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How to download an entire directory and subdirectories using wget?
...r.
– isomorphismes
Jun 21 '14 at 17:05
2
I tried the above command to get all the files from http...
ImportError in importing from sklearn: cannot import name check_build
I am getting the following error while trying to import from sklearn:
13 Answers
13
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Useful code which uses reduce()? [closed]
...
answered Jul 17 '10 at 17:05
ssolerssoler
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postgresql list and order tables by size
...ready started typing something in your psql session, which caused a syntax error.
– yieldsfalsehood
Feb 12 '14 at 20:13
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Identify if a string is a number
...ails
– BlackTigerX
Oct 23 '14 at 22:05
try parsing 0,60 (that is a comma!) it is an invalid number but will be parsed ...
Which is more preferable to use: lambda functions or nested functions ('def')?
...f p(x): print x
works as expected, while
lambda x: print x
is a SyntaxError.
Of course, there are workarounds - substitute print with sys.stdout.write, or import with __import__. But usually you're better off going with a function in that case.
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How to properly seed random number generator
...entered manually by a human; excluding 0, O, 1, and l can help reduce user error.
var alpha = "abcdefghijkmnpqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789"
// generates a random string of fixed size
func srand(size int) string {
buf := make([]byte, size)
for i := 0; i < size; i++ {
...
PHP中的错误处理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...么呢？统一管理错误日志，或者呈现一个相对友好的错误提示页面等等。
但需要注意的是set_error_handler无法捕捉某些Fatal error，比如下面这个错误：
<?php
set_error_handler(function($errno, $errstr, $errfile, $errline) {
var_dump($errno, $err...
What does Redis do when it runs out of memory?
... or if the policy is
# set to 'noeviction', Redis will start to reply with errors to commands
# that would use more memory, like SET, LPUSH, and so on, and will continue
# to reply to read-only commands like GET.
#
# This option is usually useful when using Redis as an LRU cache, or to set
# a hard ...
How do I show the value of a #define at compile-time?
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As far as I know '#error' only will print strings, in fact you don't even need to use quotes.
Have you tried writing various purposefully incorrect code using "BOOST_VERSION"? Perhaps something like "blah[BOOST_VERSION] = foo;" will tell you ...