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Calculate business days
...eed a method for adding "business days" in PHP. For example, Friday 12/5 + 3 business days = Wednesday 12/10.
36 Answers
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Rails 4: List of available datatypes
...SchemaStatements.html#method-i-add_column
These are the same as with Rails 3.
If you use PostgreSQL, you can also take advantage of these:
:hstore
:json
:jsonb
:array
:cidr_address
:ip_address
:mac_address
They are stored as strings if you run your app with a not-PostgreSQL database.
Edit, 201...
Pass parameters in setInterval function
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553
You need to create an anonymous function so the actual function isn't executed right away.
setI...
How to install Google Play Services in a Genymotion VM (with no drag and drop support)?
... ARM Translation Installer v1.1
- Google Apps for your Android version: 2.3.7 - 4.4.4 or 4.4 - 6.0 (with platform and variant) You can also find the GApps list in the wbroek user GitHubGist page.
Open Genymotion emulator and go to home screen then drag and drop the first file Genymotion-ARM-Transla...
Dynamically creating keys in a JavaScript associative array
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edited Aug 3 '12 at 1:40
bkaid
48.4k2020 gold badges107107 silver badges126126 bronze badges
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Why is #!/usr/bin/env bash superior to #!/bin/bash?
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237
#!/usr/bin/env searches PATH for bash, and bash is not always in /bin, particularly on non-Linu...
Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc
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edited Feb 15 '18 at 3:57
community wiki
2...
How to rename a single column in a data.frame?
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354
colnames(trSamp)[2] <- "newname2"
attempts to set the second column's name. Your object ...
Plot two graphs in same plot in R
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637
lines() or points() will add to the existing graph, but will not create a new window. So you'd ...
How can I get Express to output nicely formatted HTML?
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313
In your main app.js or what is in it's place:
Express 4.x
if (app.get('env') === 'developmen...