大约有 48,000 项符合查询结果(耗时:0.0290秒) [XML]

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How to configure socket connect timeout

... timeout.</param> public static void Connect(this Socket socket, string host, int port, TimeSpan timeout) { AsyncConnect(socket, (s, a, o) => s.BeginConnect(host, port, a, o), timeout); } /// <summary> /// Connects the specified socket. /// </summar...
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Why do people say that Ruby is slow? [closed]

... always an issue if it impacts usability. True, scanning an xml file for a string in one second or three doesn't matter from a pure numbers point of view, but a couple seconds difference can make a big difference in usability when you're talking about a user-facing application. ...
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Pass a data.frame column name to a function

... Is there any way to pass the column name not as a string? – kmm Apr 14 '10 at 23:13 ...
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Multiple aggregations of the same column using pandas GroupBy.agg()

...what the arguments are. As usual, the aggregation can be a callable or a string alias. You can now pass a tuple via keyword arguments. The tuples follow the format of (<colName>, <aggFunc>). import pandas as pd pd.__version__ ...
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What are the main performance differences between varchar and nvarchar SQL Server data types?

...ormance can be... SQL Server uses high CPU when searching inside nvarchar strings share | improve this answer | follow | ...
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Why aren't superclass __init__ methods automatically invoked?

... Often the subclass has extra parameters which can't be passed to the superclass. share | improve this answer | follow ...
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How to make rpm auto install dependencies

...transaction metadata from yum to DNF, run: 'dnf install python-dnf-plugins-extras-migrate && dnf-2 migrate' Last metadata expiration check performed 0:28:24 ago on Fri Sep 25 12:43:44 2015. Dependencies resolved. ==============================================================================...
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How to create a SQL Server function to “join” multiple rows from a subquery into a single delimited

... Note that Matt's code will result in an extra comma at the end of the string; using COALESCE (or ISNULL for that matter) as shown in the link in Lance's post uses a similar method but doesn't leave you with an extra comma to remove. For the sake of completeness, here's the relevant code from L...
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How to display multiple notifications in android

...intent will direct to different activity.. private void sendNotification(String message,String title,JSONObject extras) throws JSONException { String id = extras.getString("actionParam"); Log.e("gcm","id = "+id); Intent intent = new Intent(this, OrderDetailActivty.class); intent.pu...
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How to create PDF files in Python [closed]

...h the style and markup you want for you pdf document Executing pdfkit.from_string(...) method by passing the rendered html as parameter This way you get a pdf document with styling and images supported. You can install it as follows : using pip pip install pdfkit You will also need to install...