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In Perl, how can I read an entire file into a string?
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before reading from the file handle. See How can I read in an entire file all at once?, or
$ perldoc -q "entire file"
See Variables related to filehandles in perldoc perlvar and perldoc -f local.
Incidentally, if you can put your script on the server, you can have all the modules you want. See ...
Performing Breadth First Search recursively
...tion, but I suppose I could imagine some bizarre scenario where you're not allowed any heap space for some reason [some really bad custom memory manager? some bizarre runtime/OS issues?] while you still have access to the stack...)
Breadth-first traversal traditionally uses a queue, not a stack. T...
Substitute multiple whitespace with single whitespace in Python [duplicate]
...ce characters that are combined.
To match unicode whitespace:
import re
_RE_COMBINE_WHITESPACE = re.compile(r"\s+")
my_str = _RE_COMBINE_WHITESPACE.sub(" ", my_str).strip()
To match ASCII whitespace only:
import re
_RE_COMBINE_WHITESPACE = re.compile(r"(?a:\s+)")
_RE_STRIP_WHITESPACE = re.co...
brew install mysql on macOS
I'm trying to setup up MySQL on mac os 10.6 using Homebrew by brew install mysql 5.1.52 .
16 Answers
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How to remove a TFS Workspace Mapping?
...stating "Show Remote Workspaces" - just tick that and you'll get a list of all your enlistments:
From the command line
Call "tf workspace" from a developer command prompt. It will bring up the "Manage Workspaces" directly!
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Set Additional Data to highcharts series
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Additionally, with this solution, you can even put multiple data as much as you want :
tooltip: {
formatter: function () {
return 'Extra data: <b>' + this.point.myData + '</b><br> Another Data: <b>...
Showing empty view when ListView is empty
... when the ListView is not empty. I thought the ListView would automatically detect when to show the empty view.
11 Answ...
How to profile methods in Scala?
What is a standard way of profiling Scala method calls?
12 Answers
12
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内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...
...内存容易造成内存碎片，不利于回收。 64位系统最好分配32M以上内存，这是使用mmap的阈值。
tcmalloc
tcmalloc是Google开源的一个内存管理库， 作为glibc malloc的替代品。目前已经在chrome、safari等知名软件中运用。
根据官方测试报...
Extract subset of key-value pairs from Python dictionary object?
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If you're using Python 3, and you only want keys in the new dict that actually exist in the original one, you can use the fact to view objects implement some set operations:
{k: bigdict[k] for k in bigdict.keys() & {'l', 'm', 'n'}}
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