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How do I make class methods / properties in Swift?
...wered Jun 6 '14 at 17:58
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Getting “bytes.Buffer does not implement io.Writer” error message
...ve some Go object implement io.Writer, but writes to a string instead of a file or file-like object. I thought bytes.Buffer would work since it implements Write(p []byte) . However when I try this:
...
Is sizeof(bool) defined in the C++ language standard?
...om/en-us/library/tf4dy80a.aspx
"In Visual C++4.2, the Standard C++ header files contained a typedef that equated bool with int. In Visual C++ 5.0 and later, bool is implemented as a built-in type with a size of 1 byte. That means that for Visual C++ 4.2, a call of sizeof(bool) yields 4, while in Vi...
git push says “everything up-to-date” even though I have local changes
...ke sure to use git stash first if you want to save your currently modified files.
$ git log -1
# note the SHA-1 of latest commit
$ git checkout master
# reset your branch head to your previously detached commit
$ git reset --hard <commit-id>
As mentioned in the git checkout man page (emph...
SQL/mysql - Select distinct/UNIQUE but return all columns?
...an aggregate function, which ever field you GROUP BY will be your DISTINCT filed.
If you make your query:
SELECT * from table GROUP BY field1;
It will show all your results based on a single instance of field1.
For example, if you have a table with name, address and city. A single person has m...
How to escape special characters in building a JSON string?
...(though of course you will when manually editing, say, a JSON-based config file). Instead, form the data structure you want to encode using whatever native map, array, string, number, boolean, and null types your language has, and then encode it to JSON with a JSON-encoding function. Such a function...
Using the “animated circle” in an ImageView while loading stuff
...
Simply put this block of xml in your activity layout file:
<RelativeLayout
android:id="@+id/loadingPanel"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center" >
<ProgressBar
android:layout_width...
Where does Scala look for implicits?
...ned in current scope
Explicit imports
wildcard imports
Same scope in other files
Now look at associated types in
Companion objects of a type
Implicit scope of an argument's type (2.9.1)
Implicit scope of type arguments (2.8.0)
Outer objects for nested types
Other dimensions
Let's give some exa...
Uses of content-disposition in an HTTP response header
I have found the following asp.net code to be very useful when serving files from a database:
6 Answers
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How to find the installed pandas version
...das as pd >>> pd.__version__ Traceback (most recent call last): File "<stdin>", line 1, in <module> AttributeError: module 'pandas' has no attribute '__version__'
– jangorecki
May 26 '18 at 10:38
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