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Downloading a picture via urllib and python
...
f.write(urllib.urlopen('http://www.gunnerkrigg.com//comics/00000001.jpg').read())
f.close()
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获取文件系统映像及恢复删除的数据（FAT文件系统格式描述） - C/C++ - 清泛...
... , MAX_PATH);
dumpPath.append(index);
//opening mass storage for reading
//requires administrator privilege
HANDLE hDump( ::Create File (
dumpPath.c_str(),
GENERIC_READ,
FILE _SHARE_READ | FILE _SHARE_WRITE,
NULL,
OPEN_EXISTING,
...
What Process is using all of my disk IO
...omparing the output to a healthy/stable system lxadm.com/Simple_filesystem_read/write_tracing_with_/proc/sys/… It helped find a docker container that was continuously spawning kubectl requests, exhausting an EBS volume's burst credits with entries in /home/spinnaker/.kube/cache/discovery/.../serve...
What is the difference between varchar and nvarchar?
...ther than varchar, you can avoid doing encoding conversions every time you read from or write to the database. Conversions take time, and are prone to errors. And recovery from conversion errors is a non-trivial problem.
If you are interfacing with an application that uses only ASCII, I would still...
Why is good UI design so hard for some Developers? [closed]
...ere they are not experts, they expect the experts of other areas to have already thought about normal people who use their products or services.
What can you do to remedy it? The more hardcore you are as a programmer, the less open you will be to normal user thinking. It will be alien and clueless...
Workflow for statistical analysis and report writing
... care of loading in all the data required. Typically this is a short file, reading in data from files, URLs and/or ODBC. Depending on the project at this point I'll either write out the workspace using save() or just keep things in memory for the next step.
clean.R: This is where all the ugly stuff...
Switch statement: must default be the last case?
...Labeled statements. Especially interesting is 6.8.1.4, which enables the already mentioned Duff's Device:
Any statement may be preceded by a
prefix that declares an identifier as
a label name. Labels in themselves do
not alter the flow of control, which
continues unimpeded across them.
...
How can I detect the encoding/codepage of a text file
...n, we receive text files ( .txt , .csv , etc.) from diverse sources. When reading, these files sometimes contain garbage, because the files where created in a different/unknown codepage.
...
Don't understand why UnboundLocalError occurs (closure) [duplicate]
...er local to increment(). Trying to execute this line, though, will try to read the value of the local variable counter before it is assigned, resulting in an UnboundLocalError.[2]
If counter is a global variable, the global keyword will help. If increment() is a local function and counter a local...
Get a list of resources from classpath directory
... InputStream in = getResourceAsStream(path);
BufferedReader br = new BufferedReader(new InputStreamReader(in)))
String resource;
while ((resource = br.readLine()) != null) {
filenames.add(resource);
}
}
return filenames;
}
private ...