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Conditional Variable vs Semaphore
...ne calls the semaphore down() method to take a soda. This will grab a soda from the machine and decrement the count of available sodas by 1. If there are sodas available, the code will just keep running past the down() statement without a problem. If no sodas are available, the thread will sleep he...
Java String split removed empty values
...
split(delimiter) by default removes trailing empty strings from result array. To turn this mechanism off we need to use overloaded version of split(delimiter, limit) with limit set to negative value like
String[] split = data.split("\\|", -1);
Little more details:
split(regex) inter...
Express: How to pass app-instance to routes from a different file?
...) method!
documentation - http://expressjs.com/4x/api.html#router
Example from their new generator:
Writing the route: https://github.com/expressjs/generator/blob/master/templates/js/routes/index.js
Adding/namespacing it to the app:
https://github.com/expressjs/generator/blob/master/templates/js/ap...
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_...
What is the difference between server side cookie and client side cookie?
... example:
GET /index.html HTTP/1.1
Host: www.example.com
Example answer from the server:
HTTP/1.1 200 OK
Content-type: text/html
Set-Cookie: foo=10
Set-Cookie: bar=20; Expires=Fri, 30 Sep 2011 11:48:00 GMT
... rest of the response
Here two cookies foo=10 and bar=20 are stored on the browser. ...
How to execute more than one maven command in bat file?
...'s also figuring out a similar problem of building multiple maven projects from a batch file in Windows:
REM maven itself uses a batch file so each mvn must be preceded by "call"
REM the -f flag specifies where the pom.xml is found for the project
REM mvn install will save the target output to %use...
How to pass a URI to an intent?
...he Uri class implements Parcelable, so you can add and extract it directly from the Intent
// Add a Uri instance to an Intent
intent.putExtra("imageUri", uri);
// Get a Uri from an Intent
Uri uri = intent.getParcelableExtra("imageUri");
You can use the same method for any objects that implement ...
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...
Search and replace in bash using regular expressions
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Thanks so much! Out of curiosity, why did you switch from a one line version (in your original answer) to a two-liner?
– Lanaru
Oct 24 '12 at 5:30
9
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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...