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Setting a system environment variable from a Windows batch file?

... The XP Support Tools (which can be installed from your XP CD) come with a program called setx.exe: C:\Program Files\Support Tools>setx /? SETX: This program is used to set values in the environment of the machine or currently logged on user using one of three...
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Illegal pattern character 'T' when parsing a date string to java.util.Date

...ant.parse("2015-04-28T14:23:38.521Z") and get the correct thing now, especially since you should be using Instant instead of the broken java.util.Date with the most recent versions of Java. You should be using DateTimeFormatter instead of SimpleDateFormatter as well. Original Answer: The expl...
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Is non-blocking I/O really faster than multi-threaded blocking I/O? How?

...nd writing data from hard drives, accessing network resources, calling web services or retrieving data from databases. Depending on the platform and on the kind of operation, asynchronous I/O will usually take advantage of any hardware or low level system support for performing the operation. This m...
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Print in one line dynamically

... From http://docs.python.org/reference/simple_stmts.html#print: > A '\n' character is written at the end, unless the print statement ends with a comma. This is the only action if the statement contains just the keyword print. – ewall ...
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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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Datepicker: How to popup datepicker when click on edittext

...e: <EditText android:id="@+id/Birthday" custom:font="@string/font_avenir_book" android:clickable="true" android:editable="false" android:hint="@string/birthday"/> Now in Java File: final Calendar myCalendar = Calendar.getInstance(); EditText edittext= (EditText) findViewByI...
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Is there a max array length limit in C++?

...se memory is full. For example, a vector<int> of a given size n typically takes multiple times as much memory as an array of type vector<char> (minus a small constant value), since int is usually bigger than char. Therefore, a vector<char> may contain more items than a vector<in...
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TypeError: Missing 1 required positional argument: 'self'

...p.getPumps() Small example - >>> class TestClass: def __init__(self): print("in init") def testFunc(self): print("in Test Func") >>> testInstance = TestClass() in init >>> testInstance.testFunc() in Test Func ...
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Do I need quotes for strings in YAML?

...'s a sample docker-compose.yml file to explain this concept: version: "3" services: traefik: image: traefik:v2.2.1 command: - --api.insecure=true # Don't do that in production - --providers.docker=true - --providers.docker.exposedbydefault=false - --entrypoints.web...
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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 ...