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static files with express.js
... on a directory. To disable this set false or to supply a new index pass a string or an array in preferred order.
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Is it possible to run a single test in MiniTest?
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This is one of the things that bother me about the string name definition in tests.
When you have:
def test_my_test
end
you always know how your test is named so you can execute it like this:
ruby my_test -n test_my_test
But when you have something like:
it "my test" ...
Regex empty string or email
...ex email validation in SO but I did not find any that will accept an empty string. Is this possible through Regex only? Accepting either empty string or email only? I want to have this on Regex only.
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Iterating over dictionaries using 'for' loops
...onds to', number)
It's a good idea to get into the habit of using format strings:
for letter, number in d.items():
print('{0} corresponds to {1}'.format(letter, number))
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Search for executable files using find command
...des. Octal modes are octal numbers (e.g., 111), whereas symbolic modes are strings (e.g., a=x).
Symbolic modes identify the security principals as u (user), g (group) and o (other), or a to refer to all three. Permissions are expressed as x for executable, for instance, and assigned to principals us...
Node.js Mongoose.js string to ObjectId function
Is there a function to turn a string into an objectId in node using mongoose? The schema specifies that something is an ObjectId, but when it is saved from a string, mongo tells me it is still just a string. The _id of the object, for instance, is displayed as objectId("blah") .
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How to check if running in Cygwin, Mac or Linux?
...he system information (-s parameter).
Use expr and substr to deal with the string.
Use if elif fi to do the matching job.
You can add more system support if you want, just follow the uname -s specification.
Implementation
#!/usr/bin/env bash
if [ "$(uname)" == "Darwin" ]; then
# Do something...
What is the maximum value for an int32?
...67,996,680 till 1,867,996,689 of the decimal digits of Pi
The numeric string 2147483647 appears at the 1,867,996,680 decimal digit of Pi. 3.14......86181221809936452346214748364710527835665425671614...
source: http://www.subidiom.com/pi/
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How can I read a large text file line by line using Java?
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try (BufferedReader br = new BufferedReader(new FileReader(file))) {
String line;
while ((line = br.readLine()) != null) {
// process the line.
}
}
You can read the data faster if you assume there is no character encoding. e.g. ASCII-7 but it won't make much difference. It is...
If unit testing is so great, why aren't more companies doing it? [closed]
... students are not trained for it.
It's easy when you are writing your own string class. When you are testing a real-life product, you run into challenges that nobody told you about in the powerpoint slides:
User interaction. Half of your application is the user interface logic. How do you test it...