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In c++ what does a tilde “~” before a function name signify?
...hen that object passes out of scope or is explicitly deleted.
See https://www.ibm.com/support/knowledgecenter/en/ssw_ibm_i_74/rzarg/cplr380.htm
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Git: See my last commit
...8 -0700
Changed shield frequencies to prevent Millennium Falcon landing
www/controllers/landing_ba_controller.js
www/controllers/landing_b_controller.js
www/controllers/landing_bp_controller.js
www/controllers/landing_h_controller.js
www/controller...
Regular expression for a string containing one word but not another
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"http://www.anydotcom.com/test/search.cfm?metric=blah&selector=sized&value=1" =~ /^(?!.*details\.cfm).*selector=size.*$/ #=> 0 is incorrect. (Note the string contains "...selector=sized...".) Also, why .*$ at the end?
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RegEx to find two or more consecutive chars
...z] instead of the [a-zA-Z] to get small and upper case alpha chars
http://www.w3schools.com/jsref/jsref_obj_regexp.asp
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In bash, how does one clear the current input?
...using Ctrl-Y. These keystrokes in fact come from the read line library: cnswww.cns.cwru.edu/php/chet/readline/rluserman.html .. so you can find them in any tool which user interface uses the library (Actually Emacs, bash, etc..). You can customize its behavior by editing the .inputrc file (take a lo...
Why are my basic Heroku apps taking two seconds to load?
...Robinson's answer to "Scalability: How Does Heroku Work?" on Quora: http://www.quora.com/Scalability/How-does-Heroku-work
Heroku divides up server resources among many different customers/applications. Your app is allotted blocks of computing power. Heroku partitions based on resource demand. When ...
What is a CSRF token ? What is its importance and how does it work?
...simple words
Assume you are currently logged into your online banking at www.mybank.com
Assume a money transfer from mybank.com will result in a request of (conceptually) the form http://www.mybank.com/transfer?to=<SomeAccountnumber>;amount=<SomeAmount>. (Your account number is not nee...
Application Error - The connection to the server was unsuccessful. (file:///android_asset/www/index.
.../youractivity.java)
above this line: super.loadUrl("file:///android_asset/www/index.html");
Explanation:
This can be happened due to the following reasons
The core reason: the problem is likely due to the speed of the emulator so the network is too slow complete the communication in a timely fa...
Using .otf fonts on web browsers
...convert the .otf to .ttf
Here are some good sites:
Good primer:
http://www.alistapart.com/articles/cssatten
Other Info:
http://randsco.com/index.php/2009/07/04/p680
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Run a callback only if an attribute has changed in Rails
...08383b974ae6c96faac5b4a3c81
Here is a blog post on these changes: https://www.ombulabs.com/blog/rails/upgrades/active-record-5-1-api-changes.html
Here is the summary I made for myself on the changes to ActiveRecord::Dirty in Rails 5.1+:
ActiveRecord::Dirty
https://api.rubyonrails.org/classes/Act...