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Convert string to a variable name
...an.r-project.org/doc/FAQ/R-FAQ.html#How-can-I-turn-a-string-into-a-variable_003f
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What is an optional value in Swift?
...g and writing code more fluent. Unfortunately this obscures the way it actually works. I'll go through some of the tricks later.
Note: I'll be talking about optional variables a lot, but it's fine to create optional constants too. I mark all variables with their type to make it easier to understand ...
File Explorer in Android Studio
... files should be in:
DDMS-> File Explorer ->data -> data -> MY_PACKAGE_NAME -> shared_prefs -> YOUR_PREFERENCE_NAME.xml
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How do I merge a list of dicts into a single dict?
... this:
from functools import reduce
reduce(lambda a, b: dict(a, **b), list_of_dicts)
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HTML tag want to add both href and onclick working
... safari in console I see warrning: [blocked] The page at fiddle.jshell.net/_display was not allowed to display insecure content from example.com - so probably this is some security issue (only on fiddle ? )
– Kamil Kiełczewski
Oct 7 '18 at 16:46
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Detect HTTP or HTTPS then force HTTPS in JavaScript
... answered Jul 7 '12 at 12:20
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What should I do if the current ASP.NET session is null?
...ireRequestState runs before control is handed to your Page. So if you are calling other functionality, including static classes, from your page, you should be fine.
If you have some classes doing initialization logic during startup, for example on the Application_Start event or by using a static con...
How to echo with different colors in the Windows command line
... command console doesn't support output coloring by default. You could install either Cmder, ConEmu, ANSICON or Mintty (used by default in GitBash and Cygwin) to add coloring support to your Windows command console.
Windows 10 - Command Line Colors
Starting from Windows 10 the Windows console supp...
How can I import a database with MySQL from terminal?
...;databasename> < <filename.sql>
Example:
mysql -u root -p wp_users < wp_users.sql
mysql -u root -pPassword123 wp_users < wp_users.sql
See also:
4.5.1.5. Executing SQL Statements from a Text File
Note: If you are on windows then you will have to cd (change directory) to y...
Convert a timedelta to days, hours and minutes
...l indeed have to perform "nauseatingly simple mathematics", e.g.:
def days_hours_minutes(td):
return td.days, td.seconds//3600, (td.seconds//60)%60
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