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postgresql - replace all instances of a string within text field
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414
You want to use postgresql's replace function:
replace(string text, from text, to text)
for ...
How do I update my forked repo using SourceTree?
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1 Answer
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How does Django's Meta class work?
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edited Feb 4 at 10:55
Moon
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answered Apr...
Escaping keyword-like column names in Postgres
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214
Simply enclose year in double quotes to stop it being interpreted as a keyword:
INSERT INTO ta...
Replacing Pandas or Numpy Nan with a None to use with MysqlDB
...n use where, it's worth noting that you can do this natively in pandas:
df1 = df.where(pd.notnull(df), None)
Note: this changes the dtype of all columns to object.
Example:
In [1]: df = pd.DataFrame([1, np.nan])
In [2]: df
Out[2]:
0
0 1
1 NaN
In [3]: df1 = df.where(pd.notnull(df), None...
HTML5 doctype putting IE9 into quirks mode?
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134
Placing:
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
in the <he...
What does `:_*` (colon underscore star) do in Scala?
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154
It "splats"1 the sequence.
Look at the constructor signature
new Elem(prefix: String, label:...
Gson ignoring map entries with value=null
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1 Answer
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What's the difference between tag and release?
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1 Answer
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Check if an apt-get package is installed and then install it if it's not on Linux
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317
To check if packagename was installed, type:
dpkg -s <packagename>
You can also use dp...