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How to check that a string is an int, but not a double, etc.?
...eger beforehand, so that I can give a helpful error message to the user if it's wrong. PHP has is_int() , but that returns false for string like "2" .
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Git alias with positional parameters
...most obvious way is to use a shell function:
[alias]
files = "!f() { git diff --name-status \"$1^\" \"$1\"; }; f"
An alias without ! is treated as a Git command; e.g. commit-all = commit -a.
With the !, it's run as its own command in the shell, letting you use stronger magic like this.
UPD...
What's the difference between the atomic and nonatomic attributes?
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The last two are identical; "atomic" is the default behavior (note that it is not actually a keyword; it is specified only by the absence of nonatomic -- atomic was added as a keyword in recent versions of llvm/clang).
Assuming that you are @synthesizing the method implementations, atomic vs. no...
Truncating floats in Python
I want to remove digits from a float to have a fixed number of digits after the dot, like:
29 Answers
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jQuery set radio button
I am trying to set a radio button. I want set it by using the value or the id.
12 Answers
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How do I force Postgres to use a particular index?
How do I force Postgres to use an index when it would otherwise insist on doing a sequential scan?
6 Answers
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How to send an email with Python?
...this example, assume that
# the text file contains only ASCII characters.
with open(textfile, 'rb') as fp:
# Create a text/plain message
msg = MIMEText(fp.read())
# me == the sender's email address
# you == the recipient's email address
msg['Subject'] = 'The contents of %s' % textfile
msg['...
Unable to launch the IIS Express Web server
I have an asp.net MVC 4 solution. When I try to open it using Visual studio 2012, I get following error:
53 Answers
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How can I check if a directory exists in a Bash shell script?
What command can be used to check if a directory exists or not, within a Bash shell script?
35 Answers
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Failed to serialize the response in Web API with Json
I am working with ASP.NET MVC 5 Web Api. I want consult all my users.
27 Answers
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