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Checking network connection
I want to see if I can access an online API, but for that I need to have Internet access.
21 Answers
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Git for beginners: The definitive practical guide
... run git init in the directory which contains the files you wish to track.
For example,
cd ~/code/project001/
git init
This creates a .git (hidden) folder in the current directory.
To make a new project, run git init with an additional argument (the name of the directory to be created):
git init pr...
Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?
I've been reading the other posts on tracking down the reasons for getting a SIGSEGV in an Android app. I plan to scour my app for possible NullPointers related to Canvas use, but my SIGSEGV barfs up a different memory address each time. Plus I've seen code=1 and code=2 . If the memory addres...
What does 'synchronized' mean?
...e is a quote from Sun:
synchronized methods enable a simple
strategy for preventing thread
interference and memory consistency
errors: if an object is visible to
more than one thread, all reads or
writes to that object's variables are
done through synchronized methods.
In a very, v...
Command line to remove an environment variable from the OS level configuration
...above won't affect any existing processes (and some new processes that are forked from existing processes), so if it's important for the change to take effect immediately, the easiest and surest thing to do is log out and back in or reboot. If this isn't an option or you want to dig deeper, some of ...
Using SASS with ASP.NET [closed]
...
For a better working experience in Visual Studio, you could install the last version of Web Essential which is starting to support Sass (SCSS syntax). Alternatively you could install Sassy Studio or Web Workbench.
Then to co...
Pointer to class data member “::*”
...use them in my own code.
Edit: I can't think off-hand of a convincing use for pointers to member data. Pointer to member functions can be used in pluggable architectures, but once again producing an example in a small space defeats me. The following is my best (untested) try - an Apply function th...
How to determine the encoding of text?
...possible.
(From chardet FAQ:)
However, some encodings are optimized
for specific languages, and languages
are not random. Some character
sequences pop up all the time, while
other sequences make no sense. A
person fluent in English who opens a
newspaper and finds “txzqJv 2!dasd0a
...
Can I redirect the stdout in python into some sort of string buffer?
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I think there is no need to add try/finally block for this solution.
– snr
Jul 16 '18 at 14:50
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How to append something to an array?
...tiple values to the array
arr.push("Salut", "Hey");
// display all values
for (var i = 0; i < arr.length; i++) {
console.log(arr[i]);
}
Update
If you want to add the items of one array to another array, you can use firstArray.concat(secondArray):
var arr = [
"apple",
"banana",
...