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What is the difference between Amazon SNS and Amazon SQS?
...em manually.
You also have FIFO SQS queues, which guarantee the delivery order of the messages. This is not a supported trigger by Lambda, thus when choosing this type of Queue, keep in mind that polling is still necessary as well as having to delete the messages manually.
Even though there's som...
What does 'require: false' in Gemfile mean?
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In order to require gems in your Gemfile, you will need to call Bundler.require.
You can prevent bundler from requiring the gem with require: false, but it will still install and maintain the gem. Check this out for a more det...
How to convert the background to transparent? [closed]
... image around in your browser for visibility,
the gray background and the border is not part of the image]
File menu/Save Image
GIF/PNG/ICO image file formats support transparency, JPG doesn't!
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Delegates in swift?
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you need to declare protocol like this in order to make weak reference possible for delegate protocol FooTwoViewControllerDelegate:class{}
– codingrhythm
Nov 23 '14 at 2:35
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Secure Web Services: REST over HTTPS vs SOAP + WS-Security. Which is better? [closed]
...f REST and SOAP (REST for read-only data access, SOAP for the rest) and in order to avoid using different security schemes has decided to use WS-Sec for both. They are doing this by putting the WS-Sec header information into the HTTP headers for the REST calls. Their security intermediary knows ho...
How do I efficiently iterate over each entry in a Java Map?
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Yes, the order depends on the specific Map implementation.
@ScArcher2 has the more elegant Java 1.5 syntax. In 1.4, I would do something like this:
Iterator entries = myMap.entrySet().iterator();
while (entries.hasNext()) {
Entry ...
How to get the type of a variable in MATLAB?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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correct way to use super (argument passing)
...(arg = 10)? I don't like this method, I need to know the MRO in advance in order to use it. The other method where I write a "root class" that inherits from object seems much cleaner.
– cha0site
Jan 23 '12 at 14:20
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Could not open a connection to your authentication agent
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@DanielM: SSH needs two things in order to use ssh-agent: an ssh-agent instance running in the background, and an environment variable set that tells SSH which socket it should use to connect to the agent (SSH_AUTH_SOCK IIRC). If you just run ssh-agent then t...
How do I remove leading whitespace in Python?
....lstrip()
'hello world!'
Edit
As balpha pointed out in the comments, in order to remove only spaces from the beginning of the string, lstrip(' ') should be used:
>>> ' hello world with 2 spaces and a tab!'.lstrip(' ')
'\thello world with 2 spaces and a tab!'
Related question:
Trim...