大约有 19,120 项符合查询结果（耗时：0.0285秒） [XML]
Font Awesome not working, icons showing as squares
...rototype a marketing page and I'm using Bootstrap and the new Font Awesome file. The problem is that when I try to use an icon, all that gets rendered on the page is a big square.
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What is the difference between a string and a byte string?
...t;> b'hi' + 'bye' # this will fail
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: can't concat str to bytes
>>> 'hi' + b'bye' # this will also fail
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeEr...
Chmod recursively
...nd I want to automatically, after I download it, to change a branch of the file system within the extracted files to gain read access. (I can't change how archive is created).
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Postgresql: password authentication failed for user “postgres”
... FATAL: password authentication failed for user "postgres" then check the file /etc/postgresql/8.4/main/pg_hba.conf: There must be a line like this as the first non-comment line:
local all postgres ident
For newer versions of PostgreSQL ident actually might be ...
Enabling auto layout in iOS 6 while remaining backwards compatible with iOS 5
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Autolayout can be enabled or disabled on each .storyboard or .xib file. Just select the particular file and modify the "Use Autolayout" property using the File inspector in Xcode:
Using autolayout enabled interface files with the deployment target set to an iOS version prior to 6.0 resul...
How to write a cron that will run a script every day at midnight?
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export EDITOR=vim
crontab -e
Make scripts executable with chmod a+x <file>
create a script/program as a cron job, and add it to the system's anacron /etc/cron.*ly directories
anacron /etc/cron.*ly directories:
/etc/cron.daily
/etc/cron.hourly
/etc/cron.monthly
/etc/cron.weekly
as ...
How to resize the jQuery DatePicker control
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You don't have to change it in the jquery-ui css file (it can be confusing if you change the default files), it is enough if you add
div.ui-datepicker{
font-size:10px;
}
in a stylesheet loaded after the ui-files
div.ui-datepicker is needed in case ui-widget is mentione...
Scanner vs. BufferedReader
...I know, the two most common methods of reading character-based data from a file in Java is using Scanner or BufferedReader . I also know that the BufferedReader reads files efficiently by using a buffer to avoid physical disk operations.
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MSSQL Error 'The underlying provider failed on Open'
...Now I want to change the connection string so that there will be no .mdf file.
40 Answers
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How to show math equations in general github's markdown(not github's blog)
...ve found mathjax can do this. But when I write some example in my markdown file, it doesn't show the correct equations:
10 ...