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In Python, how do you convert a `datetime` object to seconds?
...datetime(1970,1,1)).total_seconds()
1256083200.0
The starting date is usually specified in UTC, so for proper results the datetime you feed into this formula should be in UTC as well. If your datetime isn't in UTC already, you'll need to convert it before you use it, or attach a tzinfo class that ...
Open-Source Examples of well-designed Android Applications? [closed]
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All of the applications delivered with Android (Calendar, Contacts, Email, etc) are all open-source, but not part of the SDK. The source for those projects is here: https://android.googlesource.com/ (look at /platform/packag...
newline in [duplicate]
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This should really be voted up higher. No need to get a jQuery plugin. This plus some extra styling and positioning should be a fantastic option for anybody. I'm going to use it right now, working for a gigantor company that you all know.
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Can I restore deleted files (undo a `git clean -fdx`)?
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No. Those files are gone.
(Just checked on Linux: git clean calls unlink(), and does not backup up anything beforehand.)
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Java time-based map/cache with expiring keys [closed]
...any of you know of a Java Map or similar standard data store that automatically purges entries after a given timeout? This means aging, where the old expired entries “age-out” automatically.
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How to generate and validate a software license key?
...g a product (developed in C#) that'll be available for downloading and installing for free but in a very limited version. To get access to all the features the user has to pay a license fee and receive a key. That key will then be entered into the application to "unlock" the full version.
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How can I pass arguments to a batch file?
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Another useful tip is to use %* to mean "all". For example:
echo off
set arg1=%1
set arg2=%2
shift
shift
fake-command /u %arg1% /p %arg2% %*
When you run:
test-command admin password foo bar
the above batch file will run:
fake-command /u admin /p password adm...
release Selenium chromedriver.exe from memory
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per the Selenium API, you really should call browser.quit() as this method will close all windows and kills the process. You should still use browser.quit().
However: At my workplace, we've noticed a huge problem when trying to execute chromedriver...
Pointers in C: when to use the ampersand and the asterisk?
... work differently when you're working with arrays, strings or when you're calling functions with a pointer copy of a variable. It's difficult to see a pattern of logic inside all of this.
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Why CancellationToken is separate from CancellationTokenSource?
...ntended for use in a great many scenarios (such as deep library stacks, parallel computation, async, etc) and thus was designed with many complex use cases in mind. It is a design intended to encourage successful patterns and discourage anti-patterns without sacrificing performance.
If the door ...