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How to convert a String into an ArrayList?
In my String, I can have an arbitrary number of words which are comma separated. I wanted each word added into an ArrayList. E.g.:
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Should a return statement be inside or outside a lock?
...e of the try/finally - however, the return outside the lock still requires extra locals which can't be optimised away - and takes more code...
– Marc Gravell♦
Nov 5 '08 at 21:18
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Rails 3: Get Random Record
...ect_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
+----+-------------+-------+------+---------------+------+---------+------+--------+---------------------------------+
| 1 | SIMPLE | users | ALL | NULL | NULL | NULL | NUL...
How to retrieve form values from HTTPPOST, dictionary or?
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@Goose, because it is magic strings. You don't get any compile time safety. Your code will fail at runtime if you make a typo in the name of the variable whereas if you are using strong typing, the compiler will be your friend.
– D...
Image inside div has extra space below the image
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Explanation: why is there a gap under the image?
The gap or extra space under the image isn't a bug or issue, it is the default behaviour. The root cause is that images are replaced elements (see MDN replaced elements). This allows them to "act like image" and have their own intrinsic...
Create Directory When Writing To File In Node.js
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Node <= 10.11.0
You can solve this with a package like mkdirp or fs-extra. If you don't want to install a package, please see Tiago Peres França's answer below.
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Breakpoint on property change
... Best solution for anyone trying to debug from dev console. No extra effort to reuse on any website, awesome!
– Chris Hayes
Jul 29 at 21:16
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Find the most common element in a list
...same basic idea, just expressed more simply and compactly... but, alas, an extra O(N) auxiliary space (to embody the groups' iterables to lists) and O(N squared) time (to get the L.index of every item). While premature optimization is the root of all evil in programming, deliberately picking an O(N ...
How to determine SSL cert expiration date from a PEM encoded certificate?
... the -noout option to see a helpful message using a single command without extra logic. E.g., openssl x509 -checkend 0 -in file.pem will give the output "Certificate will expire" or "Certificate will not expire" indicating whether the certificate will expire in zero seconds.
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Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?
...usage with 1==1, while just using 1 will replace 1, isn't the first method extra comparision overhead... or it is made optimized compiler ?
– pinkpanther
Jun 9 '13 at 13:32
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