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Do I need to heartbeat to keep a TCP connection open?
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The connection should remain open regardless but yes it's often common to see protocols implement a heartbeat in order to help detect dead connections, IRC with the PING command for example.
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Javascript Regex: How to put a variable inside a regular expression?
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const regex = new RegExp(`ReGeX${testVar}ReGeX`);
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string.replace(regex, "replacement");
Update
Per some of the comments, it's important to note that you may want to escape the variable if there is potential for malicious content (e.g. the variable comes from user input)
ES6...
Datetime - Get next tuesday
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As I've mentioned in the comments, there are various things you could mean by "next Tuesday", but this code gives you "the next Tuesday to occur, or today if it's already Tuesday":
DateTime today = DateTime.Today;
// The (... + 7) % 7 ensures...
c#: getter/setter
I saw something like the following somewhere, and was wondering what it meant. I know they are getters and setters, but want to know why the string Type is defined like this. Thanks for helping me.
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How do I get an apk file from an Android device?
...e you also need the right permissions to access the directory your file is in. If not, you will need to root the device first.
If you find that many of the APKs are named "base.apk" you can also use this one line command to pull all the APKs off a phone you can access while renaming any "base.apk...
How to delete SQLite database from Android programmatically
...ile system programatically? Can I have a shell script launch adb which in turns runs a shell script in the Android space to do the database deletion? Can I get this done from within a JUnit test case (with a system() call)?
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how to install gcc on windows 7 machine?
I have MinGW on my windows 7 machine. I wish to install and use complete gcc for C compiler. I found there is no single pre-compiled ready-made installation file for this purpose. I checked the following page : http://gcc.gnu.org/install/
It is difficult and I find it above my level of understandi...
'heroku' does not appear to be a git repository
... remote, you need to execute heroku git:remote -a yourapp.
Source: Deploying with Git
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Are there any Java method ordering conventions? [closed]
...ge-ish class (40 or so methods) that is part of a package I will be submitting as course-work. Currently, the methods are pretty jumbled up in terms of utility public/private etc. and I want to order them in a sensible way. Is there a standard way of doing this? E.g. normally fields are listed befor...
How to host a Node.Js application in shared hosting [closed]
How to host a Node.Js application in a shared hosting
5 Answers
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