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Xcode duplicate line
...2.1
Instruction
Give permissions to edit the following files. Most of the time OS will not allow you to edit the files.
for 11.3.1 version
sudo chmod 666 /Applications/Xcode.app/Contents/Frameworks/IDEKit.framework/Versions/A/Resources//IDETextKeyBindingSet.plist
sudo chmod 777 /Applications/Xcod...
Passing arguments to C# generic new() of templated type
...r me is consolidating the logic of T creation in one place rather than sometimes creating T inside and sometimes outside of the method.
– Carl G
May 13 '12 at 23:18
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How to compare binary files to check if they are the same?
...ntu Linux) to know if two binary files are the same or not (except for the time stamps)? I do not need to actually extract the difference. I just need to know whether they are the same or not.
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How can I get dict from sqlite query?
...vely support the dictionary API as well). But use the Row object all other times.
def dict_from_row(row):
return dict(zip(row.keys(), row))
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Factors in R: more than an annoyance?
... levels. My brain just cannot remember them and I have to relearn it every time I use it. Recoding should just be a lot easier than it is.
R's string functions are quite easy and logical to use. So when manipulating I generally prefer characters over factors.
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List of lists into numpy array
...y for a while, and found this behavior non-trivial. Thanks for taking the time to explain this more general case.
– Adam Hughes
Oct 29 '14 at 0:07
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Odd behavior when Java converts int to byte?
...t to represent it as an int (32 bits) you simply copy the 1 to the left 24 times.
Now, one way to read a negative two's complement number is to start with the least significant bit, move left until you find the first 1, then invert every bit afterwards. The resulting number is the positive version ...
How can I detect if a browser is blocking a popup?
...lease, can you specify what you mean with "not working"? An error at parse time? An error at runtime? The popup opens but it is marked as blocked? The popup is blocked but it is marked as open? I don't see any reason why explorer would fail this, unless calling focus() on NULL is allowed in which ca...
SQL Server Insert if not exists
...@Marc Durdin for pointing)
Note that under high load, this will still sometimes fail, because a second connection can pass the IF NOT EXISTS test before the first connection executes the INSERT, i.e. a race condition. See stackoverflow.com/a/3791506/1836776 for a good answer on why even wrapping in...
Creating a range of dates in Python
...
Marginally better...
base = datetime.datetime.today()
date_list = [base - datetime.timedelta(days=x) for x in range(numdays)]
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