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What's “requestCode” used for on PendingIntent?

... the documentation doesn't say anything about it? Is it possible to remove all alarms of a certain type, no matter what is the requestCode? – android developer Feb 3 '14 at 12:36 ...
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Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术

...g,其配置大致如下所示: shell> cat /etc/syslog.conf # Log all kernel messages to the console. # Logging much else clutters up the screen. # kern.* /dev/console # Log anything (except mail) of level info or higher. # Don't log private authentication messages! *.info;mail.none;...
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To Workflow or Not to Workflow?

... match, so no problems there. Regarding your concerns you are right. Basically WF4 is a new product and is lacking some important features and has some rough edges. There is a learning curve, you do have to do some things differently. The main point is long running and serialization, which is somet...
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How dangerous is it to access an array out of bounds?

... repeatedly accessing a single memory location in a tight loop could literally cause that chunk of memory to melt. Other possibilities include destroying a CRT display, and moving the read/write head of a disk drive with the harmonic frequency of the drive cabinet, causing it to walk across a table...
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Rollback to an old Git commit in a public repo

...hould be good. You can undo this by git reset --hard that will delete all modifications from the working directory and staging area. share | improve this answer | follow...
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“CAUTION: provisional headers are shown” in Chrome debugger

...ield to find the event related to your resource (use parts of the URL). Finally, click on the event and see if the info shown tells you something. For Older Versions of chrome Type chrome://net-internals in the address bar and hit enter. Open the page that is showing problems. Go back to net-int...
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How can I pad a value with leading zeros?

... If performance is a concern for you, don't use this solution! Potentially outdated: ECMAScript 2017 includes String.prototype.padStart and Number.prototype.toLocaleString is there since ECMAScript 3.1. Example: var n=-0.1; n.toLocaleString('en', {minimumIntegerDigits:4,minimumFractionDigits:2...
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SET versus SELECT when assigning variables?

...ed then SET will assign NULL, where SELECT will not make the assignment at all (so the variable will not be changed from its previous value) As far as speed differences - there are no direct differences between SET and SELECT. However SELECT's ability to make multiple assignments in one shot does ...
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Check synchronously if file/directory exists in Node.js

... Note that fs.exists() is deprecated, but fs.existsSync() is not. (The callback parameter to fs.exists() accepts parameters that are inconsistent with other Node.js callbacks. fs.existsSync() does not use a callback.) You've specifically asked for a synchronous check, but if you can use an ...
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Elegant way to search for UTF-8 files with BOM?

For debugging purposes, I need to recursively search a directory for all files which start with a UTF-8 byte order mark (BOM). My current solution is a simple shell script: ...