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Total memory used by Python process?
...us operating systems, including Linux, Windows 7, etc.:
import os
import psutil
process = psutil.Process(os.getpid())
print(process.memory_info().rss) # in bytes
On my current Python 2.7 install with psutil 5.6.3, the last line should be
print(process.memory_info()[0])
instead (there was a...
Passing references to pointers in C++
...er
}
int main()
// sometime later
{
// ...
string s;
string* ps = &s;
myfunc( ps); // OK because ps is not a temporary
myfunc2( &s); // OK because the parameter is a const&
// ...
return 0;
}
...
Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory”
...ional MB, all in order to then exec a puny 10kB executable such as free or ps. In the case of an unfavourable overcommit policy, you'll soon see ENOMEM.
Alternatives to fork that do not have this parent page tables etc. copy problem are vfork and posix_spawn. But if you do not feel like rewriting...
How to get the current directory of the cmdlet being executed
...th mixed success. For instance, when I execute C:\temp\myscripts\mycmdlet.ps1 which has a settings file at C:\temp\myscripts\settings.xml I would like to be able to store C:\temp\myscripts in a variable within mycmdlet.ps1 .
...
How to delete all the rows in a table using Eloquent?
...rom my model using the whereIn method: $itemsAllContentIDs = Item::where('user_id', $userId)->pluck('item_content_id')->all(); ItemsContent::whereIn('id', $itemsAllContentIDs)->delete();
– Keith DC
Nov 3 '16 at 7:24
...
Run a Docker image as a container
... So the human-friendly names printed under 'NAME' in docker ps -a is not useful here?
– ThorSummoner
Aug 23 '15 at 4:19
...
RESTful call in Java
...rnal libraries, you can use java.net.HttpURLConnection or javax.net.ssl.HttpsURLConnection (for SSL), but that is call encapsulated in a Factory type pattern in java.net.URLConnection.
To receive the result, you will have to connection.getInputStream() which returns you an InputStream. You will then...
Why can I add named properties to an array as if it were an object?
... \n\n"+
ra.length +"\t and my length! \n\n"+
ob.toSource());
ps=""; for(i in ra)ps+=i+" "; alert(ps); /* NB .length is missing! */
ps=""; for(i in ob)ps+=i+" "; alert(ps);
displaying
one,two,three
[object Object]
["one", "two", "three"]
4 .toSource() forgot me!
3 and ...
error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Miss
...east preferred):
Find the process id of mysql with either pgrep mysql or ps aux | grep mysql | grep -v grep
Assuming the process id is 4969 terminate with kill -9 4969
After you do this you might want to look for a pid file in /var/run/mysqld/ and delete it
Make sure the permissions on your s...
Ordering by the order of values in a SQL IN() clause
...
Ans to get sorted data.
SELECT ...
FROM ...
ORDER BY FIELD(user_id,5,3,2,...,50) LIMIT 10
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