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Hashing a file in Python
... break
md5.update(data)
sha1.update(data)
print("MD5: {0}".format(md5.hexdigest()))
print("SHA1: {0}".format(sha1.hexdigest()))
What we've done is we're updating our hashes of this bad boy in 64kb chunks as we go along with hashlib's handy dandy update method. This way we use a...
How to evaluate a math expression given in string form?
...criptEngine engine = mgr.getEngineByName("JavaScript");
String foo = "40+2";
System.out.println(engine.eval(foo));
}
}
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Getting the exception value in Python
...
340
use str
try:
some_method()
except Exception as e:
s = str(e)
Also, most exception cla...
Converting a List to a comma separated string
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190
List<int> list = ...;
string.Join(",", list.Select(n => n.ToString()).ToArray())
...
Testing if a checkbox is checked with jQuery
...ed, then I only need to get the value as 1; otherwise, I need to get it as 0. How do I do this using jQuery?
20 Answers
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Check free disk space for current partition in bash
...
207
Yes:
df -k .
for the current directory.
df -k /some/dir
if you want to check a specific d...
Throwing the fattest people off of an overloaded airplane.
...ay you've got an airplane, and it is low on fuel. Unless the plane drops 3000 pounds of passenger weight, it will not be able to reach the next airport. To save the maximum number of lives, we would like to throw the heaviest people off of the plane first.
...
Is String.Format as efficient as StringBuilder
...
NOTE: This answer was written when .NET 2.0 was the current version. This may no longer apply to later versions.
String.Format uses a StringBuilder internally:
public static string Format(IFormatProvider provider, string format, params object[] args)
{
if ((for...
Is there a way to programmatically scroll a scroll view to a specific edit text?
...e
public void run() {
your_scrollview.scrollTo(0, your_EditBox.getBottom());
}
});
}
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'too many values to unpack', iterating over a dict. key=>string, value=>list
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edited Jun 20 at 9:12
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answered Mar 29 '11 at 0:34
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