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How to convert an Array to a Set in Java
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For JDK < 8, I would just write the obvious for loop to do the wrap and add-to-set in one pass.
For JDK >= 8, an attractive option is something like:
Arrays.stream(intArray).boxed().collect(Collectors.toSet());
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How can I get the length of text entered in a textbox using jQuery?
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For me its not text box its a span tag and this worked for me.
var len = $("span").text().length;
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Bash: If/Else statement in one line
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Is it necessary to re-direct the output of the ps command to a file ? Would this not work ? if ps aux | grep some_proces[s]; then echo 1; else echo 0; fi. Locally it seems to work for me. Is it because OP had the redirection in the command he tried?
– user...
Run single test from a JUnit class using command-line
... that will allow me to run a single test from a JUnit class using only command-line and java.
3 Answers
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How can I make git do the “did you mean” suggestion?
... help.autocorrect 5 will make it wait half a second before running the command so you can see the message first.
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MongoDB: update every document on one field
... all of these instances of foo. After running that I do a db.foo.findOne() and lastLookedAt is: 1327691719186, which translates to jruby-1.6.5 :011 > Time.at(1327691719186) => Sun Nov 16 02:19:46 -0500 44042
– randombits
Jan 27 '12 at 19:16
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How do you remove an array element in a foreach loop?
... callback instead of the value ARRAY_FILTER_USE_BOTH - pass both value and key as arguments to callback instead of the value Default is 0 which will pass value as the only argument to callback instead. That said, reading the answer again in this case of course it would not matter as you claim....
Regular expression to find URLs within a string
...g for URLs. For example, I would like to be able to find www.google.com and http://yahoo.com in the following string:
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How do I combine two data frames?
I'm using Pandas data frames. I have a initial data frame, say D . I extract two data frames from it like this:
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How can I modify the size of column in a MySQL table?
I have created a table and accidentally put varchar length as 300 instead of 65353 . How can I fix that?
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