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Regular Expression: Any character that is NOT a letter or number
...ng str.replace(/[^\w]/);
It will replace all the non-alphabets and numbers from your string!
Edit 1: str.replace(/[^\w]/g, ' ')
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Node.js throws “btoa is not defined” error
...eed to convert to Base64 you could do so using Buffer:
console.log(Buffer.from('Hello World!').toString('base64'));
Reverse (assuming the content you're decoding is a utf8 string):
console.log(Buffer.from(b64Encoded, 'base64').toString());
Note: prior to Node v4, use new Buffer rather than B...
How do you rename a MongoDB database?
...
How is this different from the solution provided by the OP?
– Salvador Dali
Apr 3 '14 at 3:26
6
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What is object serialization?
...when you want to transmit one object data across the network, for instance from one JVM to another.
In Java, the serialization mechanism is built into the platform, but you need to implement the Serializable interface to make an object serializable.
You can also prevent some data in your object fr...
When would you use .git/info/exclude instead of .gitignore to exclude files?
...ln file already in your repo? Then exclude or .ignore will not prevent git from tracking it's changes. Try one of the following: git rm --cached <path-name> will delete it from the repository, but keep it locally. git update-index --skip-worktree <path-name> will ignore changes to the...
Django FileField with upload_to determined at runtime
...deconstructible decorator.
import datetime
import os
import unicodedata
from django.core.files.storage import default_storage
from django.utils.deconstruct import deconstructible
from django.utils.encoding import force_text, force_str
@deconstructible
class UploadToPath(object):
def __init_...
Storing custom objects in an NSMutableArray in NSUserDefaults
...[[NSMutableArray alloc] init];
}
You should check that the data returned from the user defaults is not nil, because I believe unarchiving from nil causes a crash.
Archiving is simple, using the following code:
[[NSUserDefaults standardUserDefaults] setObject:[NSKeyedArchiver archivedDataWithRoot...
Git, How to reset origin/master to a commit?
...mind that it will make unhappy those people who already pulled the commits from master.
– mnagel
Jul 16 '13 at 6:13
I ...
Soft hyphen in HTML ( vs. ­)
...of IE (10 or 11) and doesn't work properly in Edge.
When copied and pasted from browsers: (tested 2015) as expected for &shy; and &#173; for Chrome and Firefox on Mac, on Windows (10), it keeps the characters and pastes hard hyphens into Notepad and invisible soft hyphens into applications t...
Can I get chrome-devtools to actually search all JS sources?
...e internal browser API, you enable it in the Settings of DevTools and then from any panel in DevTools you can type Ctrl + Shift + F or (on Mac) Options + Command + F (⌥⌘F) to search across all sources, snippets, and files.
Even more helpful to what you may be needing is to set up a Workspace in...