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How to unpack and pack pkg file?
I have a pkg file created by Install Maker for Mac.
I want to replace one file in pkg. But I must do this under Linux system, because this is a part of download process. When user starts to download file server must replace one file in pkg.
I have a solution how unpack pkg and replace a file but I d...
How to access custom attributes from event object in React?
...ch? For example depending on what button the user pushes I want to pass a string to a function. I was hoping to avoid making three functions in my component for each case.
– Michael J. Calkins
Apr 10 '16 at 23:52
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How to print out a variable in makefile
...s $(VAR))
'error' would stop the make execution, after showing the error string
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How to check with javascript if connection is local host?
.../ detecting "localhost" will not work. location.hostname will return empty string. so
if (location.hostname === "localhost" || location.hostname === "127.0.0.1" || location.hostname === "")
alert("It's a local server!");
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How can I show ellipses on my TextView if it is greater than the 1 line?
...> 1) {
int lineEndIndex = tv.getLayout().getLineEnd(0);
String text = tv.getText().subSequence(0, lineEndIndex - 3) + "\u2026";
tv.setText(text);
}
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Search and replace in bash using regular expressions
...is available, with the same precedence as == and !=. When it is used, the string to the right of the operator is considered an extended regular expression and matched accordingly (as in regex(3)).
– nickl-
Mar 10 '14 at 4:22
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Generating random integer from a range
...uch better ways of getting something that is uniformly distributed and actually random.
– Mgetz
Sep 12 '13 at 19:14
1
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Increasing the maximum number of TCP/IP connections in Linux
...local_port_range = 32768 61000
net.ipv4.tcp_fin_timeout = 60
This basically means your system cannot consistently guarantee more than (61000 - 32768) / 60 = 470 sockets per second. If you are not happy with that, you could begin with increasing the port_range. Setting the range to 15000 61000 is...
Why does substring slicing with index out of range work?
...can still return an empty sequence.
Part of what's confusing here is that strings behave a little differently from lists. Look what happens when you do the same thing to a list:
>>> [0, 1, 2, 3, 4, 5][3]
3
>>> [0, 1, 2, 3, 4, 5][3:4]
[3]
Here the difference is obvious. In the ...
In-place edits with sed on OS X
...
You can use:
sed -i -e 's/<string-to-find>/<string-to-replace>/' <your-file-path>
Example:
sed -i -e 's/Hello/Bye/' file.txt
This works flawless in Mac.
sha...