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Count cells that contain any text
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Tried to find the formula for counting non-blank cells (="" is a blank cell) without a need to use data twice. The solution for goolge-spreadhseet: =ARRAYFORMULA(SUM(IFERROR(IF(data="",0,1),1))). For excel ={S...
postgresql port confusion 5433 or 5432?
...th to your installation>/main/postgresql.conf
Search for port in this file.
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Get value of dynamically chosen class constant in PHP
...code to have the FQDN spelled out everywhere. By use use at the top of the file and then using the ::class method to magically get the FQDN improves readability.
– David Baucum
Nov 8 '16 at 14:11
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How to close tag properly?
...mage tags, as you run across them.
Not overly worry about tags in legacy files that you do not touch, unless a particular need arises.
Here is a list of tags that should not be closed in HTML5:
<br> <hr> <input>
<img> <link> <source>
&l...
Load Testing with AB … fake failed requests (length)
...you have a real error. You can use -v 4 to get more info (better pipe to a file as there will be a lot of printout).
– Tal Lev-Ami
May 22 '13 at 6:43
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What is the HMVC pattern?
...uts, using custom helpers, creating their own widget structures or library files, or pulling in unrelated data from the main requested Controller to push through to the View and render in a partial. None of these are particularly good options, because the responsibility of rendering a particular pie...
Permanently Set Postgresql Schema Path
... in all your databases you could set the system-wide default in the config file with the search_path option.
When a database is created it is created by default from a hidden "template" database named template1, you could alter that database to specify a new default search path for all databases cr...
What is the difference between HTTP_HOST and SERVER_NAME in PHP?
... An easy way to trick Apache from WinXP is to add a line to 'hosts' file stating that the IP of the server is assigned to another domain, like this: "127.0.0.1 mydomain.com". I've used this a lot of times to show a local website tricking my audience to think I've got internet connection and s...
Purpose of Trigraph sequences in C++?
...i-graphs, it was the IO system differences between the platforms. Opening files on the PC was so much different than the mainframe it would have introduced way too many kludges to keep the same code running on both.
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How do I check if an element is really visible with JavaScript? [duplicate]
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Check out the method Selenium.prototype.isVisible in the selenium-api.js file.
http://svn.openqa.org/svn/selenium-on-rails/selenium-on-rails/selenium-core/scripts/selenium-api.js
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