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Git: How to remove file from historical commit?
...ilter "git rm --cached --ignore-unmatch PathRelativeRepositoryRoot/bigfile.csv" -- --all
After removing the big file, I was able to push my changes to github master.
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【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛，有思想、有深度
...参数组在低功耗蓝牙设备的功率优化中起重要作用。以下列表给出了连接参数设置中权衡的总体概述。减少连接间隔如下：增加两个设备的功耗增加双向吞吐量减少任一方向发送数据的时间
增加连接间隔如下：降低两个设备的...
Bulk insert with SQLAlchemy ORM
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Compared to inserting the same data from CSV with \copy with psql (from the same client to the same server), I see a huge difference in performance on the server side resulting in about 10x more inserts/s. Apparently is bulk-loading using \copy (or COPY on the serve...
Serializing a list to JSON
...... stack, which provides a set of very fast serializers for Json, JSV and CSV.
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What is the recommended batch size for SqlBulkCopy?
...so spent some time looking into. I am looking to optimize importing large CSV files (16+ GB, 65+ million records, and growing) into a SQL Server 2005 database using a C# console application (.Net 2.0). As Jeremy has already pointed out, you will need to do some fine-tuning for your particular circ...
Python strptime() and timezones?
I have a CSV dumpfile from a Blackberry IPD backup, created using IPDDump.
The date/time strings in here look something like this
(where EST is an Australian time-zone):
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Reading a file line by line in Go
...ver a file, it would be trivial to first file, _ := os.Open("/path/to/file.csv") and then scan over the file handle: scanner := bufio.NewScanner(file)
– Evan Plumlee
Aug 18 '13 at 13:28
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Downloading a large file using curl
...URLOPT_RETURNTRANSFER has to be true in case you are getting file like pdf/csv/image etc.
You may find the further detail over here(correct url) Curl Doc
From that page:
curl_setopt($request, CURLOPT_TIMEOUT, 300); //set timeout to 5 mins
curl_setopt($request, CURLOPT_RETURNTRANSFER, true); // t...
How do I add files without dots in them (all extension-less files) to the gitignore file?
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In my folders there are lots of files with *.c, *.h, *.txt, *.csv etc. extensions and binary files without any extension. So I needed to ignore all files execpt *.c,*.h and .gitignore, So this works for me, from the .gitignore example:
*/* #ignore all files in each directory
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REST / SOAP endpoints for a WCF service
...e it hosted on many different endpoints (i.e. SOAP + REST, with XML, JSON, CSV, HTML outputes). You should also consider using ServiceStack which I've built for exactly this purpose where every service you develop is automatically available on on both SOAP and REST endpoints out-of-the-box without a...