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What is time_t ultimately a typedef to?

...IX-compliant systems implement the time_t type as a signed integer (typically 32 or 64 bits wide) which represents the number of seconds since the start of the Unix epoch: midnight UTC of January 1, 1970 (not counting leap seconds). Some systems correctly handle negative time values, w...
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Include all existing fields and add new fields to document

...t aggregation stage where I can instruct it to add a new field and include all existing fields, without having to list all the existing fields. ...
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Is there a performance difference between a for loop and a for-each loop?

... iterator or index variable completely. The resulting idiom applies equally to collections and arrays: // The preferred idiom for iterating over collections and arrays for (Element e : elements) { doSomething(e); } When you see the colon (:), read it as “in.” Thus, the loop ab...
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Code Golf: Collatz Conjecture

...sp+0x04], 2 jne .usage mov ebx, [esp+0x08] push dword [ebx+0x04] call atoi add esp, 4 cmp eax, 0 je .usage mov ebx, eax push eax push msg .loop: mov [esp+0x04], ebx call printf test ebx, 0x01 jz .even .odd: lea ebx, [1+ebx*2+ebx] jmp .loop .even: shr ebx, 1 ...
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C++代码执行安装包静默安装 - C/C++ - 清泛网 - 专注C/C++及内核技术

... szCmdline = _T("/NCRC /S /D=\""); szCmdline.Append( DEFAULT_INSTALL_PATH ); szCmdline.Append( _T("\"") ); CreateProcess( szSetupPath, szCmdline.GetBuffer(), NULL, FALSE, NULL, NULL, NULL, szWorking, &si, &pi ); WaitForSingleObject( m_hCreatePackage, INFINITE ); // 这种方...
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PHP CURL DELETE request

... I finally solved this myself. If anyone else is having this problem, here is my solution: I created a new method: public function curl_del($path) { $url = $this->__url.$path; $ch = curl_init(); curl_setopt($ch, CU...
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Batch File; List files in directory, only filenames?

...s is probably a very simple question, but I'm having trouble with it. Basically, I am trying to write a Batch File and I need it to list all the files in a certain directory. The dir command will do this, but it also gives a bunch of other information; I want it to list ONLY the file names and e...
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Can comments be used in JSON?

... No. The JSON should all be data, and if you include a comment, then it will be data too. You could have a designated data element called "_comment" (or something) that would be ignored by apps that use the JSON data. You would probably be bett...
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SQL Server - Create a copy of a database table and place it in the same database?

...a new table with the same column structure (just like he said) and inserts all data into the new table for you. – user5855178 Apr 5 '17 at 14:14 1 ...
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How to get POSTed JSON in Flask?

... First of all, the .json attribute is a property that delegates to the request.get_json() method, which documents why you see None here. You need to set the request content type to application/json for the .json property and .get_jso...