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How to print out a variable in makefile
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from a "Mr. Make post"
https://www.cmcrossroads.com/article/printing-value-makefile-variable
Add the following rule to your Makefile:
print-% : ; @echo $* = $($*)
Then, if you want to find out the value of a makefile var...
What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?
...ice versa. This means that control needs to be transferred back and forth from ARC when bridging between CF types and Objective-C. Some keywords related to this bridging have been added, and Mike Ash has a great description of various bridging cases in his lengthy ARC writeup.
In addition to this,...
What is the most efficient Java Collections library? [closed]
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From inspection, it looks like Trove is just a library of collections for primitive types - it's not like it's meant to be adding a lot of functionality over the normal collections in the JDK.
Personally (and I'm biased) I l...
List of remotes for a Git repository?
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NOTE: Usually git remote simply tells me about origin -- the repository from which I cloned the project. git remote would be handy if you were collaborating with two or more people working on the same project and accessing each other's repositories directly rather than passing everything through...
What does enumerable mean?
...ondition is in place because objects have many more properties, especially from inheritance:
console.log(Object.getOwnPropertyNames(Object.prototype));
// ["constructor", "toString", "toLocaleString", "valueOf", "hasOwnProperty", "isPrototypeOf", "propertyIsEnumerable", /* etc. */]
Each of these ...
Why is Linux called a monolithic kernel?
...l.
A microkernel prefers an approach where core functionality is isolated from system services and device drivers (which are basically just system services). For instance, VFS (virtual file system) and block device file systems (i.e. minixfs) are separate processes that run outside of the kernel's ...
Dynamically updating plot in matplotlib
I am making an application in Python which collects data from a serial port and plots a graph of the collected data against arrival time. The time of arrival for the data is uncertain. I want the plot to be updated when data is received. I searched on how to do this and found two methods:
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How to create the most compact mapping n → isprime(n) up to a limit N?
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True, but there are better storage methods than reading from a file in a linear fashion. If you really want to read from a stored set of pre-generated primes, try a more complicated data structure that speeds up the problem.
– CogitoErgoCogitoSum
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Is short-circuiting logical operators mandated? And evaluation order?
... @Joe: but return value and arguments of the operator may change from boolean to something else. I used to implement "special" logic with THREE values ("true", "false" and "unknown"). Return value is deterministic, but short-circuiting behaviour is not appropriate.
– ...
Android adb “Unable to open sync connection!”
...t of the time. Then, seemingly randomly, when I try to run or debug my app from Eclipse, the Console in Eclipse says:
18 An...