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recursion versus iteration
...where recursion is used a for loop could be used? And if recursion is usually slower what is the technical reason for ever using it over for loop iteration?
...
Numpy `logical_or` for more than two arguments
... no, as the docs explicitly say, the only parameters are x1, x2, and optionally out:
numpy.logical_or(x1, x2[, out]) = <ufunc 'logical_or'>
You can of course chain together multiple logical_or calls like this:
>>> x = np.array([True, True, False, False])
>>> y = np.a...
How can you find and replace text in a file using the Windows command-line environment?
... comes with PowerShell built-in. Here is the script I used to find/replace all instances of text in a file:
powershell -Command "(gc myFile.txt) -replace 'foo', 'bar' | Out-File -encoding ASCII myFile.txt"
To explain it:
powershell starts up powershell.exe, which is included in Windows 7
-Command ...
Push origin master error on new repository
... not mention the "git commit -m 'first commit'" command. Once I used that, all was fine!
– Pascal Lindelauf
Sep 1 '09 at 13:55
3
...
Inheriting constructors
...explicit A(int x) {}
};
class B: public A
{
using A::A;
};
This is all or nothing - you cannot inherit only some constructors, if you write this, you inherit all of them. To inherit only selected ones you need to write the individual constructors manually and call the base constructor as nee...
Which machine learning classifier to choose, in general? [closed]
...
First of all, you need to identify your problem. It depends upon what kind of data you have and what your desired task is.
If you are Predicting Category :
You have Labeled Data
You need to follow Classification A...
Return Boolean Value on SQL Select Statement
...
What you have there will return no row at all if the user doesn't exist. Here's what you need:
SELECT CASE WHEN EXISTS (
SELECT *
FROM [User]
WHERE UserID = 20070022
)
THEN CAST(1 AS BIT)
ELSE CAST(0 AS BIT) END
...
How to split last commit into two in Git
...dex, then commit them. Then commit the
rest.
You can use "git add" to put all changes made in a file to the index. If you
don't want to stage every modification made in a file, only some of them, you
can use "git add -p".
Let's see an example. Let's suppose I had a file called myfile, which contai...
How to give ASP.NET access to a private key in a certificate in the certificate store?
...Local Computer" account. Best to use Certificates MMC. Make sure to check "Allow private key to be exported"
Based upon which, IIS 7.5 Application Pool's identity use one of the following.
IIS 7.5 Website is running under ApplicationPoolIdentity. Open MMC => Add Certificates (Local computer) sn...
Can I recover a branch after its deletion in Git?
... sha of the commit found using a command like that (it creates a file with all the dangling commits):
git fsck --full --no-reflogs --unreachable --lost-found | grep commit | cut -d\ -f3 | xargs -n 1 git log -n 1 --pretty=oneline > .git/lost-found.txt
If you should use it more than one time ...