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How to read json file into java with simple JSON library
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edited Mar 29 '16 at 17:01
tinlyx
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answered...
What makes a SQL statement sargable?
...ction for every row of the table. Much better to use:
WHERE myDate >= '01-01-2008' AND myDate < '01-01-2009'
Some other examples:
Bad: Select ... WHERE isNull(FullName,'Ed Jones') = 'Ed Jones'
Fixed: Select ... WHERE ((FullName = 'Ed Jones') OR (FullName IS NULL))
Bad: Select ... WHERE SU...
Regular expression to match DNS hostname or IP Address?
...o match a valid IP address use the following regex:
(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}
instead of:
([01]?[0-9][0-9]?|2[0-4][0-9]|25[0-5])(\.([01]?[0-9][0-9]?|2[0-4][0-9]|25[0-5])){3}
Explanation
Many regex engine match the first possibility in ...
`find -name` pattern that matches multiple patterns
...ld up
– Jasper Blues
Jan 4 '14 at 8:01
40
You need to surround the two -names with brackets, if y...
How to convert local time string to UTC?
...Source code, using local timezone "America/Los_Angeles", for the string "2001-2-3 10:11:12":
import pytz, datetime
local = pytz.timezone ("America/Los_Angeles")
naive = datetime.datetime.strptime ("2001-2-3 10:11:12", "%Y-%m-%d %H:%M:%S")
local_dt = local.localize(naive, is_dst=None)
utc_dt = local...
Convert from MySQL datetime to another format with PHP
...-d H:i:s".
– Rikki
Jan 10 '14 at 17:01
7
does not work for who? Accepted answer will work if you ...
Padding characters in printf
...
answered Dec 10 '10 at 15:01
Paused until further notice.Paused until further notice.
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Enabling HTTPS on express.js
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– Marcelo Teixeira Ruggeri
May 3 '14 at 1:01
5
express 4 it doesn't work, it works for localhost:80 but...
How to get the nvidia driver version from the command line?
...smi should tell you that:
bwood@mybox:~$ nvidia-smi
Mon Oct 29 12:30:02 2012
+------------------------------------------------------+
| NVIDIA-SMI 3.295.41 Driver Version: 295.41 |
|-------------------------------+---------------------...
Find if current time falls in a time range
...w TimeSpan(11,59,0) <= currentTime.TimeOfDay && new TimeSpan(13,01,0) >= currentTime.TimeOfDay)
{
//match found
}
if you really want to parse a string into a TimeSpan, then you can use:
TimeSpan start = TimeSpan.Parse("11:59");
TimeSpan end = TimeSpan.Parse("13:01");
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