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Check if multiple strings exist in another string
...
You need to iterate on the elements of a.
a = ['a', 'b', 'c']
str = "a123"
found_a_string = False
for item in a:
if item in str:
found_a_string = True
if found_a_string:
print "found a match"
else:
print "no match found"
...
How can I build a small operating system on an old desktop computer? [closed]
..., read, read, read, read. You need to have a firm understanding of how the OS works before you can hope to implement your own.
Grab one of Andrew Tanenbaum's books on operating systems. This is the one we used in my OS class in college:
Modern Operating Systems PDF
Modern Operating Systems on...
RegEx for Javascript to allow only alphanumeric
...ou wanted to return a replaced result, then this would work:
var a = 'Test123*** TEST';
var b = a.replace(/[^a-z0-9]/gi,'');
console.log(b);
This would return:
Test123TEST
Note that the gi is necessary because it means global (not just on the first match), and case-insensitive, which is why I ...
How to debug Lock wait timeout exceeded on MySQL?
...erages calculated from the last 4 seconds
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 9014315, signal count 7805377
Mutex spin waits 0, rounds 11487096053, OS waits 7756855
RW-shared spins 722142, OS waits 211221; RW-excl spins 787046, OS waits 39353
----------------------...
Eclipse Kepler for OS X Mavericks request Java SE 6
I have just made a clean installation of OS X Mavericks , and I have downloaded Eclipse Kepler , but if I execute it, gives me this message:
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FormData.append(“key”, “value”) is not working
...
RudieRudie
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What's the difference between an argument and a parameter?
...turn x + y;
}
At a call-site using add, such as the example shown below, 123 and 456 would be referred to as the arguments of the call.
int result = add(123, 456);
Also, some language specifications (or formal documentation) choose to use parameter or argument exclusively and use adjectives lik...
How do I pass a string into subprocess.Popen (using the stdin argument)?
...e,
you need to give stdout=PIPE and/or
stderr=PIPE too.
Replacing os.popen*
pipe = os.popen(cmd, 'w', bufsize)
# ==>
pipe = Popen(cmd, shell=True, bufsize=bufsize, stdin=PIPE).stdin
Warning Use communicate() rather than
stdin.write(), stdout.read() or
stderr.read()...
what does the __file__ variable mean/do?
...that determine path at runtime, and I would really like to understand the os.path module so that I can start using it.
5 ...
Eclipse copy/paste entire line keyboard shortcut
... Ctrl+Shift+V is now the shortcut that lets you paste in MyClass:123 and jump to line 123, and linkifies stack traces. Probably too useful to overwrite now.
– Noumenon
Feb 16 '18 at 0:49
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