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Why have header files and .cpp files? [closed]

...dencies so that code that uses the header doesn't necessarily need to know all the details of the implementation and any other classes/headers needed only for that. This will reduce compilation times and also the amount of recompilation needed when something in the implementation changes. It's not ...
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What is INSTALL_PARSE_FAILED_NO_CERTIFICATES error?

I was trying to change my default/main/startup (whatever you call it) activity by editing the androidmanifest.xml file. All i did was change the android:name property. however, this completely broke the entire app. when I try to install it fails and reads. ...
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Max or Default?

...wiggering the spacklerorke, and riding the flying unicorn to Neverland are all meaningless, impossible, undefined. Now, what is it that you actually want to do? share | improve this answer ...
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Is it safe to parse a /proc/ file?

.../proc/mounts was a consistent snapshot. For example: /proc/uptime is totally atomic, as someone mentioned in another answer -- but only since Linux 2.6.30, which is less than two years old. So even this tiny, trivial file was subject to a race condition until then, and still is in most enterpris...
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Mongodb Explain for Aggregation framework

...ther manipulation will be in-memory (possibly using temporary files if the allowDiskUse option is set). Optimizing pipelines In general, you can optimize aggregation pipelines by: Starting a pipeline with a $match stage to restrict processing to relevant documents. Ensuring the initial $match / ...
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What is TypeScript and why would I use it in place of JavaScript? [closed]

... I originally wrote this answer when TypeScript was still hot-off-the-presses. Five years later, this is an OK overview, but look at Lodewijk's answer below for more depth 1000ft view... TypeScript is a superset of JavaScript ...
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Sending Email in Android using JavaMail API without using the default/built-in app

...net.ssl.SSLSocketFactory"); props.put("mail.smtp.socketFactory.fallback", "false"); props.setProperty("mail.smtp.quitwait", "false"); session = Session.getDefaultInstance(props, this); } protected PasswordAuthentication getPasswordAuthentication()...
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How do I abort the execution of a Python script? [duplicate]

... Prints "aa! errors!" and exits with a status code of 1. There is also an _exit() function in the os module. The sys.exit() function raises a SystemExit exception to exit the program, so try statements and cleanup code can execute. The os._exit() version doesn't do this. It just ends the program...
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Assignment in an if statement

... = value as T; if (t != null) { action(t); } } Then call it with: animal.AsIf<Dog>(dog => { // Use dog in here }); Alternatively, you could combine the two: public static void AsIf<T>(this object value, Action<T> action) where T : class { // EVI...
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How To Create Table with Identity Column

...TH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ) ON [PRIMARY] share | improve this answer | follow...