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Using {} in a case statement. Why?
... a trivial destructor, a cv-qualified version of one of these types, or an array of one of the preceding types and is declared without an initializer (8.5).
and provides this example:
void f() {
// ...
goto lx; // ill-formed: jump into scope of a
ly:
X a = 1;
// ...
lx:
goto ly; // OK, ...
What does the function then() mean in JavaScript?
...d is not
correct, or there is no data available on the server (think empty array). In such a
case, for the next promise P2, it should trigger the error handler E2.
• We receive an error for promise P2, triggering E2. But inside the handler, we have
data from the cache, ensuring that the applicati...
What is the difference between the HashMap and Map objects in Java?
...
It is similar to how often a List is implemented as an ArrayList
– Gerard
Jul 29 '15 at 14:51
...
How to make the 'cut' command treat same sequental delimiters as one?
...ted to awk:
perl -lane 'print $F[3]' text.txt
However, the @F autosplit array starts at index $F[0] while awk fields start with $1
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Getting image dimensions without reading the entire file
... a new file format you add it to imageFormatDecoders with the key being an array of the "magic bits" which appear at the beginning of every file of the given format and the value being a function which extracts the size from the stream. Most formats are simple enough, the only real stinker is jpeg.
...
facebook: permanent Page Access Token?
...cess_token}
The JSON response should have a data field under which is an array of items the user has access to. Find the item for the page you want the permanent access token from. The access_token field should have your permanent access token. Copy it and test it in the Access Token Debugger. Und...
What is a “symbol” in Julia?
... = "bar")
:(foo = "bar")
julia> dump(ex)
Expr
head: Symbol =
args: Array{Any}((2,))
1: Symbol foo
2: String "bar"
typ: Any
What that dumped out stuff shows, among other things, is that there's a :foo symbol object inside of the expression object you get by quoting the code foo = ...
Frequency table for a single variable
...To use this on a dataframe instead, convert into it's equivalent 1-D numpy array representation, like - pd.value_counts(df.values.ravel()) which returns a series whose index and values attributes contains the unique elements and their counts respectively.
– Nickil Maveli
...
Error: Jump to case label
... a trivial destructor, a cv-qualified version of one of these types, or an array of one of the
preceding types and is declared without an initializer (8.5).
87) The transfer from the condition of a switch statement to a case label is considered a jump in this respect.
[ Example:
void f(...
Downloading a large file using curl
...e - file functions aren't quite OOP too, and if you put curl options in an array, it'll look way cleaner anyway.
– ashein
May 30 '13 at 9:10
...