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Difference between acceptance test and functional test?
... really needs?
This is usually done in cooperation with the customer, or by an internal customer proxy (product owner). For this type of testing we use test cases that cover the typical scenarios under which we expect the software to be used. This test must be conducted in a "production-like" envi...
What's the point of having pointers in Go?
... pointers and for some built-in types like maps and channels implicit pass by reference.
4 Answers
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What is the difference between connection and read timeout for sockets?
...eout on waiting to read data1. Specifically, if the server fails to send a byte <timeout> seconds after the last byte, a read timeout error will be raised.
2) What does connection timeout set to "infinity" mean? In what situation can it remain in an infinitive loop? and what can trigger th...
What's the role of adapters in Android?
...ay a list in your Android app.
For this you will use the ListView provided by Android.
ListViews don’t actually contain any data themselves.
It’s just a UI element without data in it.
You can populate your ListViews by using an Android adapter.
Adapter is an interface whose implementations prov...
How to shift a column in Pandas DataFrame
...
You need to use df.shift here.
df.shift(i) shifts the entire dataframe by i units down.
So, for i = 1:
Input:
x1 x2
0 206 214
1 226 234
2 245 253
3 265 272
4 283 291
Output:
x1 x2
0 Nan Nan
1 206 214
2 226 234
3 245 253
4 265 272
So,...
Accessing last x characters of a string in Bash
...o up to length characters of parameter starting at the character
specified by offset. If length is omitted, expands to the substring of parameter
starting at the character specified by offset. length and offset are arithmetic
expressions (see Shell Arithmetic). This is referred to as Substring Expan...
How do you rotate a two dimensional array?
Inspired by Raymond Chen's post , say you have a 4x4 two dimensional array, write a function that rotates it 90 degrees. Raymond links to a solution in pseudo code, but I'd like to see some real world stuff.
...
What do querySelectorAll and getElementsBy* methods return?
Do getElementsByClassName (and similar functions like getElementsByTagName and querySelectorAll ) work the same as getElementById or do they return an array of elements?
...
git stash blunder: git stash pop and ended up with merge conflicts
...to the HEAD commit to reverse 2. and to clean up working tree changes made by 2. and 3.; git-reset --hard can be used for this.
Resolve the conflicts. Git will mark the conflicts in the working tree. Edit the files into shape and git add them to the index. Use git commit to seal the deal.
And un...
Transfer-Encoding: gzip vs. Content-Encoding: gzip
...the realms of the spec and might run into issues such as the one mentioned by Fielding as well as others, e.g. when caching proxies are involved.
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