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How to throw an exception in C?
...t) (void *) );
extern void * _ZTIl; // typeinfo of long
int bar1()
{
int64_t * p = (int64_t*)__cxa_allocate_exception(8);
*p = 1976;
__cxa_throw(p,&_ZTIl,0);
return 10;
}
// end bar.c
in a.cc,
#include <stdint.h>
#include <cstdio>
extern "C" int bar1();
void foo()
{
t...
How to make good reproducible pandas examples
... cs95
231k6060 gold badges390390 silver badges456456 bronze badges
answered Jul 19 '16 at 18:35
piRSquaredpiRSquared
220k3232 ...
How to simulate target=“_blank” in JavaScript
...fit your exact use-case, but here's how I scratched my own itch.
Here's a demo of it in action for you to mess with.
(The link in jsfiddle comes back to this discussion .. no need a new tab :))
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...
Android emulator and virtualbox cannot run at same time
...run with CPU/ABI x86/x86_64 is a lot faster, but uses the same KVM (Kernel-based Virtual Machine) as VitualBox. Creating an emulator with another CPU, like arm64, will not conflict with VirtualBox, but emulator is a lot slower.
– jayeffkay
Jan 18 '17 at 13:24
...
Convert to binary and keep leading zeros in Python
...mat(bin(num)[2:])
Demo:
print binary(1)
Output:
'0b00000001'
EDIT:
based on @Martijn Pieters idea
def binary(num, length=8):
return format(num, '#0{}b'.format(length + 2))
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impr...
user authentication libraries for node.js?
...ucceeds or fails.
For example, here is the two-step process to setup form-based (username and password) authentication:
passport.use(new LocalStrategy(
function(username, password, done) {
// Find the user from your DB (MongoDB, CouchDB, other...)
User.findOne({ username: username, passw...
clang error: unknown argument: '-mno-fused-madd' (python package installation failure)
.../2.7/include/python2.7 -fno-strict-aliasing -fno-common -dynamic -arch x86_64 -arch i386 -g -Os -pipe -fno-common -fno-strict-aliasing -fwrapv -mno-fused-madd -DENABLE_DTRACE -DMACOSX -DNDEBUG -Wall -Wstrict-prototypes -Wshorten-64-to-32 -DNDEBUG -g -fwrapv -Os -Wall -Wstrict-prototypes -DENABLE_DTR...
How do I display an alert dialog on Android?
...
The Dialog class is the base class for dialogs, but you should avoid instantiating Dialog directly. Instead, use one of the following subclasses: AlertDialog, DatePickerDialog or TimePickerDialog (from developer.android.com/guide/topics/ui/dialogs....
Is inline assembly language slower than native C++ code?
... It's counter-intuitive until you really consider it. In the same way, VM based machines are starting to make runtime optimizations that compilers simply don't have the information to make.
– Bill K
Mar 7 '12 at 17:24
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How to obtain a Thread id in Python?
...
kraymerkraymer
2,64511 gold badge2020 silver badges2828 bronze badges
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