How to split column into two in R using separate
Specify the separating character But, extract looks cleaner for this since you can remove the “()” at the same time
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What is {{.}} in mustache?
In Mustache, {{.}} is a special tag referring to the value at the top of the context stack. If you’re looping through an array, it is the current element. If you’re rendering a section with an object as context, it refers to that object. So if your data looks like this: … and you’ve got a template like … Read more
How does CheatEngine’s speed hack work?
Three years later, I think I know enough to answer my own question. 🙂 A computer program usually communicates with the kernel using predefined functions called system calls. Each OS has a different set of calls but often they do similar things like — allocating memory, reading and writing files, or handling processes. According to this … Read more
Why git asks to enter a commit message to explain why this merge is necessary
From Git Documentation: Incorporates changes from a remote repository into the current branch. In its default mode, git pull is shorthand for git fetch followed by git merge FETCH_HEAD As to your question about: WHY Why is Git creating a MERGE commit: That is the default behavior of git pull. There are lots of explanation of this behavior … Read more
XPath contains(text(),’some string’) doesn’t work when used with node with more than one Text subnode
The <Comment> tag contains two text nodes and two <br> nodes as children. Your xpath expression was To break this down, * is a selector that matches any element (i.e. tag) — it returns a node-set. The [] are a conditional that operates on each individual node in that node set. It matches if any of the individual nodes it operates on … Read more
C++ Error: ISO C++ Forbids Comparison Between Pointer and Integer [-fpermissive]
I am a beginner C++ Programmer With Very little knowledge about C++. I Have Been Creating a Program on The IDE and Compiler: Dev-C++ 5.6.3. I have run into this error: ISO C++ Forbids Comparison Between Pointer and Integer [-fpermissive]. I don’t know what it means.
git : Pull is not possible because you have unmerged files
I am using php-git client to pull branches in my php script. and whenever i do checkout from master to testing i get following error. my files are on bitbucket server. and i add/modify files on bitbucket and commit there. I dont understand , I dont mofify anything on my local machine, still i get … Read more
Xcode build failure “Undefined symbols for architecture x86_64”
It looks like you are missing including the IOBluetooth.framework in your project. You can add it by: Clicking on your project in the upper left of the left pane (the blue icon). In the middle pane, click on the Build Phases tab. Under “Link Binary With Libraries”, click on the plus button. Find the IOBluetooth.framework … Read more
Regex lookahead, lookbehind and atomic groups
Examples Given the string foobarbarfoo: You can also combine them: Definitions Look ahead positive (?=) Find expression A where expression B follows: Look ahead negative (?!) Find expression A where expression B does not follow: Look behind positive (?<=) Find expression A where expression B precedes: Look behind negative (?<!) Find expression A where expression B does not precede: Atomic … Read more
What’s the purpose of git-mv?
is just shorthand for: i.e. it updates the index for both old and new paths automatically.