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How to remove line breaks from a file in Java?
...n I replace all line breaks from a string in Java in such a way that will work on Windows and Linux (ie no OS specific problems of carriage return/line feed/new line etc.)?
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Locking pattern for proper use of .NET MemoryCache
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This is my 2nd iteration of the code. Because MemoryCache is thread safe you don't need to lock on the initial read, you can just read and if the cache returns null then do the lock check to see if you need to create the string. It greatly simplifies the code.
const string...
ld cannot find an existing library
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The problem is the linker is looking for libmagic.so but you only have libmagic.so.1
A quick hack is to symlink libmagic.so.1 to libmagic.so
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what does npm -D flag mean?
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The -D flag is the shortcut for: --save-dev. Source: https://docs.npmjs.com/cli/install
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Emulate a do-while loop in Python?
I need to emulate a do-while loop in a Python program. Unfortunately, the following straightforward code does not work:
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ASP.NET MVC return empty view
What is the most natural way to return an empty ActionResult (for child action)?
3 Answers
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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
Every time I mention slow performance of C++ standard library iostreams, I get met with a wave of disbelief. Yet I have profiler results showing large amounts of time spent in iostream library code (full compiler optimizations), and switching from iostreams to OS-specific I/O APIs and custom buffer...
Boost Statechart vs. Meta State Machine
Apparently boost contains two separate libraries for state machines: Statechart and Meta State Machine (MSM). The taglines give very similar descriptions:
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Referencing another schema in Mongoose
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It sounds like the populate method is what your looking for. First make small change to your post schema:
var postSchema = new Schema({
name: String,
postedBy: {type: mongoose.Schema.Types.ObjectId, ref: 'User'},
dateCreated: Date,
comments: [{body:"string", by: mo...
How to remove folders with a certain name
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If the target directory is empty, use find, filter with only directories, filter by name, execute rmdir:
find . -type d -name a -exec rmdir {} \;
If you want to recursively delete its contents, replace -exec rmdir {} \; by -delete or -prune -...