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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术

...   为了强化这个原则,ØMQ严格地分离拓扑的建立(zmq_bind,zmq_connect)和真实消息的传递(zmq_send,zmq_rev)。 前者同底层的传输地址协同工作,比如IP地址,而后者仅仅使用处理器(文件描述符)去定位具体的拓扑: /* Topology esta...
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Render a variable as HTML in EJS

...de ('newline slurping') with -%> ending tag Whitespace-trim mode (slurp all whitespace) for control flow with <%_ _%> Control flow with <% %> So, in your case it is going to be <%- variable %> where variable is something like var variable = "text here <br> and some more t...
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Replacing all non-alphanumeric characters with empty strings

... Use [^A-Za-z0-9]. Note: removed the space since that is not typically considered alphanumeric. share | improve this answer | follow | ...
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How to get all selected values from ?

...ipt as many people do not use JQuery in their sites. From RobG How to get all selected values of a multiple select box using JavaScript?: function getSelectValues(select) { var result = []; var options = select && select.options; var opt; for (var i=0, iLen=options.length; i<...
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Pandas every nth row

...simpler solution to the accepted answer that involves directly invoking df.__getitem__. df = pd.DataFrame('x', index=range(5), columns=list('abc')) df a b c 0 x x x 1 x x x 2 x x x 3 x x x 4 x x x For example, to get every 2 rows, you can do df[::2] a b c 0 x x x ...
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Waiting until two async blocks are executed before starting another block

... NSLog(@"Block3"); }); // only for non-ARC projects, handled automatically in ARC-enabled projects. dispatch_release(group); and could produce output like this: 2012-08-11 16:10:18.049 Dispatch[11858:1e03] Block1 2012-08-11 16:10:18.052 Dispatch[11858:1d03] Block2 2012-08-11 16:10:23.051 Dis...
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How can I remove all my changes in my SVN working directory?

...ctory, and it shows in svn status . But is there any way for me to remove all my changes in there and just get everything from the trunk using the command line? ...
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Change one value based on another value in pandas

...ere. Assuming you can load your data directly into pandas with pandas.read_csv then the following code might be helpful for you. import pandas df = pandas.read_csv("test.csv") df.loc[df.ID == 103, 'FirstName'] = "Matt" df.loc[df.ID == 103, 'LastName'] = "Jones" As mentioned in the comments, you ...
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Java URL encoding of query string parameters

... are represented by +, not %20, which is legitimately valid. The %20 is usually to be used to represent spaces in URI itself (the part before the URI-query string separator character ?), not in query string (the part after ?). Also note that there are three encode() methods. One without Charset as s...
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mysql :: insert into table, data from another table?

... INSERT INTO action_2_members (campaign_id, mobile, vote, vote_date) SELECT campaign_id, from_number, received_msg, date_received FROM `received_txts` WHERE `campaign_id` = '8' ...