大约有 19,000 项符合查询结果(耗时:0.0365秒) [XML]
Is “IF” expensive?
...ranch-free programming techniques in a higher level environment, such as a scripting language or a business logic layer (regardless of language), may be ridiculously inappropriate.
The vast majority of the time, programs should be written for clarity first and optimized for performance second. The...
Why aren't programs written in Assembly more often? [closed]
...
@dwelch: I guess there might be some script-kiddies who don't bother to find out how they're tools are used. But I doubt people like them would ever be able to write fast assembler code.
– Niki
Apr 22 '10 at 6:51
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Capture screenshot of active window?
.../questions/701798/…) and this (social.msdn.microsoft.com/Forums/en/netfxjscript/thread/…), hope this helps
– Arsen Mkrtchyan
Feb 2 '12 at 8:45
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What does the C++ standard state the size of int, long type to be?
...inition, sizeof(char) is 1, notwithstanding the test in the Perl configure script.
Note that there were machines (Crays) where CHAR_BIT was much larger than 8. That meant, IIRC, that sizeof(int) was also 1, because both char and int were 32-bit.
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Is it possible to dynamically compile and execute C# code fragments?
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@Crash893: A scripting system for pretty much any sort of designer application could make good use of this. Of course, there are alternatives such as IronPython LUA, but this is certainly one. Note that a plugin system would be better dev...
PDO Prepared Inserts multiple rows in single query
...to create the $data array has 28 cols and is about 80,000 lines. The final script took 41s to complete.
Using array_push() to create $insert_values instead of array_merge() resulted in a 100X speed up with execution time of 0.41s.
The problematic array_merge():
$insert_values = array();
foreach(...
How do I clear a search box with an 'x' in bootstrap 3?
...to;
font-size: 14px;
cursor: pointer;
color: #ccc;
}
and Javascript:
$("#searchclear").click(function(){
$("#searchinput").val('');
});
Of course you have to write more Javascript for whatever functionality you need, e.g. to hide the 'x' if the input is empty, make Ajax requests...
How can I make an “are you sure” prompt in a Windows batchfile?
...RE=N before the prompt in order to clear the choice if you already ran the script before in that command window. Without it the default will remain the previously selected choice.
– isapir
Dec 26 '14 at 21:05
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How to search and replace globally, starting from the cursor position and wrapping around the end of
...d('<cword>')<CR>>//<Left>
" And that command calls a script-local function.
command! -nargs=1 Substitute call s:Substitute(<q-args>)
function! s:Substitute(patterns)
if getregtype('s') != ''
let l:register=getreg('s')
endif
normal! qs
redir => l:replacemen...
Why does Math.Round(2.5) return 2 instead of 3?
...even is supposed to minimize that) (a).
Follow these links for the MSDN descriptions of:
Math.Floor, which rounds down towards negative infinity.
Math.Ceiling, which rounds up towards positive infinity.
Math.Truncate, which rounds up or down towards zero.
Math.Round, which rounds to the nearest i...
