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Use dynamic (variable) string as regex pattern in JavaScript
...d the answer to my own problem.
I wanted to edit a database configuration file (datastax cassandra) from a node application in javascript and for one of the settings in the file I needed to match on a string and then replace the line following it.
This was my solution.
dse_cassandra_yaml='/etc/...
java get file size efficiently
While googling, I see that using java.io.File#length() can be slow.
FileChannel has a size() method that is available as well.
...
How to update gradle in android studio?
...
Step 1 (Use default gradle wrapper)
File→Settings→Build, Execution, Deployment→Build Tools→Gradle→Use default Gradle wrapper (recommended)
Step 2 (Select desired gradle version)
File→Project Structure→Project
The following table shows compatibil...
Docker build “Could not resolve 'archive.ubuntu.com'” apt-get fails to install anything
I've been trying to run Docker build on various files which previously worked before, which are now no longer working.
14 A...
How to get an MD5 checksum in PowerShell
...tring($md5.ComputeHash($utf8.GetBytes($someString)))
If the content is a file:
$someFilePath = "C:\foo.txt"
$md5 = New-Object -TypeName System.Security.Cryptography.MD5CryptoServiceProvider
$hash = [System.BitConverter]::ToString($md5.ComputeHash([System.IO.File]::ReadAllBytes($someFilePath)))
...
Saving a Numpy array as an image
...cipy. An alternative a few comments below is to use imageio.imwrite('image_file.jpg', array)
– Psi-Ed
May 3 at 6:17
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How to use Git Revert
...tes a new commit that is the opposite of an existing commit.
It leaves the files in the same state as if the commit that has been reverted never existed. For example, consider the following simple example:
$ cd /tmp/example
$ git init
Initialized empty Git repository in /tmp/example/.git/
$ echo "In...
Where is debug.keystore in Android Studio
...
EDIT
Step 1) Go to File > Project Structure > select project > go to "signing" and select your default or any keystore you want and fill all the details. In case you are not able to fill the details, hit the green '+' button. I've high...
How to git bundle a complete repo
...fer a complete repo to a new non-networked machine, preferable as a single file entity. The git bundle allows a git fetch , git pull style operation in a sneakernet environment but appears to assume that you already have a working version of the repo on the destination machine.
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Why am I getting this error: No mapping specified for the following EntitySet/AssociationSet - Entit
...iate them and so forth and yet, if you take a look at the SSDL on the EDMX file, you will see that none of the entities have an associated storage table in the SSDL.
That changes when you click the Generate Database From Model context menu item. The confusing part is that this action does more than...