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demystify Flask app.secret_key
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106
Anything that requires encryption (for safe-keeping against tampering by attackers) requires th...
Add new field to every document in a MongoDB collection
...gt; db.foo.insert({"test":"a"})
> db.foo.find()
{ "_id" : ObjectId("4e93037bbf6f1dd3a0a9541a"), "test" : "a" }
> item = db.foo.findOne()
{ "_id" : ObjectId("4e93037bbf6f1dd3a0a9541a"), "test" : "a" }
> db.foo.update({"_id" :ObjectId("4e93037bbf6f1dd3a0a9541a") },{$set : {"new_field":1}})
&g...
Rename multiple files by replacing a particular pattern in the filenames using a shell script [dupli
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Susam PalSusam Pal
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6
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Remove unwanted parts from strings in a column
... column?
– medev21
Sep 1 '16 at 19:50
Can I use this function to replace a number such as the number 12? If I do x.ls...
How to convert latitude or longitude to meters?
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180
Here is a javascript function:
function measure(lat1, lon1, lat2, lon2){ // generally used geo...
How do you access command line arguments in Swift?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Feb 27 at 23:34
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How to retrieve the current version of a MySQL database management system (DBMS)?
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| protocol_version | 10 |
| version | 5.0.27-standard |
| version_comment | MySQL Community Edition - Standard (GPL) |
| version_compile_machine | i686 ...
Generate GUID in MySQL for existing Data?
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10 Answers
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Call Javascript function from URL/address bar
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edited Feb 10 '15 at 18:10
davmac
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a...
How to get the last day of the month?
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30 Answers
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