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How are zlib, gzip and zip related? What do they have in common and how are they different?
...educed with compression factor 4
6 - The file is Imploded
7 - Reserved for Tokenizing compression algorithm
8 - The file is Deflated
9 - Enhanced Deflating using Deflate64(TM)
10 - PKWARE Data Compression Library Imploding (old IBM TERSE)
11 - Reserved by PKWARE
12 - File is compressed using BZIP2 a...
How many String objects will be created when using a plus sign?
...catenating in a loop. E.g. How many string objects does the following code allocate: string s = ""; for (int i = 0; i < n; i++) s += "a";
– Joren
Feb 3 '12 at 20:08
1
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C# member variable initialization; best practice?
... If an exception is thrown in a field initializer, any resources that were allocated in previous initializers will be abandoned; there's no way to prevent it. Other errors in construction can be dealt with, if awkwardly, by having a protected base constructor accept an IDisposable by reference, and...
Does Ruby regular expression have a not match operator like “!~” in Perl?
... you can easily negate. According to the release notes, it does even fewer allocations than !~
– panmari
May 28 '18 at 20:52
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Having links relative to root?
...tml#h-12.4.
Suggested reading:
http://www.motive.co.nz/glossary/linking.php
http://www.communitymx.com/content/article.cfm?cid=AEDCC52C4AD230AD
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File input 'accept' attribute - is it useful?
...
If specified, the attribute must consist of a
set of comma-separated tokens,
each of which must be an
ASCII case-insensitive
match for one of the following:
The string audio/*
Indicates that sound files are accepted.
The string video/*
Indicates that video fi...
Enumerable.Empty() equivalent for IQueryable
...umerable.Empty<T>().AsQueryable();
are preferred. Array.Empty will allocate a static typed array so only one empty array of T is created and that is shared amongst all Empty queryables.
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Can we instantiate an abstract class?
...that here: -
Whenever a new class instance is created, memory space is allocated
for it with room for all the instance variables declared in the class
type and all the instance variables declared in each superclass of the
class type, including all the instance variables that may be hidden....
Why is string concatenation faster than array join?
...y overhead.
On the other hand ['abc', 'def'].join('') would usually just allocate memory to lay out the new string flat in memory. (Maybe this should be optimized)
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WKWebView not loading local files under iOS 8
...athComponent;
... then start it up like so:
_webServer = [[GCDWebServer alloc] init];
[_webServer addGETHandlerForBasePath:@"/" directoryPath:docRoot indexFilename:@"index.html" cacheAge:3600 allowRangeRequests:YES];
[_webServer startWithPort:port bonjourName:nil];
To stop it:
[_webServer stop...