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How do you make a HTTP request with C++?
...contents of a page (an API) and check the contents to see if it contains a 1 or a 0. Is it also possible to download the contents into a string?
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Check if value exists in Postgres array
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Simpler with the ANY construct:
SELECT value_variable = ANY ('{1,2,3}'::int[])
The right operand of ANY (between parentheses) can either be a set (result of a subquery, for instance) or an array. There are several ways to use it:
SQLAlchemy: how to filter on PgArray column types?
IN ...
Why is it slower to iterate over a small string than a small list?
... on a list of small single character strings. Any explanation? It's almost 1.35 times as much time.
3 Answers
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What does tilde-greater-than (~>) mean in Ruby gem dependencies? [duplicate]
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edited Mar 15 '17 at 8:17
Draco Ater
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Convert Go map to json
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112
If you had caught the error, you would have seen this:
jsonString, err := json.Marshal(datas)...
R programming: How do I get Euler's number?
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150
The R expression
exp(1)
represents e, and
exp(2)
represents e^2.
This works because exp...
Android Studio - local path doesn't exist
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I originally saw this error after upgrading from 0.2.13 to 0.3. These instructions have been updated for the release of Android Studio 0.5.2. These are the steps I completed to resolve the issue.
1.In build.gradle make sure gradle is set to 0.9.0
buildscript {
repositorie...
How to convert a negative number to positive?
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216
>>> n = -42
>>> -n # if you know n is negative
42
>>> abs(n) ...
How do you reindex an array in PHP?
...hich I would like to reindex so the keys are reversed (ideally starting at 1):
21 Answers
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How to create Java gradle project
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answered Jun 14 '14 at 9:13
MikeMike
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