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What is the use of ByteBuffer in Java? [closed]
... MappedByteBuffers are very useful especially if the files are big and few groups of blocks are accessed more frequently.
Page sharing: Memory mapped files can be shared between processes as they are allocated in process's virtual memory space and can be shared across processes.
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How to convert all tables from MyISAM into InnoDB?
...eries. just select them all and execute them together. or divide them in groups of 50 queries and run them if there are too many tables in the resultset
– Omkar Kulkarni
Jun 22 '17 at 15:35
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What is the order of precedence for CSS?
...re the number of occurences of single selectors of each of the specificity groups above.
Example: compare #nav ul li a:hover to #nav ul li.active a::after
count the number of id selectors: there is one for each (#nav)
count the number of class selectors: there is one for each (:hover and .active)...
What is the significance of #pragma marks? Why do we need #pragma marks?
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#pragma mark is used to tag the group of methods so you may easily find and detect methods from the Jump Bar. It may help you when your code files reach about 1000 lines and you want to find methods quickly through the category from Jump box.
In a long pro...
Get MIME type from filename extension
...enerictest", "application/xml"},
{".gif", "image/gif"},
{".group", "text/x-ms-group"},
{".gsm", "audio/x-gsm"},
{".gtar", "application/x-gtar"},
{".gz", "application/x-gzip"},
{".h", "text/plain"},
{".hdf", "application/x-hdf"},
{".hdml...
Store boolean value in SQLite
... 755 for instance, each digit refers to a different class of users: owner, group, public. Within each digit 4 is read, 2 is write, 1 is execute so 7 is all of them like binary 111. 5 is read and execute so 101. Make up your own encoding scheme.
I'm just writing something for storing TV schedule ...
Git - fatal: Unable to create '/path/my_project/.git/index.lock': File exists
...udo chown -R username ./*and sudo chgrp -R username ./* to change user and group to your own for all files in the project.
– chech
Jan 2 '15 at 9:46
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Why is this program erroneously rejected by three C++ compilers?
... Do you think I should file a defect report with the Core Language Working Group?
– James McNellis
Apr 1 '11 at 1:27
15
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PHP PDO: charset, set names?
...rset=utf8 in the dsn string works! I was trying to figure out the issue at groups.google.com/d/msg/auraphp/syMS26Rz-q8/9laQr9tR4EoJ
– Hari K T
Nov 14 '13 at 5:17
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How to negate specific word in regex? [duplicate]
I know that I can negate group of chars as in [^bar] but I need a regular expression where negation applies to the specific word - so in my example how do I negate an actual bar , and not "any chars in bar"?
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