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How to select only 1 row from oracle sql?
...d, even if you never delete a row from the table! Even if it works for you now, it is never guaranteed to work in future versions.
– D. Mika
May 22 '17 at 8:10
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How to check if all elements of a list matches a condition?
...a generator expression where appropriate):
>>> [x for x in items if x[2] == 0]
[[1, 2, 0], [1, 2, 0]]
If you want to check at least one element is 0, the better option is to use any() which is more readable:
>>> any(flag == 0 for (_, _, flag) in items)
True
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Reverse a string in Python
... It works by doing [begin:end:step] - by leaving begin and end off and specifying a step of -1, it reverses a string.
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Unicode characters in URLs
... You can use the unencoded UTF-8 URLs, namely IRIs, in HTML5 documents by now. If you do that, all major browsers will understand it and display it correctly in their address bar.
– Oliver
Oct 23 '13 at 12:54
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“Single-page” JS websites and SEO
... a lot of cool tools for making powerful "single-page" JavaScript websites nowadays. In my opinion, this is done right by letting the server act as an API (and nothing more) and letting the client handle all of the HTML generation stuff. The problem with this "pattern" is the lack of search engine s...
What's the algorithm to calculate aspect ratio?
...integer solution like 16:9 rather than a float:1 solution like 1.77778:1.
If so, what you need to do is find the greatest common divisor (GCD) and divide both values by that. The GCD is the highest number that evenly divides both numbers. So the GCD for 6 and 10 is 2, the GCD for 44 and 99 is 11.
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Is Dvorak typing appropriate for programming? [closed]
... Dvorak already has the huge con that the rest of the world uses qwerty, now if we start using modifications of dvorak too.. It's even worse! :)
– Thomas Bonini
Dec 18 '09 at 20:49
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搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
... but that basic process is:
get maxLocalOpOrdinal from each server.
if a majority of servers are not up (from this server’s POV), remain in Secondary mode and stop.
if the last op time seems very old, stop and await human intervention.
else, using a consensus protocol, pick the serv...
Can I inject a service into a directive in AngularJS?
...t service to get whatever service you like. I find that useful if I don't know the service name ahead of time but know the service interface. For example a directive that will plug a table into an ngResource end point or a generic delete-record button which interacts with any api end point. You don...
What is exactly the base pointer and stack pointer? To what do they point?
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Thanks for the explanation! But I am now kinda confused. Let's assume I call a function and I am in the first line of its prolog, still without having executed a single line from it. At that point, what is ebp's value? Does the stack have anything at that point ...