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is_null($x) vs $x === null in PHP [duplicate]
PHP has two (that I know of, and three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically design...
How do I include a pipe | in my linux find -exec command?
...s, and none of the files there have spaces so I don't bother with print0. Now my documents directory, on the other hand, I remember the print0.
– Paul Tomblin
Nov 21 '08 at 15:12
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What exactly is nullptr?
We now have C++11 with many new features. An interesting and confusing one (at least for me) is the new nullptr .
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Setting the correct encoding when piping stdout in Python
...Encoding" and "Default encoding for properties files" ALL to UTF-8 and she now works like a charm.
Hope this helps!
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How to install a specific JDK on Mac OS X?
... says, you have to go to Apple, not Sun, for Java on the Mac. As far as I know, Apple JDK 6 is installed by default on Mac OS X 10.6 (Snow Leopard). Maybe you need to install the developer tools from your Mac OS X installation DVD (the dev tools are an optional install from the OS DVD).
See: http:/...
How do I print the type of a variable in Rust?
... used to be as simple as 32.90.eq(&32.90), but that treats both as f64 now and chugs along happily, so I don’t know.
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What is the canonical way to check for errors using the CUDA runtime API?
...eaders seem to have been rearranged. <thrust/system/cuda_error.h> is now effectively <thrust/system/cuda/error.h>.
– chappjc
May 18 '15 at 20:05
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JavaScript function similar to Python range()
...ve checks for types etc., but I implemented reverse order of elements - it now works exactly the same as Python counterpart, when the last param is negative integer.
– Tadeck
Nov 25 '11 at 18:59
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How is null + true a string?
... fine, but it's not used for a null literal, because the compiler doesn't know to look in Foo. It only knows to consider string because it's a predefined operator explicitly listed in the spec. (In fact, it's not an operator defined by the string type... 1) That means that this will fail to compile:...
What is the best way to give a C# auto-property an initial value?
...ith C# 6 you can initialize auto-properties directly (finally!), there are now other answers in the thread that describe that.
C# 5 and below:
Though the intended use of the attribute is not to actually set the values of the properties, you can use reflection to always set them anyway...
public c...