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一分钟读懂低功耗蓝牙(BLE) MTU交换数据包 - 创客硬件开发 - 清泛IT社区,...

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SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”. error

...lipse, instead of it's embedded maven. That is done in three steps: 1 Install maven on local machine (the test-machine was Ubuntu 10.10) mvn --version Apache Maven 2.2.1 (rdebian-4) Java version: 1.6.0_20 Java home: /usr/lib/jvm/java-6-openjdk/jre Default locale: de_DE, platform encoding: UTF-8 OS...
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AngularJS browser autofill workaround by using a directive

...user's input. Also, 3 seconds is probably too long. You shouldn't have to call $apply() in a $timeout, BTW, it should queue a $digest for you automatically. The real catch: Will your browser beat Angular to execution? What about my browser? This is probably an unwinnable war, which is why Angular ...
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NodeJS - Error installing with NPM

I am installing a certain NodeJS script - Caress . But i am not unable to. I am using Windows 8.1, can anyone tell me what is the problem i am facing, and why is this installation not working. There seems to be a problem with the buffertools dependency, thats far as i can think. Dont know how maybe...
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How to read from a file or STDIN in Bash?

... The following solution reads from a file if the script is called with a file name as the first parameter $1 otherwise from standard input. while read line do echo "$line" done < "${1:-/dev/stdin}" The substitution ${1:-...} takes $1 if defined otherwise the file name of t...
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Table Naming Dilemma: Singular vs. Plural Names [closed]

...t wanted to add this... Is it possible that "User" (or "Users") is not actually a full description of the data held in the table? Not that you should get too crazy with table names and specificity, but perhaps something like "Widget_Users" (where "Widget" is the name of your application or website) ...
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What's the “average” requests per second for a production web application?

... second vs. requests per second. I think requests/second is in that same ballpark(100 to 200) but with streaming it shoots up to 1140 records / second (doing ndjson). Anyways thought I would share more numbers. (not sure if this will change as that was tested streamed through 2 microservices into...
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https connection using CURL from command line

... and Cacerts world and facing a problem while connecting to a server. Basically, I need to test connectivity over https from one machine to another machine. I have a URL to which I need to connect from Machine A (a linux machine) I tried this on command prompt ...
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How to read a line from the console in C?

...ters it read. So you use fgetc: char * getline(void) { char * line = malloc(100), * linep = line; size_t lenmax = 100, len = lenmax; int c; if(line == NULL) return NULL; for(;;) { c = fgetc(stdin); if(c == EOF) break; if(--len == 0)...
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invalid byte sequence for encoding “UTF8”

... the iconv utility to change encoding of the input data. iconv -f original_charset -t utf-8 originalfile > newfile You can change psql (the client) encoding following the instructions on Character Set Support. On that page, search for the phrase "To enable automatic character set conversion". ...