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Using the field of an object as a generic Dictionary key
...You might want to start with the Equals-Method and then (in GetHashCode()) xor the hash code of every member you compare in Equals.
public class Foo {
public string A;
public string B;
override bool Equals(object other) {
var otherFoo = other as Foo;
if (otherFo...
Compare two data.frames to find the rows in data.frame 1 that are not present in data.frame 2
...id2 = c("Maz", "Maz", "Dat", "Hor", "Dus", "Mer"),
hp = c(110, 110, 181, 110, 245, 62),
cyl = c(6, 6, 4, 6, 8, 4),
qsec = c(16.46, 17.02, 33.00, 19.44, 15.84, 20.00))
df2 = data.frame(id1 = c("Mazda RX4", "Mazda RX4 Wag", "Datsun 710",
...
Check if at least two out of three booleans are true
...
Just for the sake of using XOR to answer a relatively straight-forward problem...
return a ^ b ? c : a
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Navigation in django
...t's it.
for implementation details have a look at:
gnuvince.wordpress.com
110j.wordpress.com
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Call PowerShell script PS1 from another PS1 script inside Powershell ISE
...lArgs= "/i", "$PSScriptRoot\googlechromestandaloneenterprise64_v.57.0.2987.110.msi", "/q", "/norestart", "/L*v `"C:\Windows\Logs\Google_Chrome_57.0.2987.110_Install_x64.log`""
Start-Process -FilePath msiexec -ArgumentList $ChromeInstallArgs -Wait -ErrorAction Stop
$Result= [System.Environmen...
Python: Making a beep noise
...
OR
$ beep -f 659 -l 460 -n -f 784 -l 340 -n -f 659 -l 230 -n -f 659 -l 110 -n -f 880 -l 230 -n -f 659 -l 230 -n -f 587 -l 230 -n -f 659 -l 460 -n -f 988 -l 340 -n -f 659 -l 230 -n -f 659 -l 110 -n -f 1047-l 230 -n -f 988 -l 230 -n -f 784 -l 230 -n -f 659 -l 230 -n -f 988 -l 230 -n -f 1318 -l 230...
pandas dataframe columns scaling with sklearn
...00,90.20,90.95,96.27,91.21],
'B':[103.02,107.26,110.35,114.23,114.68],
'C':['big','small','big','small','small']})
>>> dfTest[['A', 'B']] = scaler.fit_transform(dfTest[['A', 'B']])
>>> dfTest
A B C
0 0....
The builds tools for v120 (Platform Toolset = 'v120') cannot be found
.../en.wikipedia.org/wiki/Visual_C++
You are using Visual C++ 2012 which is v110. v120 means Visual C++ 2013.
So either you change the project settings to use toolset v110, or you install Visual Studio 2013 on this machine and use VS2013 to compile it.
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Android:What is difference between setFlags and addFlags for intent
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// value of flags: 1
intent.setFlags(2|4);
// now flags have this value: 110
intent.addFlags(8);
// now flags have this value: 1110
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With Mercurial, how can I “compress” a series of changesets into one before pushing?
...an do it with patches:
Let's assume your work is in changesets 100 through 110, inclusive
Create a patch:
% hg export -o mypatch 100:110 --git
Update to 99:
% hg update 99
Apply the patch with --no-commit (otherwise you'll get all your changesets back):
% hg import --no-commit mypatch
Commit al...