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Clearing a string buffer/builder after loop
...ation. Creating of objects requires system resources, space and also takes time. So for long run, avoid declaring them within a loop if possible.
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iPad/iPhone hover problem causes the user to double click a link
I have some websites I built times ago, that use jquery mouse events...I just got an ipad and i noticed that all the mouse over events are translated in clicks...so for instance i have to do two clicks instead of one..(the first hover, than the actual click)
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Determine file creation date in Java
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Java nio has options to access creationTime and other meta-data as long as the filesystem provides it.
Check this link out
For example(Provided based on @ydaetskcoR's comment):
Path file = ...;
BasicFileAttributes attr = Files.readAttributes(file, BasicFileAttri...
C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ p
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So, bottom line. Mutexes are great, and C++11 standardizes them. But sometimes for performance reasons you want lower-level primitives (e.g., the classic double-checked locking pattern). The new standard provides high-level gadgets like mutexes and condition variables, and it also provides low-le...
How to implode array with key and value without foreach in PHP
...ce:
str_replace('=', ':', http_build_query($array, null, ','));
Average time to implode 1000 elements: 0.00012930955084904
Test number two:
Use array_map and implode:
implode(',', array_map(
function ($v, $k) {
return $k.':'.$v;
},
$array,
array_keys...
Symbol for any number of any characters in regex?
...
.*
. is any char, * means repeated zero or more times.
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Get Image size WITHOUT loading image into memory
...y operation too? And if it's lazy, does it read the image data at the same time?
– Mark Ransom
Sep 26 '13 at 17:51
The...
Concatenating null strings in Java [duplicate]
...onversion is
performed on the other operand to
produce a string at run time. The
result is a reference to a String
object (newly created, unless the
expression is a compile-time constant
expression (§15.28))that is the
concatenation of the two operand
strings. The characters of the
...
Removing duplicates from a list of lists
...ecause it's so much easier that it offers good returns on efforts. But sometimes (essentially for "tragically crucial bottlenecks" in deep inner loops of code that's pushing the boundaries of performance limits) one may need to go into much more detail, providing probability distributions, deciding ...
How to track untracked content?
...ve no local changes in it
git add vendor/plugins/open_flash_chart_2
This time when adding the directory, it is not a sub-repository, so the files will be added normally. Unfortunately, since we deleted the .git directory there is no super-easy way to keep things up-to-date with the source reposito...