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What is the meaning of erb?
...der a html page. But you can easily make it respond with .xml or .json or .csv if you write a web api for it
Erb is a library class that generates text. Nothing more. It expects a file that contains static text and ruby code mixed. It will run the ruby code and write the result to another file whic...
How to speed up insertion performance in PostgreSQL
...ch is according to the documentation is "somewhat faster than the text and CSV formats." Only do this if you have millions of rows to insert, and if you are comfortable with binary data.
Here is an example recipe in Python, using psycopg2 with binary input.
...
How to change Git log date formats
... This works a treat! Using a simple bash script to export a csv, now I can i have columns for year, month, week etc. Love it.
– Jamie Taylor
Mar 9 '16 at 9:18
1
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What are all the possible values for HTTP “Content-Type” header?
...ML (HTML mail).)
multipart/form-data
Type text
text/css
text/csv
text/html
text/javascript (obsolete)
text/plain
text/xml
Type video
video/mpeg
video/mp4
video/quicktime
video/x-ms-wmv
video/x-msvideo
video/x-flv
video/webm
Type vnd :
...
Which data type for latitude and longitude?
...able functions but is less accurate over very long distances.
Import your CSV to long lat fields to DECIMAL(10,6) columns. 6 digits is 10cm precision, should be plenty for most use cases.
Then cast your your imported data
SELECT
--ST_SetSRID(ST_Point(long, lat),4326) geom -- the wrong way be...
best way to preserve numpy arrays on disk
...o sacrifice a lot of performance, but it can be achieved fairly well using csv (which is also very portable of course).
More details and the code are available at the github repo.
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Django ModelForm: What is save(commit=False) used for?
..._type = "audio"
if attachment.filename.lower().endswith(('.csv','.dif','.ods','.xls','.tsv','.dat','.db','.xml','.xlsx','.xlr')):
attachment.file_type = "spreasheet"
if attachment.filename.lower().endswith(('.doc','.pdf','.rtf','.txt')):
...
How to create a temporary directory?
...UIT TERM
trap 'rm -rf "$TMPDIR"' EXIT
# Example use of TMPDIR:
for f in *.csv; do
cp "$f" "$TMPDIR"
# remove duplicate lines but keep order
perl -ne 'print if ++$k{$_}==1' "$TMPDIR/$f" > "$f"
done
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MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...m_list.SetItem(..); //具体参数请参考msdn
21. 在CListCtrl显示文件，并根据文件类型来显示图标
网上找到的代码，share
BOOL CTest6Dlg::OnInitDialog()
{
CDialog::OnInitDialog();
HIMAGELIST himlSmall;
HIMAGELIST ...
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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