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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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Managing CSS Explosion
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@Miguel, it doesn't work that way. Browsers read a CSS string backwards, so it would take: "div .myclass" and find all ".myclass" classes, and then check if it is an ancestor of a div.
– mwilcox
Jan 27 '11 at 19:04
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PHP global in functions
...of external code on which it depends? It can not function without a lot of extras. Using the Zend framework, have you ever changed the implementation of an interface? An interface is in fact a global.
Another globally used application is Drupal. They are very concerned about proper design, but just...
How do I trigger the success callback on a model.save()?
...you don't pass the model when calling save. the first argument of save is extra attributes that you can set before calling save. It'd be like calling model.set(model.toJSON()); model.save(). there's no reason to set a model to what the model is set to.. it's the epitome of redundant to pass a mod...
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...
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...
How to assign Profile values?
...er than it seems. Here's a very very simple example that adds a "FullName" string profile field:
In your web.config:
<profile defaultProvider="SqlProvider" inherits="YourNamespace.AccountProfile">
<providers>
<clear />
<add name="SqlProvider"
type="System....
How to pass argument to Makefile from command line?
...re is a job which might call this one:
test:
@echo $(call args,defaultstring)
The result would be:
$ make test
defaultstring
$ make test hi
hi
Note! You might be better off using a "Taskfile", which is a bash pattern that works similarly to make, only without the nuances of Maketools. See ...
How to grep for two words existing on the same line? [duplicate]
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Use grep:
grep -wE "string1|String2|...." file_name
Or you can use:
echo string | grep -wE "string1|String2|...."
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