大约有 23,000 项符合查询结果(耗时:0.0287秒) [XML]

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Read file line by line using ifstream in C++

...; while (infile >> a >> b) { // process pair (a,b) } Line-based parsing, using string streams: #include <sstream> #include <string> std::string line; while (std::getline(infile, line)) { std::istringstream iss(line); int a, b; if (!(iss >> a >> ...
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Ruby on Rails: how do I sort with two columns using ActiveRecord?

...rs. The updated_at column will be a full timestamp, so if you want to sort based on the day it was updated, you need to use a function to get just the date part from the timestamp. In MySQL, that is DATE(). share | ...
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Android: How to put an Enum in a Bundle?

... Based on this: stackoverflow.com/questions/15521309/…, custom Enums are not serializable. So the custom fields in an Enum will not be serialized. How do you deal with this? – b.lit Ja...
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Improve INSERT-per-second performance of SQLite

... 64 On bulk inserts Inspired by this post and by the Stack Overflow question that led me here -- I...
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Tools for JPEG optimization? [closed]

...ge had an original size of 67,737 bytes. Using kraken.io, it went down to 64,718 Using jpegtran, it went down to 64,718 Using yahoo smush-it, it went down to 61,746 Using imagemagick (-strip), it went down to 65,312 The smush.py option looks promising, but the installation was too complex for me t...
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Download attachments using Java Mail

..."00000000009661222736_236225959_20130731-7.txt" Content-Transfer-Encoding: base64 so in this case, you can also check for filename. Like this: if (!Part.ATTACHMENT.equalsIgnoreCase(part.getDisposition()) && StringUtils.isBlank(part.getFileName())) {...} EDIT there is whole working cod...
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Maximum filename length in NTFS (Windows XP and Windows Vista)?

...Rosenfield 346k9090 gold badges477477 silver badges564564 bronze badges 4 ...
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How can I change the color of a part of a TextView?

... Here's a colorize function based on andyboot's answer: /** * Colorize a specific substring in a string for TextView. Use it like this: <pre> * textView.setText( * Strings.colorized("The some words are black some are the default.","black"...
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Is there a standardized method to swap two variables in Python?

...backs are of the approach that Python takes. Also remember that having a "64-bit" operating system means that storing a memory address takes up 64 bits of memory - that's part of where I got my "24 bytes" number from. – Brilliand Sep 16 '19 at 23:19 ...
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How can I run MongoDB as a Windows service?

... mongod.lock file. This still appears to be an issue with 1.8.1 running on 64-bit. – SethO Apr 25 '11 at 15:04 4 ...