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Numpy index slice without losing dimension information
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The example is missing extra brackets for the tuple in the assignment to b; it should be b = np.zeros((100,10)).
– Jerzy
Mar 17 '17 at 20:18
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Why is this program erroneously rejected by three C++ compilers?
...Image.open('helloworld.png') # Open image object using PIL
print image_to_string(image) # Run tesseract.exe on image
To use it, do:
python script.py > helloworld.cpp; g++ helloworld.cpp
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How to get filename without extension from file path in Ruby
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Note that double quotes strings escape \'s.
'C:\projects\blah.dll'.split('\\').last
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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
...as to rewrite the pascal FOR loop myself in assembly, at which point these extra instructions no longer had a positive effect. Perhaps free pascal's generated code was harder for the processor to predict than the simple counter I replaced it with.
– tangentstorm
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SQL/mysql - Select distinct/UNIQUE but return all columns?
...y applicable to numeric values, but also compare the alphabetical order of string values.
SELECT country, MAX(city) FROM locations
GROUP BY country
will result in:
--country-- --city--
France Paris
Poland Krakow
Italy Milano
or:
SELECT country, MIN(city) FROM locations
GROU...
What is the difference between “mvn deploy” to a local repo and “mvn install”?
... such as Nexus
It is true that running "deploy" is going to require some extra configuration, you are going to have to supply a distributionManagement section in your POM.
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Notification click: activity already open
... by the new notification) and catch them, for example:
title = intent.getStringExtra("title")
in onCreate previously :)
It will refresh present activity with new notification data.
You can also follow this tutorial.
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C# vs Java Enum (for those new to C#)
...ace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
Planet planetEarth = Planet.MERCURY;
double earthRadius = pEarth.Radius; // Just threw it in to show usage
double earthWeight = double.Parse("123");
do...
Wget output document and headers to STDOUT
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Try the following, no extra headers
wget -qO- www.google.com
Note the trailing -. This is part of the normal command argument for -O to cat out to a file, but since we don't use > to direct to a file, it goes out to the shell. You can use -q...
How to force a web browser NOT to cache images
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Armin Ronacher has the correct idea. The problem is random strings can collide. I would use:
<img src="picture.jpg?1222259157.415" alt="">
Where "1222259157.415" is the current time on the server.
Generate time by Javascript with performance.now() or by Python with time.time...