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Is “else if” a single keyword?
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They are not a single keyword if we go to the draft C++ standard section 2.12 Keywords table 4 lists both if and else separately and there is no else if keyword. We can find a more accessible list of C++ keywords by going to cppreferences section on keyw...
How to output in CLI during execution of PHP Unit tests?
...t (or conf file has beStrictAboutOutputDuringTests="true") - documentation now says "A test that emits output, for instance by invoking print in either the test code or the tested code, will be marked as risky when this check is enabled." phpunit.readthedocs.io/en/8.4/risky-tests.html#risky-tests
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Android Writing Logs to text File
... and Android logging
Log4j is generic java logging implementation and is now a project of
Apache software foundation. It is not Android specific and so has
some incompatibilities with Android.
SL4J is not a logging implementation, It is an abstraction layer. It
helps avoid a situations like, each...
How can jQuery deferred be used?
...he best use case I can think of is in caching AJAX responses. Here's a modified example from Rebecca Murphey's intro post on the topic:
var cache = {};
function getData( val ){
// return either the cached value or jqXHR object wrapped Promise
return $.when(
cache[ val ] ||
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How to call Android contacts list?
... without READ permission on my 4.0+ Android phone but not on 1.6. Anybody know at what version did this functionality come about?
– amit
Jul 22 '12 at 7:05
1
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Insert HTML with React Variable Statements (JSX)
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How does this work if you need to add something to <head>?
– Danielle Madeley
Oct 30 '15 at 3:37
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Add a new item to a dictionary in Python [duplicate]
...ther possible solution:
default_data.update({'item3': 3})
which is nice if you want to insert multiple items at once.
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C++ convert hex string to signed integer
...dard, there are a few new utility functions which you can make use of! specifically, there is a family of "string to number" functions (http://en.cppreference.com/w/cpp/string/basic_string/stol and http://en.cppreference.com/w/cpp/string/basic_string/stoul). These are essentially thin wrappers aroun...
What really happens in a try { return x; } finally { x = null; } statement?
I saw this tip in another question and was wondering if someone could explain to me how on earth this works?
5 Answers
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How do I install from a local cache with pip?
... downloaded and added to the PIP_DOWNLOAD_CACHE directory. For instance, I now have quite a few Django packages.
This doesn't remove the need for network access, as stated in the pip news, so it's not the answer for creating new virtualenvs on the airplane, but it's still great.
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