Both also emphasize join-less data models (and encourage denormalization instead), and both provide inde...
Linear Layout and weight in Android
I always read about this funny weight value in the Android documentations.
Now I want to try it for the first time but it isn't working at all.
...
Getting RAW Soap Data from a Web Reference Client running in ASP.net
...wn.
public class SoapLoggerExtension : SoapExtension
{
private static readonly ILog log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private Stream oldStream;
private Stream newStream;
public override object GetInitializer(LogicalMethodInfo methodInfo, SoapE...
How do I analyze a .hprof file?
...ift thru a 400mb+ heap dump file, and it took jhat more than 70 minutes to read the file, before it caused a complete JVM crash. EMA is able to open it up in < 5 minutes.
– matt b
Jun 18 '09 at 18:37
...
MySQL load NULL values from CSV data
...
This will do what you want. It reads the fourth field into a local variable, and then sets the actual field value to NULL, if the local variable ends up containing an empty string:
LOAD DATA INFILE '/tmp/testdata.txt'
INTO TABLE moo
FIELDS TERMINATED BY "...
Difference between “!==” and “==!” [closed]
... I don't even program in PHP and even I realized that "==!" would be read as the 2 operators "==" and "!". It just shows how much effect a little bit of layout can have on how you read something.
– StarNamer
Sep 7 '12 at 17:47
...
Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
...
@Shuzheng Please read the sentence carefully. It says neither what you or Kaz think it says. For example, perl on Windows does not care one iota that there is no /usr/bin/perl, but will pay attention to the options passed to it.
...