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How do I see if Wi-Fi is connected on Android?
...is to work.
NOTE2: public NetworkInfo getNetworkInfo (int networkType) is now deprecated:
This method was deprecated in API level 23. This method does not
support multiple connected networks of the same type. Use
getAllNetworks() and getNetworkInfo(android.net.Network) instead.
NOTE3: pub...
Get time in milliseconds using C#
...0 numbers bigger than it was a second ago. I've tried converting DateTime.Now to a TimeSpan and getting the TotalMilliseconds from that... but I've heard it isn't perfectly accurate.
...
How to capture Curl output to a file?
....txt -o output.txt
Writes the first output received in the file you specify (overwrites if an old one exists).
curl -K myconfig.txt >> output.txt
Appends all output you receive to the specified file.
Note: The -K is optional.
...
Is there a method to generate a UUID with go language
...at's the purpose ?
These lines clamp the values of byte 6 and 8 to a specific range. rand.Read returns random bytes in the range 0-255, which are not all valid values for a UUID. As far as I can tell, this should be done for all the values in the slice though.
If you are on linux, you can alterna...
Comparing Dates in Oracle SQL
...re hired after June 20, 1994,
But I get an error saying "JUN' invalid identifier. Please help, thanks!
5 Answers
...
How to recover stashed uncommitted changes
...oing them in the wrong branch. You just want to take the changes you have now and "move" them to another branch.
This is the easy case, described above. Run git stash save (or plain git stash, same thing). Check out the other branch and use git stash apply. This gets git to merge in your earlie...
psql: FATAL: database “” does not exist
...you by the database. Try this at a shell prompt:
createdb
and then see if you can log in again with
psql -h localhost
This will simply create a database for your login user, which I think is what you are looking for. If createdb fails, then you don't have enough rights to make your own data...
How to set up a PostgreSQL database in Django
...
@RedRory Thanks, They're fine now ;)
– Alireza Savand
Dec 4 '13 at 23:38
1
...
Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF
...You can turn on identity insert on the table like this so that you can specify your own identity values.
SET IDENTITY_INSERT Table1 ON
INSERT INTO Table1
/*Note the column list is REQUIRED here, not optional*/
(OperationID,
OpDescription,
FilterID)
VALUES ...
Is DateTime.Now the best way to measure a function's performance?
... existence of high-precision timers.
It is worth mentioning that DateTime.Now often is quite a bit slower than DateTime.UtcNow due to the work that has to be done with timezones, DST and such.
DateTime.UtcNow typically has a resolution of 15 ms. See John Chapman's blog post about DateTime.Now pre...