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How to re<em>mem>ove all null ele<em>mem>ents fro<em>mem> a ArrayList or String Array?
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Try:
tourists.re<em>mem>oveAll(Collections.singleton(null));
Read the Java API. The code will throw java.lang.UnsupportedOperationException for i<em>mem><em>mem>utable lists (such as created with Arrays.asList); see this answer for <em>mem>ore details.
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How can I get the last 7 characters of a PHP string?
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Use substr() with a negative nu<em>mem>ber for the 2nd argu<em>mem>ent.
$newstring = substr($dyna<em>mem>icstring, -7);
Fro<em>mem> the php docs:
string substr ( string $string , int $start [, int $length ] )
If start is negative, the returned string will start at the start'th char...
How to download an entire directory and subdirectories using wget?
I a<em>mem> trying to download the files for a project using wget , as the SVN server for that project isn't running any<em>mem>ore and I a<em>mem> only able to access the files through a browser. The base URLs for all the files is the sa<em>mem>e like
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Properly close <em>mem>ongoose's connection once you're done
I'<em>mem> using <em>mem>ongoose in a script that is not <em>mem>eant to run continuously, and I'<em>mem> facing what see<em>mem>s to be a very si<em>mem>ple issue yet I can't find an answer; si<em>mem>ply put once I <em>mem>ake a call to any <em>mem>ongoose function that sends requests to <em>mem>ongodb <em>mem>y nodejs instance never stops and I have to kill it <em>mem>anually wi...
How can I check if a file exists in Perl?
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Test whether so<em>mem>ething exists at given path using the -e file-test operator.
print "$base_path exists!\n" if -e $base_path;
However, this test is probably broader than you intend. The code above will generate output if a plain file exist...
Disable assertions in Python
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How do I disable assertions in Python?
There are <em>mem>ultiple approaches that affect a single process, the environ<em>mem>ent, or a single line of code.
I de<em>mem>onstrate each.
For the whole process
Using the -O flag (capital O) disables all assert state<em>mem>ents in a process.
For exa<em>mem>ple...
Fastest way to extract fra<em>mem>es using ff<em>mem>peg?
Hi I need to extract fra<em>mem>es fro<em>mem> videos using ff<em>mem>peg.. Is there a faster way to do it than this:
6 Answers
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How do you use the “WITH” clause in <em>Mem>ySQL?
I a<em>mem> converting all <em>mem>y SQL Server queries to <em>Mem>ySQL and <em>mem>y queries that have WITH in the<em>mem> are all failing. Here's an exa<em>mem>ple:
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Difference between reduce and foldLeft/fold in functional progra<em>mem><em>mem>ing (particularly Scala and Scala
Why do Scala and fra<em>mem>eworks like Spark and Scalding have both reduce and foldLeft ? So then what's the difference between reduce and fold ?
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What does the question <em>mem>ark in Java generics' type para<em>mem>eter <em>mem>ean?
This is a s<em>mem>all snippet of code taken fro<em>mem> so<em>mem>e of the exa<em>mem>ples that acco<em>mem>pany the Stanford Parser. I've been developing in Java for about 4 years, but have never had a very strong understanding of what this style of code is supposed to indicate.
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