大约有 32,000 项符合查询结果（耗时：0.0301秒） [XML]
How can I check if a directory exists in a Bash shell script?
... wrap variables in double quotes...in a bash script." For bash, not technically necessary when using [[...]]; see tldp.org/LDP/abs/html/testconstructs.html#DBLBRACKETS (note: no word splitting): "No filename expansion or word splitting takes place between [[ and ]], but there is parameter expansion ...
Best practices to test protected methods with PHPUnit
... not be coupled with the test. This makes refactoring impossible and eventually you don't test what needs to be tested. You need to test them indirectly using public methods. If you find this difficult, almost sure that there is a problem with the composition of the class and you need to separate it...
Convert bytes to a string
... very common encoding, but you
# need to use the encoding your data is actually in.
>>> b"abcde".decode("utf-8")
'abcde'
share
|
improve this answer
|
follow
...
In-memory size of a Python structure
...
Yep. The "4 higher" actually mostly look like "rounding up to a multiple of 8" which I believe is correct for the way malloc behaves here. No idea why decimal gets so distorted (with pympler on 2.6, too).
– Alex Martelli
...
How to check if a Constraint exists in Sql server?
...NSTRAINT_NAME ='FK_ChannelPlayerSkins_Channels'
-- EDIT --
When I originally answered this question, I was thinking "Foreign Key" because the original question asked about finding "FK_ChannelPlayerSkins_Channels". Since then many people have commented on finding other "constraints" here are some...
How to document a method with parameter(s)?
...
Actually there is a space missing before Description. I checked the numpy documentation, because I immediately noticed and thought "Wait a second, why is it three spaces? That's odd. Who'd use three spaces?"
...
Regular expression to allow spaces between words
I want a regular expression that prevents symbols and only allows letters and numbers. The regex below works great, but it doesn't allow for spaces between words.
...
Why does this CSS margin-top style not work?
I try to add margin values on a div inside another div. All works fine except the top value, it seems to be ignored. But why?
...
Reason to Pass a Pointer by Reference in C++?
...r by reference. For instance, if you have a class holding data in a dynamically allocated array, but you want to provide (nonconstant) access to this data to the client. At the same time, you do not want the client to be able to manipulate the memory through the pointer.
– user...
How to reset or change the MySQL root password?
...assword-less server process that you started in step 2. maybe use sudo killall -9 mysqld? and then sudo service mysql start to restart the normal daemon...
– Lambart
Dec 8 '13 at 1:39
...