大约有 48,000 项符合查询结果（耗时：0.0789秒） [XML]
I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
I use
Rails 3.0.20 and
ruby 1.8.7 (2011-06-30 patchlevel 352)
4 Answers
4
...
Artificially create a connection timeout error
...nswered Sep 19 '08 at 10:02
AlexanderAlexander
8,29422 gold badges2121 silver badges2121 bronze badges
...
The target … overrides the `OTHER_LDFLAGS` build setting defined in `Pods/Pods.xcconfig
...uses a header file from Proj.4 , just one header. Both are Xcode projects and have static targets.
10 Answers
...
Why aren't my breakpoints working?
... in the graphical tree display of your project, right click on your Target and do "Get Info." Look for a property named "Generate Debug Symbols" (or similar) and make sure this is CHECKED (aka ON). Also, you might try finding (also in Target >> Get Info) a property called "Debug Information ...
Create Pandas DataFrame from a string
... to do this is to use StringIO.StringIO (python2) or io.StringIO (python3) and pass that to the pandas.read_csv function. E.g:
import sys
if sys.version_info[0] < 3:
from StringIO import StringIO
else:
from io import StringIO
import pandas as pd
TESTDATA = StringIO("""col1;col2;col3
...
curl_exec() always returns false
...
Error checking and handling is the programmer's friend. Check the return values of the initializing and executing cURL functions. curl_error() and curl_errno() will contain further information in case of failure:
try {
$ch = curl_init(...
jquery data selector
...e created a new data selector that should enable you to do nested querying and AND conditions. Usage:
$('a:data(category==music,artist.name==Madonna)');
The pattern is:
:data( {namespace} [{operator} {check}] )
"operator" and "check" are optional. So, if you only have :data(a.b.c) it will si...
How to grant remote access to MySQL for a whole subnet?
...
EDIT: Consider looking at and upvoting Malvineous's answer on this page. Netmasks are a much more elegant solution.
Simply use a percent sign as a wildcard in the IP address.
From http://dev.mysql.com/doc/refman/5.1/en/grant.html
You can speci...
Why is HttpClient BaseAddress not working?
...luding or excluding trailing or leading forward slashes on the BaseAddress and the relative URI passed to the GetAsync method -- or whichever other method of HttpClient -- only one permutation works. You must place a slash at the end of the BaseAddress, and you must not place a slash at the beginni...
How can I strip first X characters from string using sed?
... a small industrial box. I have a variable containing the text pid: 1234 and I want to strip first X characters from the line, so only 1234 stays. I have more variables I need to "clean", so I need to cut away X first characters and ${string:5} doesn't work for some reason in my system.
...