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How to extract the n-th elements from a list of tuples?
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and use **dict to create keyword arguments: def test(foo=3, bar=3): return foo*bar then d = {'bar': 9, 'foo'=12}; print test(**d)
– Wayne Werner
Jul 22 '10 at 12:58
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Django queries - id vs pk
...s preferable. See the documentation of built-in functionid in the Python standard library. (It is the same in Python 2.)
– Lutz Prechelt
Mar 23 '16 at 8:17
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How can I get the list of files in a directory using C or C++?
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In small and simple tasks I do not use boost, I use dirent.h which is also available for windows:
DIR *dir;
struct dirent *ent;
if ((dir = opendir ("c:\\src\\")) != NULL) {
/* print all the files and directories within directory */...
Get local IP address
... internet there are several places that show you how to get an IP address. And a lot of them look like this example:
25 Ans...
ASP.NET MVC RequireHttps in Production Only
... forced to write the function declaration twice - once with the attribute, and once without. It does work, though, if you don't mind the ugliness.
#If Not Debug Then
<RequireHttps()> _
Function SomeAction() As ActionResult
#Else
Function SomeAction() As ActionResult
#End If
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iPhone Data Usage Tracking/Monitoring
...istics for each network interface.
In general en0 is your Wi-Fi interface and pdp_ip0 is your WWAN interface.
There is no good way to get information wifi/cellular network data since, particular date-time!
Data statistic (ifa_data->ifi_obytes and ifa_data->ifi_ibytes) are stored from prev...
Why does the MongoDB Java driver use a random number generator in a conditional?
...he following code in this commit for MongoDB's Java Connection driver , and it appears at first to be a joke of some sort. What does the following code do?
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Is there a way to make npm install (the command) to work behind proxy?
...t does not work. Trying to avoid manually downloading all require packages and installing.
29 Answers
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Are there any standard exit status codes in Linux?
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8 bits of the return code and 8 bits of the number of the killing signal are mixed into a single value on the return from wait(2) & co..
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/wait.h>
#...
How to check if a file exists in Documents folder?
... if it was a main application you'll have access to the entire file system and you'll use the shared Documents directory. If you install it via iTunes or XCode you'll be using your applications' personal directory. It's nice to store files in your local directory for backup purposes.
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