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Questions every good .NET developer should be able to answer? [closed]
...hat people should roll their own hashtable. This is a basic question which tests whether a person has a minimal understanding of datastructures. Thats what these questions test for: bare minimum understanding.
You learn about these hashtables and linked lists on the first day of Data Structures 101...
This app won't run unless you update Google Play Services (via Bazaar)
I'm testing out the new Google Maps API V2 for Android, and I'm getting this message when the app launches:
12 Answers
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How to escape a single quote inside awk
...%s%s ", q, $1, q}'
Simpler example with string concatenation:
# Prints 'test me', *including* the single quotes.
$ awk -v q=\' '{print q $0 q }' <<<'test me'
'test me'
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Java OCR implementation [closed]
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We have tested a few OCR engines with Java like Tesseract,Asprise, Abbyy etc. In our analysis, Abbyy gave the best results.
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iOS 7 sizeWithAttributes: replacement for sizeWithFont:constrainedToSize
...ngRect(
with: CGSize(width: width, height: CGFloat.greatestFiniteMagnitude),
options: NSStringDrawingOptions.usesLineFragmentOrigin,
attributes: attributes as [NSAttributedString.Key : Any], context: nil)
...
Passing enum or object through an intent (the best solution)
... Num{A ,B}
Sending(enum to integer):
Num send = Num.A;
intent.putExtra("TEST", send.ordinal());
Receiving(integer to enum):
Num rev;
int temp = intent.getIntExtra("TEST", -1);
if(temp >= 0 && temp < Num.values().length)
rev = Num.values()[temp];
Best regards.
:)
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Get pandas.read_csv to read empty values as empty string instead of nan
...e it's missing this flag. For this example, you could use pandas.read_csv('test.csv',na_values=['nan'], keep_default_na=False).
– Michael Delgado
Sep 30 '15 at 20:17
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(grep) Regex to match non-ASCII characters?
...ntrol bytes so strings can be the better option sometimes. For example cat test.torrent | perl -pe 's/[^[:ascii:]]+/\n/g' will do odd things to your terminal, where as strings test.torrent will behave.
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Getting rid of bullet points from
...
Try this instead, tested on Chrome/Safari
ul {
list-style: none;
}
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Nginx与Lua - 更多技术 - 清泛网 - 专注C/C++及内核技术
...inx，然后浏览，就能看到效果了。
location /lua {
set $test "hello, world.";
content_by_lua '
ngx.header.content_type = "text/plain";
ngx.say(ngx.var.test);
';
}
在深入学习ngx_lua之前，建议大家仔细阅读一遍春哥写的Nginx教程。
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