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Difference between os.getenv and os.environ.get
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In addition to the answers above:
$ python3 -m timeit -s 'import os' 'os.environ.get("TERM_PROGRAM")'
200000 loops, best of 5: 1.65 usec per loop
$ python3 -m timeit -s 'import os' 'os.getenv("TERM_PROGRAM")'
200000 loops, best of 5: 1.83 usec per loop
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Is there such a thing as min-font-size and max-font-size?
...of cases. It does not require any media query, you just have to spend some time finding the right parameters.
As you noticed it is a linear function, basic maths learn you that two points already find you the parameters. Then just fix the font-size in px you want for very large screens and for mobi...
Can I use a binary literal in C or C++?
...numbers;
Advantages:
Total preprocessor driven, not spending processor time in pointless operations (like "?.. :..", "<<", "+") to the executable program (it may be performed hundred of times in the final application);
It works "mainly in C" compilers and C++ as well (template+enum solutio...
Using build types in Gradle to run same app that uses ContentProvider on one device
... different types of your app by simply modifying the package name at build time. One of the main advantage of this improvement is you can now have two different versions of your app installed on the same device at the same time. For instance:
android {
compileSdkVersion 17
buildToolsVersion "...
Android Studio with Google Play Services
... Simple, Elegant solutions. Thanks @IvoStoyanov it will save lot's of time of beginners like me.
– Manikandan S
May 4 '18 at 12:14
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Commenting in a Bash script inside a multiline command
How can I comment on each line of the following lines from a script?
7 Answers
7
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Git Symlinks in Windows
Our developers use a mix of Windows and Unix based OS's. Therefore, symlinks created on Unix machines become a problem for Windows developers. In windows (msysgit), the symlink is converted to a text file with a path to the file it points to. Instead, I'd like to convert the symlink into an actual W...
What is meant by the term “hook” in programming?
...erating system "in-flight" or on the disk.
They've been around for a long time. Mainframes had them (called exits) and a great deal of mainframe software uses those facilities even now. For example, the free source code control system that comes with z/OS (called SCLM) allows you to entirely replac...
Why does substring slicing with index out of range work?
Why doesn't 'example'[999:9999] result in error? Since 'example'[9] does, what is the motivation behind it?
3 Answers
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RAII and smart pointers in C++
...e destructor of File. So long as the File object is destroyed at the right time (which it should be anyway), closing the file is taken care of for us. So, our code now looks something like:
File file("/path/to/file");
// Do stuff with file
// No need to close it - destructor will do that for us
T...