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Git says “Warning: Permanently added to the list of known hosts”
... issue on my ubuntu machine. It started to behave this way after I used a different (from my default ~/.ssh/id_rsa) key to connect to a server. As @JeremiahGowdy mentioned, I have debug3: load_hostkeys: loading entries for host "172.16.3.101" from file "/dev/null". Why does SSH starts using /dev/nul...
Simple 'if' or logic statement in Python [closed]
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If key isn't an int or float but a string, you need to convert it to an int first by doing
key = int(key)
or to a float by doing
key = float(key)
Otherwise, what you have in your question should work, but
if (key < ...
Detecting Windows or Linux? [duplicate]
...tatic void main(String[] args) {
System.out.println(OS);
if (isWindows()) {
System.out.println("This is Windows");
} else if (isMac()) {
System.out.println("This is Mac");
} else if (isUnix()) {
System.out.println("This is Unix or...
Given an emacs command name, how would you find key-bindings ? (and vice versa)
If I know an emacs command name, says, "goto-line"; what if I want to query whether if there are any key-sequences bound to this command ?
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gulp command not found - error after installing gulp
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This piece wasn't even included in our artifactory to grab, so couldn't get it to install it.
– vapcguy
Oct 6 '17 at 15:21
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Datatable vs Dataset
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One major difference is that DataSets can hold multiple tables and you can define relationships between those tables.
If you are only returning a single result set though I would think a DataTable would be more optimized. I would thin...
Display / print all rows of a tibble (tbl_df)
...pipe operator
df %>% tbl_df %>% print(n=40)
To print all rows specify tbl_df %>% print(n = Inf)
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Android: How to put an Enum in a Bundle?
... @clu By not expecting custom fields to be serialised. It works fine if its just a normal enum like in the code above.
– bluehallu
Jan 11 '16 at 12:39
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How to check if a char is equal to an empty space?
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if (c == ' ')
char is a primitive data type, so it can be compared with ==.
Also, by using double quotes you create String constant (" "), while with single quotes it's a char constant (' ').
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How to design RESTful search/filtering? [closed]
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One significant limitation to using a POST request for a search endpoint is that it cannot be bookmarked. Bookmarking search results (particularly complex queries) can be quite useful.
– couchand
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