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Check synchronously if file/directory exists in Node.js
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You can use fs.existsSync():
const fs = require("fs"); // Or `import fs from "fs";` with ESM
if (fs.existsSync(path)) {
// Do something
}
It was deprecated for several years, but no longer is. From the docs:
Note that fs.exists() is deprecated, but fs.existsSync() is not. (The
callbac...
How to get the cuda version?
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As Jared mentions in a comment, from the command line:
nvcc --version
(or /usr/local/cuda/bin/nvcc --version) gives the CUDA compiler version (which matches the toolkit version).
From application code, you can query the runtime API version with
cuda...
Creating an empty Pandas DataFrame, then filling it?
I'm starting from the pandas DataFrame docs here: http://pandas.pydata.org/pandas-docs/stable/dsintro.html
5 Answers
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How to create a multi-tenant database with shared table structures?
...ng
other solutions.
This is unfortunate, as customers sometimes suffer from a misconception that only physical isolation can offer enough security.
There is an interesting MSDN article, titled Multi-Tenant Data Architecture, which you may want to check. This is how the authors addressed the mis...
Repeat string to certain length
... Python 2.2. You only have to use it in Python 3 (or in modules that have from __future__ import division) but you can use it regardless.
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Java Annotations
...es, determine the memory layout of structures and declare function imports from legacy libraries (among others). They also control how the IDE form designer works.
/EDIT: Attributes on classes are comparable to tag interfaces (like Serializable in Java). However, the .NET coding guidelines say not ...
Internal vs. Private Access Modifiers
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internal is for assembly scope (i.e. only accessible from code in the same .exe or .dll)
private is for class scope (i.e. accessible only from code in the same class).
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What to gitignore from the .idea folder?
...bStorm for web development and am not sure what to add and what to exclude from our Git repository. Clearly some files inside the .idea folder are meant to be version controlled like the external library settings ( jsLibraryMappings.xml ) but others will probably change very often and are develope...
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
...? there is an app called SayText where this detection happens in real-time from a video stream. This code would be impractical for real-time, am I right?
– alandalusi
Nov 27 '12 at 17:34
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Safely remove migration In Laravel
... files: composer dump-autoload
Modify your database: Remove the last entry from the migrations table
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