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C++ convert hex string to signed integer
...ed one don't deal well with hex strings. The above solution which manually sets the input stream to hex will handle it just fine.
Boost has some stuff to do this as well, which has some nice error checking capabilities as well. You can use it like this:
try {
unsigned int x = lexical_cast<i...
How do I modify fields inside the new PostgreSQL JSON datatype?
...onb '["a",1]' || jsonb '["b",2]' -- will yield jsonb '["a",1,"b",2]'
So, setting a simple key can be done using:
SELECT jsonb '{"a":1}' || jsonb_build_object('<key>', '<value>')
Where <key> should be string, and <value> can be whatever type to_jsonb() accepts.
For setting ...
PHP, get file name without file extension
..."/home/httpd/html/index.php";
$file = basename($path); // $file is set to "index.php"
$file = basename($path, ".php"); // $file is set to "index"
You have to know the extension to remove it in advance though.
However, since your question suggests you have the need for getting the extensio...
Command to list all files in a folder as well as sub-folders in windows
I tried searching for a command that could list all the file in a directory as well as subfolders using a command prompt command.
I have read the help for "dir" command but coudn't find what I was looking for.
Please help me what command could get this.
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How can I display an image from a file in Jupyter Notebook?
... GenomeDiagram uses the ReportLab toolkit which I don't think is supported for inline graphing in IPython.
11 Answers
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How to delete the contents of a folder?
How can I delete the contents of a local folder in Python?
24 Answers
24
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Better way of incrementing build number?
...uild number
build_number = `get_build_number`
/usr/libexec/PlistBuddy -c "Set :CFBundleVersion ${build_number}" ProjDir/Project-Info.plist
PlistBuddy allows you to set any key in a plist file, not just the version number. You can create all the plist files you want, and include them in the resour...
When should I use perror(“…”) and fprintf(stderr, “…”)?
...e, strtol will return LONG_MAX or LONG_MIN if a string is out of range and set errno to ERANGE. So if strtol fails due to out of range, I would use perror.
– freeboy1015
Aug 24 '12 at 2:22
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How to activate an Anaconda environment
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If this happens you would need to set the PATH for your environment (so that it gets the right Python from the environment and Scripts\ on Windows).
Imagine you have created an environment called py33 by using:
conda create -n py33 python=3.3 anaconda
Her...
How do you allow spaces to be entered using scanf?
Using the following code:
11 Answers
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