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Difference between a Seq and a List in Scala
... object cannot be changed, but you still can change the old one, and, therefore, the "read only" one).
Scala's List is highly optimized by compiler and libraries, and it's a fundamental data type in functional programming. However, it has limitations and it's inadequate for parallel programming. Th...
How to read a single char from the console in Java (as the user types it)?
...t in Java? Is it possible? I've tried with these methods but they all wait for the user to press enter key:
5 Answers
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Example of multipart/form-data
I am wondering if anyone can share with me an example of multipart/form-data that contains:
2 Answers
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Simple tool to 'accept theirs' or 'accept mine' on a whole file using git
...checkout <filename> tries to check out file from the index, and therefore fails on merge.
What you need to do is (i.e. checkout a commit):
To checkout your own version you can use one of:
git checkout HEAD -- <filename>
or
git checkout --ours -- <filename>
or
git show :2...
How to use QueryPerformanceCounter?
...ly decided that I needed to change from using milliseconds to microseconds for my Timer class, and after some research I've decided that QueryPerformanceCounter is probably my safest bet. (The warning on Boost::Posix that it may not works on Win32 API put me off a bit). However, I'm not really sur...
HintPath vs ReferencePath in Visual Studio
...8/resolving-file-references-in-team-build-part-2/
There is a search order for assemblies when building. The search order is as follows:
Files from the current project – indicated by ${CandidateAssemblyFiles}.
$(ReferencePath) property that comes from .user/targets file.
%(HintPath) metadata ind...
How to hash a string into 8 digits?
...digits using modulo operations or string slicing operations on the integer form of the hash:
>>> s = 'she sells sea shells by the sea shore'
>>> # Use hashlib
>>> import hashlib
>>> int(hashlib.sha1(s).hexdigest(), 16) % (10 ** 8)
58097614L
>>> # Use h...
When to use valueChangeListener or f:ajax listener?
...
The valueChangeListener will only be invoked when the form is submitted and the submitted value is different from the initial value. It's thus not invoked when only the HTML DOM change event is fired. If you would like to submit the form during the HTML DOM change event, then yo...
@RunWith(MockitoJUnitRunner.class) vs MockitoAnnotations.initMocks(this)
...hrow or then. (Error 1 in the code below)
You call verify on a mock, but forget to provide the method call
that you are trying to verify. (Error 2 in the code below)
You call the when method after doReturn, doThrow or
doAnswer and pass a mock, but forget to provide the method that
you are trying t...
Creating JS object with Object.create(null)?
...y run into a case where there are keys in the map that you never inserted. For example, if you did a lookup on toString, you would find a function, even though you never put that value there. You can work around that like this:
if (Object.prototype.hasOwnProperty.call(p, 'toString')) {
// we act...