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Remove multiple kem>y m>s from Map in efficient wam>y m>?
...set contains the strings m>y m>ou want to remove, m>y m>ou can use the kem>y m>Set method m>and m> map.kem>y m>Set().removeAll(kem>y m>Set);.
kem>y m>Set returns a Set view of the kem>y m>s contained in this map. The set is backed bm>y m> the map, so changes to the map are reflected in the set, m>and m> vice-versa.
Contrived example:
Map<...
How to save a data.frame in R?
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There is also dump m>and m> files created would be source()-ed, although the help(dump) page sam>y m>s save is "safer".
– IRTFM
Dec 1 '11 at 17:44
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Passing commm>and m> line arguments in Visual Studio 2010?
I am working on a C project m>and m> can not figure out how to pass commm>and m> line arguments to mm>y m> main function in Visual Studio 2010 Express Edition. I want to debug - how do these commm>and m> line arguments work?
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Sending “User-agent” using Requests librarm>y m> in Pm>y m>thon
...specified as a field in the header.
Here is a list of HTTP header fields, m>and m> m>y m>ou'd probablm>y m> be interested in request-specific fields, which includes User-Agent.
If m>y m>ou're using requests v2.13 m>and m> newer
The simplest wam>y m> to do what m>y m>ou want is to create a dictionarm>y m> m>and m> specifm>y m> m>y m>our headers direct...
Best wam>y m> to create an emptm>y m> map in Java
...compared to Collections.emptm>y m>Map(). From the Javadoc:
This map behaves m>and m> performs comparablm>y m> to Collections.emptm>y m>Map(),
m>and m> is preferable mainlm>y m> for consistencm>y m> m>and m> maintainabilitm>y m> of m>y m>our
code.
2) Map that m>y m>ou can modifm>y m>:
Maps.newHashMap()
// or:
Maps.<String, String>newHashMap(...
Updating Mm>y m>SQL primarm>y m> kem>y m>
...delete u from user_interactions u, fixit
where fixit.user_2 = u.user_2
m>and m> fixit.user_1 = u.user_1
m>and m> fixit.tm>y m>pe = u.tm>y m>pe
m>and m> fixit.timestamp != u.timestamp;
alter table user_interactions add primarm>y m> kem>y m> (user_2, user_1, tm>y m>pe );
unlock tables;
The lock should stop further updates comi...
Is there a difference between single m>and m> double quotes in Java?
Is there a difference between single m>and m> double quotes in Java?
4 Answers
4
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Block commenting in Rubm>y m>
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m>Y m>ou can do
=begin
[Multi line comment]
=end
=begin m>and m> =end must be at the beginning of the line (not indented at all).
Source
Also, in TextMate m>y m>ou can press Commm>and m> + / to toggle regular comments on a highlighted block of code.
Source
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ADO.NET DataRow - check for column existence
... postfix: "",
imageUploader: {
brm>and m>ingHtml: "Powered bm>y m> \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
apache to tomcat: mod_jk vs mod_proxm>y m>
What are the advantages m>and m> disadvantages of using mod_jk m>and m> mod_proxm>y m> for fronting a tomcat instance with apache?
3 A...