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A quick and easy way to join array elements with a separator (the opposite of split) in Java [duplic
... We should mention that this approach works only for List<CharSequence> or CharSequence[] elements like list or arrays of Strings, StringBuilder.
– Pshemo
Apr 29 '15 at 10:36
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What does an Asterisk (*) do in a CSS selector?
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It is a wildcard, this means it will select all elements within that portion of the DOM.
For example, if I want apply margin to every element on my entire page you can use:
* {
margin: 10px;
}
You can also use this within sub-selections, for example the ...
sed or awk: delete n lines following a pattern
...;/div>/,$d' out.txt but it gives error saying : sed: -e expression #1, char 24: extra characters after command Thanks in advance.
– N mol
Aug 24 '13 at 2:37
8
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What is InnoDB and MyISAM in MySQL?
... INSERT statement can be executed to add rows to the end of the table with select at same time if there are no holes/deleted rows in middle of table (at time of concurrent insert).
The default isolation level og mysql InnoDB is "Read Repeatable". For MyISAM, there is no transaction. InnoDB uses row...
Stop an input field in a form from being submitted
...act with them at all- so if you have a disabled text field, the user can't select the text. If you have a disabled checkbox, the user can't change its state.
You could also write some javascript to fire on form submission to remove the fields you don't want to submit.
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Why does a base64 encoded string have an = sign at the end
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"One case in which padding characters are required is concatenating multiple Base64 encoded files."
– André Puel
Nov 30 '14 at 19:41
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How to flatten tree via LINQ?
...IEnumerable<MyNode> Flatten(IEnumerable<MyNode> e) =>
e.SelectMany(c => Flatten(c.Elements)).Concat(new[] { e });
You can then filter by group using Where(...).
To earn some "points for style", convert Flatten to an extension function in a static class.
public static IEnume...
PHP Replace last occurrence of a String in a String?
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This works as long as there isn't any repeated characters. In my situation I'm striping the page number off the archive date so I have "2015-12/2" and it takes all / and all 2 off the end becoming "2015-1".
– Mike
Jun 3 '16 at 21:00
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How do I set the proxy to be used by the JVM
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Awesome setting jvm arguement works for me like charm.. Thanks
– nanosoft
Dec 9 '14 at 4:51
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What does the “map” method do in Ruby?
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map, along with select and each is one of Ruby's workhorses in my code.
It allows you to run an operation on each of your array's objects and return them all in the same place. An example would be to increment an array of numbers by one:
[...