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What's the deal with a leading underscore in PHP class methods?
...private with an underscore. In some older classes you'll see /**private*/ __foo() { to give it some extra weight.
I've never heard of developers prefacing all their methods with underscores, so I can't begin to explain what causes that.
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MySQL get the date n days ago as a timestamp
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DATE_SUB will do part of it depending on what you want
mysql> SELECT DATE_SUB(NOW(), INTERVAL 30 day);
2009-06-07 21:55:09
mysql> SELECT TIMESTAMP(DATE_SUB(NOW(), INTERVAL 30 day));
2009-06-07 21:55:09
mysql> SELECT U...
How to identify server IP address in PHP
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Like this for the server ip:
$_SERVER['SERVER_ADDR'];
and this for the port
$_SERVER['SERVER_PORT'];
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Getting the caller function name inside another function in Python? [duplicate]
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Actually, you probably want inspect.currentframe().f_back.f_code.co_name, which is independent of Python version or implementation.
– 1313e
May 29 '19 at 7:45
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Pandas convert dataframe to array of tuples
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How about:
subset = data_set[['data_date', 'data_1', 'data_2']]
tuples = [tuple(x) for x in subset.to_numpy()]
for pandas < 0.24 use
tuples = [tuple(x) for x in subset.values]
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Coalesce function for PHP?
...ay element is falsey will result in an error. $input['properties']['range_low'] ?: '?'
– Keyo
Jul 12 '11 at 23:28
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ASP.NET MVC Razor Concatenation
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You should wrap the inner part of the call with ( ):
<li id="item_@(item.TheItemId)">
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How do I correctly clone a JavaScript object?
...f a function. Also, an object's prototype is referenced with the attribute __proto__, which is also hidden, and will not be copied by a for/in loop iterating over the source object's attributes. I think __proto__ might be specific to Firefox's JavaScript interpreter and it may be something different...
Missing include “bits/c++config.h” when cross compiling 64 bit program on 32 bit in Ubuntu
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While compiling in RHEL 6.2 (x86_64), I installed both 32bit and 64bit libstdc++-dev packages, but I had the "c++config.h no such file or directory" problem.
Resolution:
The directory /usr/include/c++/4.4.6/x86_64-redhat-linux was missing.
I did the foll...
How to find elements by class
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@pyCthon See answer for @jmunsch, BS now supports class_ which works properly.
– Wernight
Oct 6 '14 at 9:47
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