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Is it possible to have multiple statements in a python lambda expression?
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There are several different answers I can give here, from your specific question to more general concerns. So from most specific to most general:
Q. Can you put multiple statements in a lambda?
A. No. But you don't actually need to use a lambda. You can put the statements i...
Distributed sequence number generation?
...nerate the unique IDs on the clients themselves, using an approach derived from how UUIDs and Snowflake's IDs are made. There are multiple options, but something along the lines of:
The most significant 40 or so bits: A timestamp; the generation time of the ID. (We're using the most significant bi...
Timeout for python requests.get entire response
...ther ways to overcome this problem:
1. Use the TimeoutSauce internal class
From: https://github.com/kennethreitz/requests/issues/1928#issuecomment-35811896
import requests from requests.adapters import TimeoutSauce
class MyTimeout(TimeoutSauce):
def __init__(self, *args, **kwargs):
con...
Remove grid, background color, and top and right borders from ggplot2
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Simplification from the above Andrew's answer leads to this key theme to generate the half border.
theme (panel.border = element_blank(),
axis.line = element_line(color='black'))
...
Undo “git add ”?
...mit". Is there a way to remove this dir and everything contained within it from the commit?
5 Answers
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Change key pair for ec2 instance
...buntu/.ssh/authorized_keys
Logout
Terminate micro instance
Detach volume A from it
Attach volume A back to the main instance as /dev/xvda
Start the main instance
Login as before, using your new .pem file
That's it.
share
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SVN repository backup strategies
...r certain, but surely some tools like 7-zip would be able to compress data from STDIN, meaning you could use the first style on Windows too.
– nickf
Apr 26 '09 at 12:06
5
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Angular HttpPromise: difference between `success`/`error` methods and `then`'s arguments
...e 2 is that .then() call returns a promise (resolved with a value returned from a callback) while .success() is more traditional way of registering callbacks and doesn't return a promise.
Promise-based callbacks (.then()) make it easy to chain promises (do a call, interpret results and then do anot...
Batch file to delete files older than N days
...mmand line.
If you don't have forfiles installed on your machine, copy it from any Windows Server 2003 to your Windows XP machine at %WinDir%\system32\. This is possible since the EXE is fully compatible between Windows Server 2003 and Windows XP.
Later versions of Windows and Windows Serve...
How to get a enum value from string in C#?
...L_MACHINE", true);
This code snippet illustrates obtaining an enum value from a string. To convert from a string, you need to use the static Enum.Parse() method, which takes 3 parameters. The first is the type of enum you want to consider. The syntax is the keyword typeof() followed by the name of...