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Visual Studio debugging “quick watch” tool and lambda expressions
...sions, which take the form .Where("Id = @0", 2) - it doesn't have the full range of methods available in standard Linq, and doesn't have the full power of lambda expressions, but still, it's better than nothing!
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...
Create numpy matrix filled with NaNs
...etup=lambda n: n,
kernels=[fill, colon, full, ones_times, list],
n_range=[2 ** k for k in range(20)],
logx=True,
logy=True,
xlabel="len(a)",
)
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...
Configure WAMP server to send email
...e Message (great for HTML emails), Headers, Body (to inspect the HTML) and Raw (full unparsed email).
It also has a Sections view, to split up the different media types found in the email.
It has a super clean and friendly UI, a good log viewer and gives you notifications when you receive an email...
How to request a random row in SQL?
...xed. One caveat: this assumes that num_value is equally distributed in the range 0..MAX(num_value). If your dataset strongly deviates from this assumption, you will get skewed results (some rows will appear more often than others).
...
Invalid default value for 'create_date' timestamp field
...
TIMESTAMP has a range of '1970-01-01 00:00:01' UTC to '2038-01-19 03:14:07' UTC (see doc). The default value must be within that range.
Other odd, related, behavior:
CREATE TABLE tbl1 (
ts TIMESTAMP);
Query OK, 0 rows affected (0....
random.seed(): What does it do?
...erstand random.seed() importance
import random
random.seed(10)
for i in range(5):
print(random.randint(1, 100))
Execute the above program multiple times...
1st attempt: prints 5 random integers in the range of 1 - 100
2nd attempt: prints same 5 random numbers appeared in the above exe...
How to install the current version of Go in Ubuntu Precise
...h:
sudo apt-get install bison mercurial
bash < <(curl -LSs 'https://raw.githubusercontent.com/moovweb/gvm/master/binscripts/gvm-installer')
. "$HOME/.gvm/scripts/gvm"
and then it's as easy as doing this:
gvm install go1.1.1
gvm use go1.1.1 --default
The default flag at the end of the sec...
How to change language settings in R
... that interact in complex and intransparent ways.
– 0range
Mar 31 at 13:27
@0range did you try cd \ and dir Rconsole ...
What is the maximum length of latitude and longitude? [closed]
...to 6 decimal places for 10 cm (or 0.1 meter) precision.
Overview
The valid range of latitude in degrees is -90 and +90 for the southern and northern hemisphere respectively. Longitude is in the range -180 and +180 specifying coordinates west and east of the Prime Meridian, respectively.
For referenc...
Pinging servers in Python
...sing this module, you need root access due to the fact that it is crafting raw packets under the hood.
import pyping
r = pyping.ping('google.com')
if r.ret_code == 0:
print("Success")
else:
print("Failed with {}".format(r.ret_code))
...