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Where are my postgres *.conf files?
...ely intend to use prepared transactions.
#work_mem = 1MB # min 64kB
#maintenance_work_mem = 16MB # min 1MB
#max_stack_depth = 2MB # min 100kB
# - Kernel Resource Usage -
#max_files_per_process = 1000 # min 25
# (change requires restart)
#shared...
Creating an empty Pandas DataFrame, then filling it?
...C': 'xyz'}, ignore_index=True)
df.dtypes
A object # yuck!
B float64
C object
dtype: object
Dealing with object columns is never a good thing, because pandas cannot vectorize operations on those columns. You will need to do this to fix it:
df.infer_objects().dtypes
A int64
B fl...
Get statistics for each group (such as count, mean, etc) using pandas GroupBy?
... 0.38 0.18
4 C D 0.12 0.59 0.81 0.66
5 C D -0.13 -1.65 -1.64 0.50
6 C D -1.42 -0.11 -0.18 -0.44
7 E F -0.00 1.42 -0.26 1.17
8 E F 0.91 -0.47 1.35 -0.34
9 G H 1.48 -0.63 -1.14 0.17
First let's use .size() to get the row counts:
In [3]: df.groupby(['c...
Lambda function in list comprehensions
...(map(lambda x: x*x, range(10))) will give you [0, 1, 4, 9, 16, 25, 36, 49, 64, 81]
– rrlamichhane
Jun 12 at 22:58
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Convert HTML to PDF in .NET
...ding it within your C# code,
especially while switching between 32bit and 64bit builds of your
project. Had to try several workarounds including conditional
project building etc. etc. just to avoid "invalid format exceptions"
on different machines.
If you manage your own virtual machine its ok. But...
What is the difference between BIT and TINYINT in MySQL?
...s an 8-bit integer value, a BIT field can store between 1 bit, BIT(1), and 64 bits, BIT(64). For a boolean values, BIT(1) is pretty common.
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fol...
How to inspect the return value of a function in GDB?
...ns to this are functions returning types larger than 32 bits, specifically 64-bit integers (long long), doubles, and structs or classes.
The other exception is if you're not running on an Intel architecture. In that case, you'll have to figure out which register is used, if any.
...
Ubuntu says “bash: ./program Permission denied” [closed]
...
Could it be because computer 2 is 32bit and computer 1 is 64bit? I guess maybe I should just compile it on computer 2. Thank you for your help everyone.
– Kian
Sep 23 '13 at 13:55
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PHPMailer character encoding issues
...ematic with UTF-8 data. To fix this you can do:
$mail->Encoding = 'base64';
Take note that 'quoted-printable' would probably work too in these cases (and maybe even 'binary'). For more details you can read RFC1341 - Content-Transfer-Encoding Header Field.
...
Check for current Node Version
....28.0',
zlib: '1.2.11',
brotli: '1.0.7',
ares: '1.15.0',
modules: '64',
nghttp2: '1.34.0',
napi: '4',
openssl: '1.1.1b',
icu: '64.2',
unicode: '12.1',
cldr: '35.1',
tz: '2019a' }
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