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How to commit a change with both “message” and “description” from the command line? [duplicate]
I'm new to both git and GitHub. I managed to set up everything locally on my Mac, so that now I can push commits to GitHub via git (on the command line, not the Mac app).
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C++: How to round a double to an int? [duplicate]
I have a double (call it x), meant to be 55 but in actuality stored as 54.999999999999943157 which I just realised.
5 Answe...
Following git-flow how should you handle a hotfix of an earlier release?
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You could change git-flow to setting the release tags on the release branches. That's a fairly major change. It would break the current scripts. Also, what would master then contain?
– Klas Mellbourn
May 5 '13 at 16...
Determine which JAR file a class is from
...fileName = URLDecoder.decode(uri.substring("jar:file:".length(), idx), Charset.defaultCharset().name());
return new File(fileName).getAbsolutePath();
} catch (UnsupportedEncodingException e) {
throw new InternalError("default charset doesn't exist. Your VM is borked.");
}
}
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Why does !{}[true] evaluate to true in JavaScript?
...ng when you run it is the result of an ambiguity. Javascript has a defined set of rules as to how to handle ambiguities like this, and in this case, it breaks what you see as a signle statement down into two separate statements.
So Javascript sees the above code as two separate statements: Firstly,...
How can I check if a key is pressed during the click event with jQuery?
...ast in decent browsers) the event object usually has also those properties set.
– kkyy
Mar 15 '10 at 7:43
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How do I do multiple CASE WHEN conditions using SQL Server 2008?
...needed to add a year and month variable
declare @yr int
declare @mth int
set @yr=(select case when month(getdate())=1 then YEAR(getdate())-1 else YEAR(getdate())end)
set @mth=(select case when month(getdate())=1 then month(getdate())+11 else month(getdate())end)
Now I just add the variable into ...
What is the result of % in Python?
What does the % in a calculation? I can't seem to work out what it does.
19 Answers
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Initialize a long in Java
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
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Check Whether a User Exists
...so, if you turn this snippet into a function or script, I suggest you also set your exit code appropriately:
#!/bin/bash
user_exists(){ id "$1" &>/dev/null; } # silent, it just sets the exit code
if user_exists "$1"; code=$?; then # use the function, save the code
echo 'user found'
else
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