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Why is the use of tuples in C++ not more common?
... but I often see lots of places where tuples would solve many problems (usually returning multiple values from functions).
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Node.js EACCES error when listening on most ports
...'m testing out an app (hopefully to run on heroku, but am having issues locally as well). It's giving me an EACCES error when it runs http.Server.listen() - but it only occurs on some ports.
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How do I filter ForeignKey choices in a Django ModelForm?
... can populate the validation data by making using the super(...).__init__ call in your overridden method. If you are making several of these queryset changes its a lot more elegant to package them by overriding the init method.
– michael
Aug 7 '09 at 4:53
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Combine the first two commits of a Git repository?
...nitial commit. git commits are whole trees, not diffs even if they are normally described and viewed in terms of the diff that they introduce.
This recipe works even if there are multiple commits between A and B, and B and C.
# Go back to the last commit that we want
# to form the initial commit (...
Need to ZIP an entire directory using Node.js
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How do I include all files and directories, recursively (also the hidden files/directories)?
– Ionică Bizău
Jan 12 '15 at 10:21
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How to list files in a directory in a C program?
...le for POSIX compliant systems :
/*
* This program displays the names of all files in the current directory.
*/
#include <dirent.h>
#include <stdio.h>
int main(void) {
DIR *d;
struct dirent *dir;
d = opendir(".");
if (d) {
while ((dir = readdir(d)) != NULL) {
pri...
How to stage only part of a new file with git?
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Whoa, all that update-index and hash-object business seems overly complicated. How about this instead:
git add -N new_file
git add -i
From git help add:
-N, --intent-to-add
Record only the fact that the path will be added ...
How to get the list of properties of a class?
How do I get a list of all the properties of a class?
10 Answers
10
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How to get a list of installed android applications and pick one to run
...his earlier this week but I'm still not understanding how to get a list of all installed applications and then pick one to run.
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How do you convert a byte array to a hexadecimal string, and vice versa?
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You're using SubString. Doesn't this loop allocate a horrible amount of string objects?
– Wim Coenen
Mar 6 '09 at 16:36
30
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