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How to download image using requests
..., 'wb') as f:
for chunk in r:
f.write(chunk)
This'll read the data in 128 byte chunks; if you feel another chunk size works better, use the Response.iter_content() method with a custom chunk size:
r = requests.get(settings.STATICMAP_URL.format(**data), stream=True)
if r.status...
Multiple github accounts on the same computer?
...hout summarising the critical steps in your actual post. This answer has already suffered from link rot once, but hasn't made the necessary update tob provide an actual answer to the question.
– Thank you
Mar 24 '17 at 18:54
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Java ArrayList replace at specific index
...se it. ;). In SO, answer should be always according to question, so please read the question first. And what is the problem if it returns the previous value, if you want that value then you can use else leave it. It is replacing the old value and that is it.
– Android Killer
...
Does Foreign Key improve query performance?
... performance
Foreign key constraint improve performance at the time of reading
data but at the same time it slows down the performance at the time of
inserting / modifying / deleting data.
In case of reading the query, the optimizer can use foreign key constraints to
create more effi...
How to jQuery clone() and change id?
... ID starts with ^= "klon"
var $div = $('div[id^="klon"]:last');
// Read the Number from that DIV's ID (i.e: 3 from "klon3")
// And increment that number by 1
var num = parseInt( $div.prop("id").match(/\d+/g), 10 ) +1;
// Clone it and assign the new ID (i.e: from num 4 to ID "klon4...
What are good uses for Python3's “Function Annotations”
... Java. For instance, you could define semantics like state restrictions, threads that are allowed to access, architecture limitations, etc., and there are quite a few tools that can then read these and process them to provide assurances beyond what you get from the compilers. You could even write th...
How are virtual functions and vtable implemented?
...class)
This one's a little trickier, since the vtbl itself is probably in read-only memory.
int f3(A*) { return 0; }
mprotect(*(void **)x,8,PROT_READ|PROT_WRITE|PROT_EXEC);
// Or VirtualProtect on win32; this part's very OS-specific
(*(int (***)(A *)x)[0] = f3;
// Now C::f1() returns 0 (remember ...
Solutions for INSERT OR UPDATE on SQL Server
...good, but simple (IF EXISTS..) approach is very dangerous.
When multiple threads will try to perform Insert-or-update you can easily
get primary key violation.
Solutions provided by @Beau Crawford & @Esteban show general idea but error-prone.
To avoid deadlocks and PK violations you can use s...
Selecting data from two different servers in SQL Server
...s the enterprise.
The ability to address diverse data sources similarly.
Read more about Linked Servers.
Follow these steps to create a Linked Server:
Server Objects -> Linked Servers -> New Linked Server
Provide Remote Server Name.
Select Remote Server Type (SQL Server or Other).
Select ...
What's the magic of “-” (a dash) in command-line parameters?
...
It's not magic. Some commands interpret - as the user wanting to read from stdin or write to stdout; there is nothing special about it to the shell.
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