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CFLAGS vs CPPFLAGS
...pands the variables. As both CPPFLAGS and CFLAGS are used in the compiler call, which you use to define include paths is a matter of personal taste. For instance if foo.c is a file in the current directory
make foo.o CPPFLAGS="-I/usr/include"
make foo.o CFLAGS="-I/usr/include"
will both call your...
What makes JNI calls slow?
I know that 'crossing boundaries' when making a JNI call in Java is slow.
3 Answers
3
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What are the differences between various threading synchronization options in C#?
... member object of your class.
Monitors
lock(obj) is implemented internally using a Monitor. You should prefer lock(obj) because it prevents you from goofing up like forgetting the cleanup procedure. It 'idiot-proof's the Monitor construct if you will.
Using Monitor is generally preferred over m...
Accessing dict_keys element by index in Python3
...
Call list() on the dictionary instead:
keys = list(test)
In Python 3, the dict.keys() method returns a dictionary view object, which acts as a set. Iterating over the dictionary directly also yields keys, so turning a dicti...
How to prevent text in a table cell from wrapping
...t:
Use nowrap attribute inside the "td" tag:
<th nowrap="nowrap">Really long column heading</th>
Use non-breakable spaces between your words:
<th>Really&nbsp;long&nbsp;column&nbsp;heading</th>
...
UnicodeDecodeError when redirecting to file
...n byte chunks. The necessary process that converts characters to bytes is called encoding. Thus, a computer requires an encoding in order to represent characters. Any text present on your computer is encoded (until it is displayed), whether it be sent to a terminal (which expects characters encode...
Accidentally committed .idea directory files into git
I have accidentally committed the .idea/ directory into git. This is causing conflicts everywhere else I need to checkout my repo. I was wondering how do I remove these files from the remote?
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Should I be concerned about excess, non-running, Docker containers?
...running are not taking any system resources besides disk space.
It is usually good to clean up after yourself, but if you have a lot of them sitting around it shouldn't slow down performance at all.
If you do notice a slow down when running docker commands with lots of stopped containers, it mig...
Finding the path of the program that will execute from the command line in Windows
Say I have a program X.EXE installed in folder c:\abcd\happy\ on the system. The folder is on the system path. Now suppose there is another program on the system that's also called X.EXE but is installed in folder c:\windows\ .
...
Bower and devDependencies vs dependencies
I ran 'yo angular' and realized afterwards that it installs 1.0.8, I uninstalled the angular components, however the original bower.json file had angular-mocks and angular-scenario under 'devDependencies' when I re-add all the 1.2.0-rc.2 components angular-mocks and angular-scenario under dependenci...