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Installing multiple instances of the same windows service on a server
...rvicename="My Service" MyService.exe
I'm not entirely sure where I first read about this but I haven't seen it since. YMMV.
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Git push requires username and password
...e VonC's second comment): on Windows the file name is %HOME%\_netrc.
Also read VonC's first comment in case you want to encrypt.
Another addition (see user137717's comment) which you can use if you have Git 1.7.10 or newer.
Cache your GitHub password in Git using a credential helper:
If you'r...
How do I debug error ECONNRESET in Node.js?
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You might have guessed it already: it's a connection error.
"ECONNRESET" means the other side of the TCP conversation abruptly closed its end of the connection. This is most probably due to one or more application protocol errors. You could look at t...
Cloning a private Github repo
....git - perhaps you needed to use git@ rather than git://?
git:// URLs are read only, and it looks like private repos do not allow this form of access.
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Should I use document.createDocumentFragment or document.createElement
I was reading about document fragments and DOM reflow and wondered how document.createDocumentFragment differed from document.createElement as it looks like neither of them exist in the DOM until I append them to a DOM element.
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Practical non-image based CAPTCHA approaches?
...rt JavaScript it will submit the form instantly
The commenter has at least read some of the page before posting
The downside to this method is that it requires JavaScript, and if you don't have JavaScript enabled, your comment will be marked as spam, however, I do review comments marked as spam, s...
What happens when a duplicate key is put into a HashMap?
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Thanks for this. Reading though the Java documentation this is not mentioned clearly. I am guessing the author of the doc assumed this to be a tacit assumption of all hash map implementations.
– Andrew S
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How to convert Linux cron jobs to “the Amazon way”?
...o go with the second option, simply because it's brilliantly fast and we already had experience with webservers running these cronjobs (in our pre-AWS era).
Of course, this solution is meant specifically for replacing the traditional one-node cronjob approach, where timing is the deciding factor (e...
Any way to break if statement in PHP?
... /* SUCCESS */
}catch(Exception $ex){
clean_all_processes();
}
After reading some of the comments, I realized that exception handling doesn't always makes sense for normal flow control. For normal control flow it is better to use "If else":
try{
if( process_x() && process_y() &&...
Pandas conditional creation of a series/dataframe column
..."Z")&(df['Type']=="B")|(df['Type']=="C"), 'Color'] = "purple"
You can read on Pandas logical operators and conditional selection here:
Logical operators for boolean indexing in Pandas
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