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Efficient evaluation of a function at every cell of a NumPy array
...t be faster than the "manual" double loop iteration and assignment through all the array elements. Especially, because it stores the result to a newly created variable (and not directly to the initial input). Thanks a lot for your reply though:)
– Peter
Oct 9 '...
Windbg Step 2 分析程序堆栈实战 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...内容是什么，这个时候，建议你用dc(display double-word values and ASCII characters)命令查看内存。
dc 000d1b90
000d1b90 000d1b9c 000d1be8 00000000 003a0045 ............E.:.
000d1ba0 0050005c 006f0072 0061004c 005c0062 \.P.r.o.L.a.b.\.
000d1bb0 00690057 0064006e 0067006...
Why doesn't print work in a lambda?
...thon 2.x, print is a statement. However, in Python 3, print is a function (and a function application is an expression, so it will work in a lambda). You can (and should, for forward compatibility :) use the back-ported print function if you are using the latest Python 2.x:
In [1324]: from __future...
How can I convert bigint (UNIX timestamp) to datetime in SQL Server?
...
Also was getting an overflow, normally meaning that milliseconds are involved, solved simply as: select dbo.fn_ConvertToDateTime( src_column/1000 ) from src_table;
– access_granted
Jan 10 '19 at 4:42
...
How to see which flags -march=native will activate?
I'm compiling my C++ app using GCC 4.3. Instead of manually selecting the optimization flags I'm using -march=native , which in theory should add all optimization flags applicable to the hardware I'm compiling on. But how can I check which flags is it actually using?
...
How do I break out of a loop in Scala?
...nt) {
sum += i; if (sum < max) addTo(i+1,max)
}
addTo(0,1000)
(1c) Fall back to using a while loop
var sum = 0
var i = 0
while (i <= 1000 && sum <= 1000) { sum += 1; i += 1 }
(2) Throw an exception.
object AllDone extends Exception { }
var sum = 0
try {
for (i <- 0 to 1...
How to get indices of a sorted array in Python
... 2), (2, 3), (3, 100), (4, 5)]
You sort the list by passing it to sorted and specifying a function to extract the sort key (the second element of each tuple; that's what the lambda is for. Finally, the original index of each sorted element is extracted using the [i[0] for i in ...] list comprehens...
Python Graph Library [closed]
...
I just evaluated both. networkx is installable via pip, whereas igraph is not. This makes igraph harder to use as dependencies in your setup.py files.
– exhuma
Aug 10 '12 at 7:46
...
Chrome hangs after certain amount of data transfered - waiting for available socket
...ins and serve them directly with Nginx for example.
Create a subdomain called img.yoursite.com and load all your images
from there.
Create a subdomain called scripts.yourdomain.com and load all your JS and CSS files from there.
Create a subdomain called sounds.yoursite.com and load all your MP3s...
Javascript trick for 'paste as plain text` in execCommand
...
It will intercept the paste event, cancel the paste, and manually insert the text representation of the clipboard:
http://jsfiddle.net/HBEzc/.
This should be the most reliable:
It catches all kinds of pasting (Ctrl+V, context menu, etc.)
It allows you to get the clipboard data direc...