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How can I split a shell command over multiple lines when using an IF statement?
...t.sh
succeeded
$ alias fab=false; . ./test.sh
failed
Some detail promoted from the comments: the line-continuation backslash in the shell is not really a special case; it is simply an instance of the general rule that a backslash "quotes" the immediately-following character, preventing any special ...
Does the Java &= operator apply & or &&?
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From the Java Language Specification - 15.26.2 Compound Assignment Operators.
A compound assignment expression of the form E1 op= E2 is equivalent to E1 = (T)((E1) op (E2)), where T is the type of E1, except that E1 is ev...
What is private bytes, virtual bytes, working set?
...perfmon counter descriptions, here is the inside story about private bytes from "Private Bytes Performance Counter -- Beware!" on MSDN:
Q: When is a Private Byte not a Private Byte?
A: When it isn't resident.
The Private Bytes counter reports the commit charge of the process. That is to say, the am...
Rails: Why does find(id) raise an exception in rails? [duplicate]
...elper code which conditionally generates the Previous Post/Next Post links from having to handle the RecordNotFound exception, which would be bad because it would be using an exception for control flow.
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Why can't I center with margin: 0 auto?
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An inline-block covers the whole line (from left to right), so a margin left and/or right won't work here. What you need is a block, a block has borders on the left and the right so can be influenced by margins.
This is how it works for me:
#content {
display: b...
How do I calculate the normal vector of a line segment?
Suppose I have a line segment going from (x1,y1) to (x2,y2). How do I calculate the normal vector perpendicular to the line?
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Convert NSDate to NSString
...matter setTimeZone:[NSTimeZone timeZoneWithName:@"..."]];
NSString *stringFromDate = [formatter stringFromDate:myNSDateInstance];
//unless ARC is active
[formatter release];
Swift 4.2 :
func stringFromDate(_ date: Date) -> String {
let formatter = DateFormatter()
formatter.dateFormat...
Single huge .css file vs. multiple smaller specific .css files? [closed]
...ggest using bundler as part of your build process. Whether you're building from within your IDE, or from a build script, bundler can be executed on Windows via the included exe or can be run on any machine that is already running node.js.
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What goes into your .gitignore if you're using CocoaPods?
...ag or or commit of each dependency so the Pods themselves can be generated from the podfile, ergo they are more like an intermediate build product than a source and, hence, don't need version control in my project.
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How to have stored properties in Swift, the same way I had on Objective-C?
I am switching an application from Objective-C to Swift, which I have a couple of categories with stored properties, for example:
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