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What is :: (double colon) in Python when subscripting sequences?
I know that I can use something like string[3:4] to get a substring in Python, but what does the 3 mean in somesequence[::3] ?
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How do you create a dictionary in Java? [closed]
... way, you actually don't need to include <String, String> the second time. You can just do Map<String, String> map = new HashMap<>();
– Samuel Noyes
Apr 6 '16 at 15:12
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Which cryptographic hash function should I choose?
... one wins the intergalactic lottery, ever.
But ... MD5 is broken
Sometimes the fact that its broken does not matter.
As it stands there are no known pre-image or second pre-image attacks on MD5.
So what is so broken about MD5, you may ask? It is possible for a third party to generate 2 mess...
Display two files side by side
How can 2 unsorted text files of different lengths be display side by side (in columns) in a shell
9 Answers
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How to check if a file is a valid image file?
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A lot of times the first couple chars will be a magic number for various file formats. You could check for this in addition to your exception checking above.
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How to check whether a string is a valid HTTP URL?
There are the Uri.IsWellFormedUriString and Uri.TryCreate methods, but they seem to return true for file paths etc.
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How to get HTTP Response Code using Selenium WebDriver
...s/wws/webpage1.html","initiator":{"type":"other"},"loaderId":"3928.1","wallTime":1.47619492749007E9,"type":"Document","timestamp":20226.652971}}}
{"webview":"3b8eaedb-bd0f-4baa-938d-4aee4039abfe","message":{"method":"Network.responseReceived","params":{"frameId":"3928.1","requestId":"3928.1","re...
NHibernate vs LINQ to SQL
...tructure. For simple applications, this is perfectly acceptable (and oftentimes even preferable), but for more complex applications devs will often suggest using a domain driven design pattern instead (which is what NHibernate facilitates).
The problem with the table-per-class pattern is that your...
Can Selenium Webdriver open browser windows silently in background?
...a disappointment since the Chrome's headless mode achieves > 30% better time than the UI one. The other headless driver PhantomJS delivers 34.92% better than the Chrome's headless mode. Surprisingly for me, the Edge browser beats all of them.
var options = new FirefoxOptions();
options.AddArgum...
How to output only captured groups with sed?
Is there any way to tell sed to output only captured groups? For example given the input:
8 Answers
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