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Error while installing json gem 'mkmf.rb can't find header files for ruby'
... you need (or want) to switch the chosen Xcode SDK for a single command or script, you can make use of the DEVELOPER_DIR environment variable as documented in xcode-select(1). For example: DEVELOPER_DIR=/Library/Developer/CommandLineTools/ bundle install
– Meitar
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How to load images dynamically (or lazily) when users scrolls them into view
...to work fine (so far). There's probably a dozen things some of the popular scripts address that I haven't thought of.
Note - This solution is fast and easy to implement but of course not great for performance. Definitely look into the new Intersection Observer as mentioned by Apoorv and explained ...
How to connect to Mysql Server inside VirtualBox Vagrant?
...n there to comment), this command can be used in something like an Ansible script to automate granting root user permissions: mysql -e "create user 'root'@'10.0.2.2' identified by 'vagrant'; grant all privileges on *.* to 'root'@'10.0.2.2' with grant option; flush privileges;"
–...
JavaScript function similar to Python range()
Is there a function in JavaScript similar to Python's range() ?
23 Answers
23
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Biggest differences of Thrift vs Protocol Buffers?
...ctive-C, Node.js
Thrift: Java, C++, Python, Ruby, C#, Go, Objective-C, JavaScript, Node.js, Erlang, PHP, Perl, Haskell, Smalltalk, OCaml, Delphi, D, Haxe
Both could be extended to other platforms, but these are the languages bindings available out-of-the-box.
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Javascript switch vs. if…else if…else
...nd the different ways different JS engines function. Quote: Since most JavaScript engines don’t have such optimizations, performance of the switch statement is mixed.
– Jasper
May 17 '13 at 17:23
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Cause CMAKE to generate an error
... continue processing, suggesting that it is to be used for debugging CMake scripts. Just a wild guess.
– pauluss86
Feb 9 '14 at 22:40
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How to check if multiple array keys exists
...out a single line expression for this common task. I'm thinking of a shell script or another small program.
Note: each of the following solutions use concise […] array declaration syntax available in php 5.4+
array_diff + array_keys
if (0 === count(array_diff(['story', 'message', '…'], array...
Remove the last line from a file in Bash
...
Here is a simple bash script that automates it in case you have multiple files with different number of lines at the bottom to delete: cat TAILfixer FILE=$1; TAIL=$2; head -n -${TAIL} ${FILE} > temp ; mv temp ${FILE} Run it for deleting 4 lines...
Equivalent of “continue” in Ruby
...t condition and rest of the code will work.
Below i have provided the Full script and out put
class TestBreak
puts " Enter the nmber"
no= gets.to_i
for i in 1..no
if(i==5)
next
else
puts i
end
end
end
obj=TestBreak.new()
Output:
Enter the nmber
10
1
2
3
4
6
7
8...