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Extracting an attribute value with beautifulsoup
I am trying to extract the content of a single "value" attribute in a specific "input" tag on a webpage. I use the following code:
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Linq to Sql: Multiple left outer joins
...d how to use one left outer join. I'm using VB.NET. Below is my SQL syntax.
6 Answers
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Disable submit button when form invalid with AngularJS
...re's a demo on Plunker
<form name="myForm">
<input name="myText" type="text" ng-model="mytext" required />
<button ng-disabled="myForm.$invalid">Save</button>
</form>
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What does 'const static' mean in C and C++?
...her modules. Is this correct? If so, why would anyone use it in a C++ context where you can just make it private ?
12 Answ...
How do I rename all folders and files to lowercase on Linux?
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A concise version using the "rename" command:
find my_root_dir -depth -exec rename 's/(.*)\/([^\/]*)/$1\/\L$2/' {} \;
This avoids problems with directories being renamed before files and trying to move files into non-existing directories (e.g. "A/A" into "a/a").
Or, a more verbose version with...
Check whether number is even or odd
...lus operator, but that can be slow. If it's an integer, you can do:
if ( (x & 1) == 0 ) { even... } else { odd... }
This is because the low bit will always be set on an odd number.
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im...
How do I capture SIGINT in Python?
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def signal_handler(sig, frame):
print('You pressed Ctrl+C!')
sys.exit(0)
signal.signal(signal.SIGINT, signal_handler)
print('Press Ctrl+C')
signal.pause()
Code adapted from here.
More documentation on signal can be found here.
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How do I use spaces in the Command Prompt?
... enclose the whole command in quotation marks:
cmd /C ""C:\Program Files (x86)\WinRar\Rar.exe" a "D:\Hello 2\File.rar" "D:\Hello 2\*.*""
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Compiling with g++ using multiple cores
...tiple instances of itself in order to compile large projects quicker (for example 4 source files at a time for a multi-core CPU)?
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Difference between == and ===
...l and it's static func == (lhs:, rhs:) -> Bool function
Let's look at example:
class Person : Equatable {
let ssn: Int
let name: String
init(ssn: Int, name: String) {
self.ssn = ssn
self.name = name
}
static func == (lhs: Person, rhs: Person) -> Bool {
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