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The role of #ifdef and #ifndef
In this what is the role of #ifdef and #ifndef , and what's the output?
4 Answers
4...
Proper way to use **kwargs in Python
... I like to use positional arguments only for required arguments, and kwargs for arguments that may or may not be specified, but it is helpful to have a default value. kwargs is nice because you can submit your args in any order you choose. Positional arguments don't give you that freedom...
jQuery AJAX submit form
I have a form with name orderproductForm and an undefined number of inputs.
20 Answers
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Declare a const array
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@Anton, have you and your "followers" removed downvote? To me static is not required to make it working, it just add possibility to reference Titles without having instance, but remove possibility to change value for different instances (e.g....
How can I add the new “Floating Action Button” between two widgets/layouts
I guess you have seen the new Android design guidelines, with the new "Floating Action Button" a.k.a "FAB"
10 Answers
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Replace all 0 values to NA
...ays in ?'NULL',
NULL represents the null object in R
which is unique and, I guess, can be seen as the most uninformative and empty object.1 Then it becomes not so surprising that
data.frame(x = c(1, NULL, 2))
# x
# 1 1
# 2 2
That is, R does not reserve any space for this null object.2 Mea...
C++ Dynamic Shared Library on Linux
...ain(int argc, char **argv)
{
/* on Linux, use "./myclass.so" */
void* handle = dlopen("myclass.so", RTLD_LAZY);
MyClass* (*create)();
void (*destroy)(MyClass*);
create = (MyClass* (*)())dlsym(handle, "create_object");
destroy = (void (*)(MyClass*))dlsym(handle, "destroy_object");
My...
UIButton won't go to Aspect Fit in iPhone
I have a couple UIButtons, and in IB they're set to Aspect Fit, but for some reason they're always stretching. Is there something else you have to set? I tried all the different view modes and none of them work, they all stretch.
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Django Rest Framework File Upload
I am using Django Rest Framework and AngularJs to upload a file. My view file looks like this:
15 Answers
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Integrating the ZXing library directly into my Android application
I'm writing this in mere desperation :) I've been assigned to make a standalone barcode scanner (as a proof of concept) to an Android 1.6 phone.
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