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【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛,有思想、有深度

...层做得好不好,直接决定整个BLE芯片的功耗,灵敏度以及selectivity等射频指标。Link Layer,简称:LL,链路层。LL层是整个BLE协议栈的核心,也是BLE协议栈的难点和重点。像Nordic的BLE协议栈能同时支持20个link(连接),就是LL层的功...
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What's the point of the X-Requested-With header?

... are already loaded. So you can use an AJAX to get the recipe the user has selected but to save time and bandwidth don't load the header/footer/ads. Now you can just write a secondary endpoint for the data like www.example.com/recipe_only/apple_pie but that's harder to maintain and share to other ...
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Undo git reset --hard with uncommitted files in the staging area

... solution. In case of PHPstorm I just had to right click the directory and select show local history and then revert to the last valid state. – Shalom Sam Sep 22 '14 at 4:44 ...
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Get list of passed arguments in Windows batch script (.bat)

...racters such as &? When I try to retrieve several the path of several selected files (using Send To menu and "%*" which pass the args to a .py) it stops the listing at the & caracters. So if for instance the second file contain a & in its name, the the part of the name after the & w...
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Set markers for individual points on a line in Matplotlib

...rve which happens to have markers. So you are expected to have to manually select the points. This subject is interesting and goes deeper, will comment more in a future post, after releasing relevant code. – Ioannis Filippidis Nov 25 '13 at 7:41 ...
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What is sharding and why is it important?

... a DBMS for which the locality is quite restricted (say, a user only fires selects with a 'where username = $my_username') it makes sense to put all the usernames starting with A-M on one server and all from N-Z on the other. By this you get near linear scaling for some queries. Long story short: S...
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What is a PDB file?

...want it to not be generated at all, go to your project's Build properties, select the Release configuration, click on "Advanced..." and under "Debug Info" pick "None". share | improve this answer ...
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How do I set the default locale in the JVM?

...rative privileges.) Under the Language for non-Unicode programs section, select the desired language from the drop down menu. Click OK. The system displays a dialog box asking whether to use existing files or to install from the operating system CD. Ensure that you have the CD ready. ...
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bower init - difference between amd, es6, globals and node

...erify to create a dist/dflow.js file that exports a global dflow var: so I selected globals. Other Updates The command I used to browserify dflow as a window global object was browserify -s dflow -e index.js -o dist/dflow.js I changed it cause I prefer to use require also inside the browser, s...
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specify project file of a solution using msbuild

...ution file know which project configuration to use for each project if you selected solution configuration DebugPro. – Alex Oct 28 '16 at 17:36 ...