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Check number of arguments passed to a Bash script
I would like my Bash script to print an error message if the required argument count is not met.
10 Answers
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Comparing HTTP and FTP for transferring files
What are the advantages (or limitations) of one over the other for transferring files over the Internet?
5 Answers
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Using an HTML button to call a JavaScript function
...here are a few ways to handle events with HTML/DOM. There's no real right or wrong way but different ways are useful in different situations.
1: There's defining it in the HTML:
<input id="clickMe" type="button" value="clickme" onclick="doFunction();" />
2: There's adding it to the DOM ...
What does the exclamation mark mean in a Haskell declaration?
...Basically, it means that it must be evaluated to what's called "weak head normal form" when the data structure value is created. Let's look at an example, so that we can see just what this means:
data Foo = Foo Int Int !Int !(Maybe Int)
f = Foo (2+2) (3+3) (4+4) (Just (5+5))
The function f above...
How do I remove lines between ListViews on Android?
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To remove the separator between items in the same ListView, here is the solution:
getListView().setDivider(null);
getListView().setDividerHeight(0);
developer.android.com # ListView
Or, if you want to do it in XML:
android:divider="@null"
an...
A html space is showing as %2520 instead of %20
...n your url already has a %20 in it, and gets urlencoded again, which transforms the %20 to %2520.
Are you (or any framework you might be using) double encoding characters?
Edit:
Expanding a bit on this, especially for LOCAL links. Assuming you want to link to the resource C:\my path\my file.html:...
Align DIV's to bottom or baseline
I'm trying to align a child div tag to the bottom or baseline of the parent div tag.
10 Answers
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What are markers in Java Logging frameworks and what is a reason to use them?
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This is a rehashed version my answer to the question "Best practices for using Markers in SLF4J/Logback".
Markers can be used to color or mark a single log statement. What you do with these colors, i.e. markers, is entirely up to you. However, two patterns seem to be common for marker usage.
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CSS - Expand float child DIV height to parent's height
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For the parent element, add the following properties:
.parent {
overflow: hidden;
position: relative;
width: 100%;
}
then for .child-right these:
.child-right {
background:green;
height: 100%;
widt...
C# properties: how to use custom set property without private field?
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Once you want to do anything custom in either the getter or the setter you cannot use auto properties anymore.
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