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Command to get nth line of STDOUT
... @LeoUfimtsev: the p is the sed statement that prints the lines identified by the range of lines that precedes it. Thus 2,4p means print lines 2, 3, 4.
– Jonathan Leffler
Dec 6 '17 at 23:03
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“:” (colon) in C struct - what does it mean? [duplicate]
...ucture more convenient. You'll see it in modern drivers, and may catch you by surprise. This is what the new way of assigning to the structure looks like:"
struct file_operations fops = {
read: device_read,
write: device_write,
open: device_open,
release: device_release
};
The C99 (ol...
CORS: Cannot use wildcard in Access-Control-Allow-Origin when credentials flag is true
...ns only for applications running on browsers, because this error is thrown by the browser for security reasons. Other clients such as a mobile app, postman or any other backend code using http client to make a request won't have this problem, so you don't have to worry about the origin and the exact...
Remove spaces from std::string in C++
.../1. it does not surprise me that it's been upvoted to the tune of 71 votes by now, in spite of being Very Bad Advice.
– Cheers and hth. - Alf
Oct 25 '12 at 13:48
16
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Convert a python dict to a string and back
...have to do the actual conversion or file writing as it is all encapsulated by pickle.
– AJ00200
Dec 28 '10 at 16:02
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Android and setting alpha for (image) view alpha
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I am not sure about the XML but you can do it by code in the following way.
ImageView myImageView = new ImageView(this);
myImageView.setAlpha(xxx);
In pre-API 11:
range is from 0 to 255 (inclusive), 0 being transparent and 255 being opaque.
In API 11+:
range is ...
Using the “start” command with parameters passed to the started program
...nd, but it doesn't really address the underlying problem, which is covered by the accepted answer.
– Sam
Nov 11 '13 at 5:18
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Getting the HTTP Referrer in ASP.NET
... the Referer HTTP header from the request which may or may not be supplied by the client (user agent).
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Objective-C pass block as parameter
...jective-C code, how can I tell if a block is escaping or not? I read that by default, blocks are escaping except if decorated with NS_NOESCAPE, but enumerateObjectsUsingBlock I'm told is non-escaping, yet I don't see NS_NOESCAPE anywhere in site, nor is escaping mentioned at all in the Apple docs. ...
Get Substring between two characters using javascript
...lit(/[:;]/);
alert(arrStr);
arrStr will contain all the string delimited by : or ;
So access every string through for-loop
for(var i=0; i<arrStr.length; i++)
alert(arrStr[i]);
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