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How do I check if a C++ std::string starts with a certain string, and convert a substring to an int?
....rfind("titi") returns 2 so when compared against == 0 would return false) and it would be inefficient (looking through the whole string instead of just the start). But it does not do that because it passes the pos parameter as 0, which limits the search to only match at that position or earlier. Fo...
How can I use a DLL file from Python?
...y.
hllDll = ctypes.WinDLL ("c:\\PComm\\ehlapi32.dll")
# Set up prototype and parameters for the desired function call.
# HLLAPI
hllApiProto = ctypes.WINFUNCTYPE (
ctypes.c_int, # Return type.
ctypes.c_void_p, # Parameters 1 ...
ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c...
Count elements with jQuery
...alent, but the former is preferred. In fact, the latter is now deprecated and shouldn't be used in any new development.
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Remove all special characters from a string in R?
How to remove all special characters from string in R and replace them with spaces ?
3 Answers
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Temporarily change current working directory in bash to run a command [duplicate]
I know I can use cd command to change my working directory in bash.
3 Answers
3
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How to launch html using Chrome at “--allow-file-access-from-files” mode?
...
Search for the path of your Chrome executable and then, on your cmd, try :
> "C:\PathTo\Chrome.exe" --allow-file-access-from-files
Source
EDIT :
As I see on your question, don't forget that Windows is a little bit similar to Unix, so when you type "chrome ...", cm...
How do I remove a big file wrongly committed in git [duplicate]
...did a stupid thing. Imagine that I committed a 100MB file. Then I see this and delete this file and commit again. This is a normal procedure to delete a file.
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Read file data without saving it in Flask
I am writing my first flask application. I am dealing with file uploads, and basically what I want is to read the data/content of the uploaded file without saving it and then print it on the resulting page. Yes, I am assuming that the user uploads a text file always.
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How to change Vagrant 'default' machine name?
... of them to see exactly what they do.
I'm using VirtualBox 4.2.16-r86992 and Vagrant 1.3.3.
I created a directory called nametest and ran
vagrant init precise64 http://files.vagrantup.com/precise64.box
to generate a default Vagrantfile. Then I opened the VirtualBox GUI so I could see what na...
How can I resize an image using Java?
I need to resize PNG, JPEG and GIF files. How can I do this using Java?
17 Answers
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