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Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
...y.join
Straight string concatenation
Then I created the same three tests by abstracting them into StringBuilderConcat, StringBuilderArrayPush and StringBuilderArrayIndex http://jsperf.com/string-concat-without-sringbuilder/5 Please go there and run tests so we can get a nice sample. Note that I fi...
OS X Terminal Colors [closed]
...diting .bash_profile, start a Terminal and force the changes to take place by executing:
source ~/.bash_profile
Then go to Terminal > Preferences, click on the Profiles tab and then the Text subtab and check Display ANSI Colors.
Verified on Sierra (May 2017).
...
Best Practice to Organize Javascript Library & CSS Folder Structure [closed]
...tant distinction. To do an effective grouping of your files you must start by separating general-purpose files from application-specific resources. appcropolis-project resources vendors my-index.html This simple separation makes navigating through your files a lot easier. Once you place librar...
OpenJDK availability for Windows OS [closed]
... I'm downvoting this. Nothing personal, but an OpenJDK build built by someone on the internet cannot easily be trusted. Who is this ojdkbuild entity anyway? How do I know I'm not distributing malware?
– Lukas Eder
Sep 12 '18 at 14:22
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What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...ou can't do this either:
list tail length
You could use infix notation by using parenthesis to mark end of expressions:
(list tail) map (...)
(list tail) length
Note that postfix notation is discouraged because it may be unsafe.
I hope this has cleared all the doubts. If not, just drop a c...
Why is “origin/HEAD” shown when running “git branch -r”?
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@robinst is correct.
In git, you can select which branch is checked out by default (i.e. when you clone). By default, origin/HEAD will point at that.
On GitHub, You can change this in the Admin settings for your GitHub repo. You can also do it from the command-line via
git remote set-head origi...
Split a List into smaller lists of N size
...ays that .Count is an O(1) operation, so I doubt you'd see any improvement by storing it in a variable: docs.microsoft.com/en-us/dotnet/api/…
– user1666620
Sep 15 at 13:54
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Shell script - remove first and last quote (") from a variable
...t from a larger script. It removes the quotes from the string that is held by a variable. I am doing it using sed, but is it efficient? If not, then what is the efficient way?
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Use of 'prototype' vs. 'this' in JavaScript?
...ia the instance's private [[Prototype]] property.
A function's this is set by how the function is called or by the use of bind (not discussed here). Where a function is called on an object (e.g. myObj.method()) then this within the method references the object. Where this is not set by the call or b...
List of installed gems?
Is there a Ruby method I can call to get the list of installed gems?
11 Answers
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