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Call one constructor from another
...method other than the constructor example init(). You can call this method from any of your constructors.
– Abdullah Shoaib
Aug 4 '16 at 7:35
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How to do version numbers? [closed]
...e? Less of an R&D decision and more a product decision.
minor: Starts from 0 whenever major is incremented. +1 for every version that goes public.
release: Every time you hit a development milestone and release the product, even internally (e.g. to QA), increment this. This is especially impor...
Generics in C#, using type of a variable as parameter [duplicate]
...s not enough information, ask a new question - it's sufficiently different from this one that pursuing it in comments isn't ideal.
– Jon Skeet
May 10 '13 at 21:11
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How to delete multiple buffers in Vim?
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:3,5bd[elete]
Will delete buffer range from 3 to 5 .
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Combined area of overlapping circles
... You'll need to subtract the center connected polygon for the hole from the total and add the circle slices for that polygon to the total.
– Ants Aasma
Nov 3 '09 at 15:03
3...
The key must be an application-specific resource id
...atic final int TAG_ONLINE_ID = 1 + 2 << 24;
should work. More info from ceph3us:
The specified key should be an id declared in the resources of the
application to ensure it is unique Keys identified as belonging to the
Android framework or not associated with any package will cause a...
datetime dtypes in pandas read_csv
...ou might try passing actual types instead of strings.
import pandas as pd
from datetime import datetime
headers = ['col1', 'col2', 'col3', 'col4']
dtypes = [datetime, datetime, str, float]
pd.read_csv(file, sep='\t', header=None, names=headers, dtype=dtypes)
But it's going to be really hard to ...
What is thread safe or non-thread safe in PHP?
...ways choose non-thread safe version because I always use nginx, or run PHP from the command line.
The non-thread safe version should be used if you install PHP as a CGI binary, command line interface or other environment where only a single thread is used.
A thread-safe version should be used if y...
Is there a standard sign function (signum, sgn) in C/C++?
... ints, floats, doubles, unsigned shorts, or any custom types constructible from integer 0 and orderable.
Fast! copysign is slow, especially if you need to promote and then narrow again. This is branchless and optimizes excellently
Standards-compliant! The bitshift hack is neat, but only works for so...
Defining an abstract class without any abstract methods
...e if derivations of that class will have different contractual obligations from those of other derivations of the parent.
– supercat
Dec 29 '13 at 16:41
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