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Why in Java 8 split sometimes removes empty strings at start of result array?
...of the reference implemetation in Java 7 and Java 8. The code is retrieved from grepcode, for version 7u40-b43 and 8-b132.
Java 7
public String[] split(CharSequence input, int limit) {
int index = 0;
boolean matchLimited = limit > 0;
ArrayList<String> matchList = new ArrayList...
How to create a fixed-size array of objects
...ngle value, it cannot be nil. (Also note that [SKSpriteNode?] is different from [SKSpriteNode]?... you want an array of optionals, not an optional array.)
Swift is very explicit by design about requiring that variables be initialized, because assumptions about the content of uninitialized reference...
What data type to use for hashed password field and what length?
...ion is not strong enough for storing passwords. You should read the answer from Gilles on this thread for a more detailed explanation.
For passwords, use a key-strengthening hash algorithm like Bcrypt or Argon2i. For example, in PHP, use the password_hash() function, which uses Bcrypt by default.
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How to default to other directory instead of home directory
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Just write that line to a file "cd.sh", then do this from your shell prompt:
. ./cd.sh
Or you can create an alias or function in your $HOME/.bashrc file:
foo() { cd /d/work_space_for_my_company/project/code_source ; }
If the directory name includes spaces or other shell m...
How can I get useful error messages in PHP?
...t to make these changes at the .ini file level. Turning on error reporting from within a script is useless, as it won't help with syntax errors or other fatal errors that kill the compile phase. The script gets killed long before it begins executing and reaches the reporting overrides.
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Best Practice for Forcing Garbage Collection in C#
... out?
By not letting it fill up, you are wasting your time walking to and from the garbage bin outside. This analogous to what happens when the GC thread runs - all the managed threads are suspended while it is running. And If I am not mistaken, the GC thread can be shared among multiple AppDomains...
Dynamically load a JavaScript file
... What can I do to get it working for cross-domain? (loading script from http://web.archive.org/web/20140905044059/http://www.howtocreate.co.uk/operaStuff/userjs/aagmfunctions.js)
– user2284570
Sep 14 '14 at 2:28
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Can I change all my http:// links to just //?
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I've found from my logs instances of what seem to be web spider robots (source unknown) trying to use the protocol-less links and not handling them correctly as well.
– Kzqai
Oct 13 '11 at 16:25
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How to implement a tree data-structure in Java? [closed]
...to do what you need.
All you need to add are methods for add to, removing from, traversing, and constructors. The Node is the basic building block of the Tree.
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Is there a valid reason for enforcing a maximum width of 80 characters in a code file, this day and
...dability. Narrow code can be read quickly without having to scan your eyes from side to side.
I think the last point is the most important. Though displays have grown in size and resolution in the last few years, eyes haven't.
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