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Can't find the 'libpq-fe.h header when trying to install pg gem
... For me after run brew install postgressql i run ARCHFLAGS="-arch x86_64" gem install pg and works fine.
– overallduka
Oct 31 '14 at 17:05
5
...
How to deal with SettingWithCopyWarning in Pandas?
...ers. For example,
df[df.A > 5]['B']
1 3
2 6
Name: B, dtype: int64
And,
df.loc[df.A > 5, 'B']
1 3
2 6
Name: B, dtype: int64
These return the same result, so if you are only reading these values, it makes no difference. So, what is the issue? The problem with chained assignm...
Where can I locate themes for VS2012
..., and restarted. Doesn't work, at least not for me (RTM version Windows 8 x64). Maybe one needs to restart windows (logoff and logon didn't help).
– Stefan Steiger
Dec 25 '12 at 11:02
...
Best way to store JSON in an HTML attribute?
...
Another option is to base64 encode the JSON string and if you need to use it in your javascript decode it with the atob() function.
var data = JSON.parse(atob(base64EncodedJSON));
...
Convert bytes to a string
...
64
Using "windows-1252" is not reliable either (e.g., for other language versions of Windows), wouldn't it be best to use sys.stdout.encoding?...
Fill SVG path element with a background-image
...
very nice, does this work with base64 images too? instead of wall.jpg something like data:image/png;base64,iVBORw0KGgoAA like you would in normal CSS?
– Christoph
May 10 '12 at 13:55
...
How do I get the localhost name in PowerShell?
...
64
Don't forget that all your old console utilities work just fine in PowerShell:
PS> hostname...
Compile time string hashing
..., 0xee0e612cL, 0x990951baL, 0x076dc419L,
0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
...
};
template<size_t idx>
constexpr uint32_t crc32(const char * str)
{
return (crc32<idx-1>(str) >&g...
How efficient is locking an unlocked mutex? What is the cost of a mutex?
...is:
This shows the result of benchmark runs on the following code:
uint64_t do_Ndec(int thread, int loop_count)
{
uint64_t start;
uint64_t end;
int __d0;
asm volatile ("rdtsc\n\tshl $32, %%rdx\n\tor %%rdx, %0" : "=a" (start) : : "%rdx");
mutex.lock();
mutex.unlock();
asm volatile ...
How can I randomize the lines in a file using standard tools on Red Hat Linux?
...
64
And a Perl one-liner you get!
perl -MList::Util -e 'print List::Util::shuffle <>'
It u...