大约有 30,000 项符合查询结果(耗时:0.0460秒) [XML]
Is arr.__len__() the preferred way to get the length of an array in Python?
In Python , is the following the only way to get the number of elements?
8 Answers
8
...
What is the difference between quiet NaN and signaling NaN?
...e exit status:
g++ -ggdb3 -O0 -Wall -Wextra -pthread -std=c++11 -pedantic-errors -o blow_up.out blow_up.cpp -lm -lrt
./blow_up.out
echo $?
Output:
FE_ALL_EXCEPT snan + 1.0f
feenableexcept qnan + 1.0f
Floating point exception (core dumped)
136
Note that this behaviour only happens with -O0 in G...
Have bash script answer interactive prompts [duplicate]
Is it possible to have a bash script automatically handle prompts that would normally be presented to the user with default actions? Currently I am using a bash script to call an in-house tool that will display prompts to the user (prompting for Y/N) to complete actions, however the script I'm writ...
How do you run a single test/spec file in RSpec?
I want to be able to run a single spec file's tests — for the one file I'm editing, for example. rake spec executes all the specs. My project is not a Rails project, so rake spec:doc doesn't work.
...
How do I encode/decode HTML entities in Ruby?
I am trying to decode some HTML entities, such as '&amp;lt;' becoming '<' .
7 Answers
...
setTimeout or setInterval?
...uld go wrong in the function it will just stop repeating at the first time error, instead of repeating the error every second.
share
|
improve this answer
|
follow
...
EF Migrations: Rollback last applied migration?
This looks like a really common task, but I can't find an easy way to do it.
14 Answers
...
How to detect if a stored procedure already exists
I have to write a deployment script which will work if a stored procedure exists or does not exist. i.e. if it exists, then I need to alter it, otherwise create it.
...
Word-wrap in an HTML table
...
@ewomac yeah, sometimes I just have to ignore the VS2010 errors about HTML/CSS if I know it will work in the browser.
– Marc Stober
Aug 11 '11 at 16:19
2
...
Remove empty strings from a list of strings
I want to remove all empty strings from a list of strings in python.
12 Answers
12
...