大约有 42,000 项符合查询结果(耗时:0.0395秒) [XML]

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Check if a program exists from a Makefile

...some of the existing solutions here... REQUIRED_BINS := composer npm node php npm-shrinkwrap $(foreach bin,$(REQUIRED_BINS),\ $(if $(shell command -v $(bin) 2> /dev/null),$(info Found `$(bin)`),$(error Please install `$(bin)`))) The $(info ...) you can exclude if you want this to be quiete...
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How big can a user agent string get?

...ind the fastest hash algorithm that didn't produce any collisions. For my PHP environment I found md5 performed quickly at 2.3 seconds with no collisions. Interestingly I tried crc32 and crc32b and they also performed at 2.3 seconds with no collisions. But, because md5 has more combinations than c...
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Breaking out of a nested loop

..... This syntax would be incompatible with the goto labels available in C#. PHP uses something else: break 3; Put the number of levels after the break statement. – ygoe Jun 27 '14 at 8:33 ...
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Generate colors between red and green for a power meter?

...t how to improve a color algorithm i have for coloring a bar chart in HTML/PHP... SO suggested this question as similar and your answer helped me fix the issue without having to ask the question! Thanks! – beggs Jul 30 '09 at 3:49 ...
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Using XPATH to search text containing  

... Got to work this with PHP successfully as well: $col = $xpath->query("//p[text()=\"\xC2\xA0\"]"); – hakre Jul 23 '11 at 17:37 ...
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Best way to include CSS? Why use @import?

... files. When you include them as <link tags you can use existing minify php/dotnet/java modules to do the minification. So: use <link /> instead of @import. share | improve this answer ...
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Which Java Collection should I use?

...ndex, you access them by their key, which is any object. Like the array in PHP :) Data in Map are searchable by their key. Typical operation: get an element by its ID (where ID is of any type, not only int as in case of List). The differences Set vs. Map: in Set you search data by themselves, whi...
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Is non-blocking I/O really faster than multi-threaded blocking I/O? How?

...though threads are relatively easy to create and use, the operating system allocates a significant amount of time and other resources to manage them." CreateThread documentation on MSDN says "However, your application will have better performance if you create one thread per processor and build queu...
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What are the differences between the threading and multiprocessing modules?

...faster to create and manage than processes (because the OS doesn't need to allocate a whole new virtual memory area), and inter-thread communication is usually faster than inter-process communication. But threads are harder to program. Threads can interfere with one another, and can write to each ot...
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How to do a newline in output

... It seems that both Ruby and PHP do not expand escape sequences in single quoted strings. – kjagiello Dec 31 '13 at 15:02 2 ...