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What are sessions? How do they work?
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Because HTTP is stateless, in order to associate a request to any other request, you need a way to store user data between HTTP requests.
Cookies or URL parameters ( for ex. like http://example.com/myPage?asd=lol&boo=no ) are both suitable ways to ...
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...
Updating a local repository with changes from a GitHub repository
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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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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...
BeautifulSoup Grab Visible Webpage Text
...t. I can't figure out the arguments I need for the function findAll() in order to just get the visible texts on a webpage.
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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 ...
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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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...
Is there an XSLT name-of element?
...ay belong to two different namespaces, one must use the name() function in order for these names to be still distinguished.
And, BTW, it is possible to specify both functions without any argument:
name() is an abbreviation for name(.)
local-name() is an abbreviation for local-name(.)
Finally, d...
Make a link in the Android browser start up my app?
...any absurd pages. I've learned that to make your app browsable, change the order of the XML elements, this this:
<activity
android:name="com.example.MianActivityName"
android:label="@string/title_activity_launcher">
<intent-filter>
<action android:name="android.i...