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Concurrent vs serial queues in GCD
...that queue (I could have added another block using async a few seconds previously)
sync - serial: the code runs on a background thread but the main thread waits for it to finish, blocking any updates to the UI. The block can assume that it's the only block running on that queue
Obviously you would...
How to add number of days to today's date? [duplicate]
...ytanya is very nice, but needs a minor but important improvement.
The days param must be parsed as Integer to avoid weird calculations when days is a String like "1". (I needed several hours to find out, what went wrong in my application.)
Date.prototype.addDays = function(days) {
this.setDate(...
python plot normal distribution
...ch='minor', linestyle=':', linewidth=0.5, color='#a6a6a6')
ax.tick_params(which='both', # Options for both major and minor ticks
top=False, # turn off top ticks
left=False, # turn off left ticks
right=False, # turn off ...
ExecutorService that interrupts tasks after a timeout
I'm looking for an ExecutorService implementation that can be provided with a timeout. Tasks that are submitted to the ExecutorService are interrupted if they take longer than the timeout to run. Implementing such a beast isn't such a difficult task, but I'm wondering if anybody knows of an existi...
Removing carriage return and new-line from the end of a string in c#
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Take note of the params keyword in the declaration of TrimEnd, it let's you pass multiple instances of a character instead of the array. msdn.microsoft.com/en-us/library/w5zay9db(VS.71).aspx
– JP Alioto
...
How to embed a video into GitHub README.md?
...thread "Embed YouTube videos in markdown files" stated:
With pages.github.io, yes, everywhere else, no.
(Note: as detailed in "Github Top-Level Project Page", github.io is the new domain for user and organization pages since April 2013.
The page GitHub publication is presented here)
This could be ...
How to upload a file to directory in S3 bucket using boto
...AWS_SECRET_ACCESS_KEY)
bucket = conn.create_bucket(bucket_name,
location=boto.s3.connection.Location.DEFAULT)
testfile = "replace this with an actual filename"
print 'Uploading %s to Amazon S3 bucket %s' % \
(testfile, bucket_name)
def percent_cb(complete, total):
sys.stdout.write('.'...
How do I set up a simple delegate to communicate between two view controllers?
...hildViewController.h
#import <UIKit/UIKit.h>
// 1. Forward declaration of ChildViewControllerDelegate - this just declares
// that a ChildViewControllerDelegate type exists so that we can use it
// later.
@protocol ChildViewControllerDelegate;
// 2. Declaration of the view controller class,...
Strange SQLAlchemy error message: TypeError: 'dict' object does not support indexing
...c.execute("SELECT * FROM t WHERE a = %s")
In other words, if you provide parameter (%s) in query, but you forget to add query params. In this case error message is very misleading.
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AngularJS $location not changing the path
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me too, $location.path() does not redirect when url has params
– Sudhakar
Jan 14 '16 at 0:02
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