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Check synchronously if file/directory exists in Node.js
...; it throws an error if the entry doesn't exist at all.
If you don't care what the entry is and only want to know whether it exists, you can use path.existsSync (or with latest, fs.existsSync) as noted by user618408:
var path = require('path');
if (path.existsSync("/the/path")) { // or fs.existsSy...
Trim last character from a string
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"Hello! world!".TrimEnd('!');
read more
EDIT:
What I've noticed in this type of questions that quite everyone suggest to remove the last char of given string. But this does not fulfill the definition of Trim method.
Trim - Removes all occurrences of
white space cha...
Why should I not wrap every block in “try”-“catch”?
...ething specified by your library interface to reduce coupling (this may be what you mean by "federated solution", but I am not familiar with that term).
– rmeador
Apr 29 '10 at 14:18
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How do I import a Swift file from another Swift file?
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But what to do with my project name "Wildlife League", which has space in it?
– allenlinli
Jul 8 '14 at 10:36
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Mixing a PHP variable with a string literal
...red. Calling functions in the middle of preparing your output it often not what you want. Consider calling the function first, storing the result in a variable and then you can include it in the string echo "like so: $var";.
– Jochem Kuijpers
Jul 13 '18 at 1:21...
Real world use cases of bitwise operators [closed]
What are some real world use cases of the following bitwise operators?
41 Answers
41
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How can I get zoom functionality for images?
...aggy? I set a max zoom factor of 1.05 at the beginning of onScale. Is this what you're talking about? If not, try the following: 1. Are you in debug mode? This would slow it down significantly. 2. What size images are you setting. I didn't test with very large (8mp) images, but this might slow it do...
Do we need type=“text/css” for in HTML5 [duplicate]
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and what will happen if I also don't add rel="stylesheet"?
– Jitendra Vyas
Oct 10 '11 at 16:51
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Finding Key associated with max Value in a Java Map
What is the easiest way to get key associated with the max value in a map?
16 Answers
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What to gitignore from the .idea folder?
I started using WebStorm 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 ofte...