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newline in [duplicate]
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It displays <br> as text string in Chrome.
– TMa
Apr 27 '15 at 9:56
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how to concatenate two dictionaries to create a new one in Python? [duplicate]
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Unless all keys are known to be strings, option 2 is an abuse of a Python 2 implementation detail (the fact that some builtins implemented in C bypassed the expected checks on keyword arguments). In Python 3 (and in PyPy), option 2 will fail with non-string...
How to design a database for User Defined Fields?
...columns for fieldname or tablename is storing metadata identifiers as data strings, and that's the start of a lot of the problems. Also see en.wikipedia.org/wiki/Inner-platform_effect
– Bill Karwin
Mar 3 '11 at 16:51
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How to apply CSS to iframe?
...re is how to apply CSS code directly without using <link> to load an extra stylesheet.
var head = jQuery("#iframe").contents().find("head");
var css = '<style type="text/css">' +
'#banner{display:none}; ' +
'</style>';
jQuery(head).append(css);
This hides th...
How do I use shell variables in an awk script?
...k:
echo "input data" | awk 'BEGIN {print var}' var="${variable}"
Here-string
Variable can also be added to awk using a here-string from shells that support them (including Bash):
awk '{print $0}' <<< "$variable"
test
This is the same as:
printf '%s' "$variable" | awk '{print $0}'
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Does use of final keyword in Java improve the performance?
...ically, which may in the end result in faster code. For example, the final Strings a + b in the example below are concatenated statically (at compile time).
public class FinalTest {
public static final int N_ITERATIONS = 1000000;
public static String testFinal() {
final String a =...
How do I change the color of radio buttons?
... This worked well for me. Great solution when you don't want to add any extra elements or use images.
– Swen
Dec 22 '16 at 15:57
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Append text to input field
...are two options. Ayman's approach is the most simple, but I would add one extra note to it. You should really cache jQuery selections, there is no reason to call $("#input-field-id") twice:
var input = $( "#input-field-id" );
input.val( input.val() + "more text" );
The other option, .val() can ...
How do I use the nohup command without getting nohup.out?
...ting for you to bring it back to the foreground and type something. So the extra-safe version looks like this:
nohup command </dev/null >/dev/null 2>&1 & # completely detached from terminal
Note, however, that this does not prevent the command from accessing the terminal directl...
Get the time difference between two datetimes
...you're really keen on that specific formatting, you'll have to build a new string yourself. A cheap way would be
[diff.asHours(), diff.minutes(), diff.seconds()].join(':')
where var diff = moment.duration(now.diff(then)). This doesn't give you the zero-padding on single digit values. For that, you...