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How to concatenate two numbers in javascript?
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Ok so, suposing the values 5 and 6 are in two variables: var1 = 5; var2 = 6; will it still work
– Heidi
Nov 12 '09 at 17:03
4
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Simplest way to do a fire and forget method in c# 4.0
... simpler with:
#pragma warning disable 4014
Task.Run(() =>
{
MyFireAndForgetMethod();
}).ConfigureAwait(false);
#pragma warning restore 4014
The pragma is to disable the warning that tells you you're running this Task as fire and forget.
If the method inside the curly braces returns a Tas...
How to git-svn clone the last n revisions from a Subversion repository?
... graph (DAG), which makes it trivial to walk back n commits. But in SVN ( and therefore in Git-SVN) you will have to find the revision number yourself.
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Why does parseInt(1/0, 19) return 18?
...parseInt scans the input "Infinity" to find which part of it can be parsed and stops after accepting the first I (because n is not a valid digit in base 19).
Therefore it behaves as if you called parseInt("I", 19), which converts to decimal 18 by the table above.
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How to delete last character in a string in C#?
...tring.Join("&", parameters);
string.Join takes a seperator ("&") and and array of strings (parameters), and inserts the seperator between each element of the array.
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Are HTTPS URLs encrypted?
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Yes, the SSL connection is between the TCP layer and the HTTP layer. The client and server first establish a secure encrypted TCP connection (via the SSL/TLS protocol) and then the client will send the HTTP request (GET, POST, DELETE...) over that encrypted TCP connection....
Remove Last Comma from a string
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This will remove the last comma and any whitespace after it:
str = str.replace(/,\s*$/, "");
It uses a regular expression:
The / mark the beginning and end of the regular expression
The , matches the comma
The \s means whitespace characters (space, tab...
input type=file show only button
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This answer is so simple and elegant and has worked for all browsers.
– Mike.C.Ford
Mar 19 '15 at 15:55
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Regular expression for matching HH:MM time format
I want a regexp for matching time in HH:MM format. Here's what I have, and it works:
19 Answers
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filter for complete cases in data.frame using dplyr (case-wise deletion)
...works, of course. But that is a) verbose when there are a lot of variables and b) impossible when the variable names are not known (e.g. in a function that processes any data.frame).
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