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Validate phone number with JavaScript
...test(value). Everything that's not a digit, including whitespaces, dashes, etc...
– Gus
Jul 4 '19 at 1:59
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Eclipse - “Workspace in use or cannot be created, chose a different one.” [duplicate]
...in .metadata/, rm .lock file
if 1) doesn't work, try end process javaw.exe etc. to exit the IDE
if 1)&2) doesn't work, try rm .log file in .metadata/, and double check .plugin/.
This always worked for me: relocate .metadata/, open and close eclipse, then overwrite .metadata back
The solution ...
How to extract year and month from date in PostgreSQL without using to_char() function?
...to truncate off the day (or whatever else you want, e.g., week, year, day, etc..)
Example of grouping sales from orders by month:
select
SUM(amount) as sales,
date_trunc('month', created_at) as date
from orders
group by date
order by date DESC;
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mysqldump - Export structure only without autoincrement
...at this also drops any auto increment fields, drop tables, character sets, etc.
– Deanna
Oct 8 '15 at 13:02
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Add a column to a table, if it does not already exist
...ave probably used any property name that exists on a column, such as name, etc.
– Jacques Bosch
Feb 2 at 16:17
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Get battery level and state in Android
How can I get battery level and state (plugged in, discharging, charging, etc)? I researched the developer docs and I found a BatteryManager class. But it doesn't contain any methods, just constants. How do I even use it?
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How to configure the web.config to allow requests of any length
...'t have the correct authentication method set up in IIS (e.g. Basic, Forms etc..) then the browser will be getting stuck in a redirect loop. This causes the redirect url to get longer and longer until it explodes.
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Removing viewcontrollers from navigation stack
... a number")
There a bunch of more possible actions like removeFirst,range etc.
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git recover deleted file where no commit was made after the delete
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The output tells you what you need to do. git reset HEAD cc.properties etc.
This will unstage the rm operation. After that, running a git status again will tell you that you need to do a git checkout -- cc.properties to get the file back.
Update:
I have this in my config file
$ git config a...
Add leading zeroes/0's to existing Excel values to certain length
...tom format as 0000 for a four digit number, 00000 for five, 000000 for six etc. Obviously this is only helpful for shorter format numbers
– Hilary
Apr 4 '16 at 14:52
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