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Segmentation fault on large array sizes
...he from any other compilation unit. To make sure this doesn't happen by accident, add a static storage specifier, otherwise just use the heap.
This will allocate in the BSS segment, which is a part of the heap:
static int c[1000000];
int main()
{
cout << "done\n";
return 0;
}
This wi...
#include in .h or .c / .cpp?
...han once per .c or .cpp file. Each .c or .cpp file is generally build individually though, which means a .h will be re-parsed for each .c or .cpp file you compile.
– Brendan Long
Feb 9 '14 at 0:29
...
Should you commit .gitignore into the Git repos?
...t and instead put them in a global excludes file.
By default this file resides in $XDG_CONFIG_HOME/git/ignore (defaults to ~/.config/git/ignore), but this location can be changed by setting the core.excludesfile option. For example:
git config --global core.excludesfile ~/.gitignore
Simply creat...
How to change line-ending settings
...
input is the 3rd option (as stated in the link I provided). The 3 options are true | false | input
– CodingWithSpike
May 2 '12 at 18:15
2
...
Heroku Postgres - terminate hung query (idle in transaction)
...s a general Postgres answer, and not specific to heroku
(The simple-stupid answer to this question may be ... just restart postgresql. Assuming that's not desirable or not an option ...)
Find the PID by running this sql:
SELECT pid , query, * from pg_stat_activity
WHERE state != 'idle' ORDER...
Set Colorbar Range in matplotlib
..., 1024)
x = np.arange(0, 10, .1)
y = np.arange(0, 10, .1)
X, Y = np.meshgrid(x,y)
data = 2*( np.sin(X) + np.sin(3*Y) )
def do_plot(n, f, title):
#plt.clf()
plt.subplot(1, 3, n)
plt.pcolor(X, Y, f(data), cmap=cm, vmin=-4, vmax=4)
plt.title(title)
plt.colorbar()
plt.figure()
do...
show all tags in git log
...ctly pointed out in the comment:
Make sure you study this thread, as overriding a signed tag is not as easy:
if you already pushed a tag, the git tag man page seriously advised against a simple git tag -f B to replace a tag name "A"
don't try to recreate a signed tag with git tag -f (see the thre...
CSS3 :unchecked pseudo-class
...orresponding :unchecked pseudo. Browser support for :not() and :checked is identical, so that shouldn't be a problem.
This may seem inconsistent with the :enabled and :disabled states, especially since an element can be neither enabled nor disabled (i.e. the semantics completely do not apply), howe...
How to customize a requirements.txt for multiple environments?
...s and use the "-r" flag to tell pip to include the contents of one file inside another. You can break out your requirements into a modular folder hierarchy like this:
`-- django_project_root
|-- requirements
| |-- common.txt
| |-- dev.txt
| `-- prod.txt
`-- requirements.txt
The files' conte...
Sort Go map values by keys
...This is because it used to be predictable, and the Go language developers didn't want people relying on unspecified behavior, so they intentionally randomized it so that relying on this behavior was impossible.
What you'll have to do, then, is pull the keys into a slice, sort them, and then range o...