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App Inventor 2 SemiCircleArc 扩展：高级自定义半圆进度条 · App Inventor 2 中文网
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What is the correct SQL type to store a .Net Timespan with values > 24:00:00?
...o store 24 hours or less.
Source: http://msdn.microsoft.com/en-us/library/cc716729(v=vs.110).aspx
But, if you want to store more than 24h, you are going to need to store it in ticks, retrieve the data and then convert to TimeSpan. For example
int timeData = yourContext.yourTable.FirstOrDefault();...
Case insensitive searching in Oracle
...n 10gR2 it can't really be done and the usual approach, if you don't need accent-insensitive search, is to just UPPER() both the column and the search expression.
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What does -D_XOPEN_SOURCE do/mean?
I recently encountered some code that gcc would not compile without this arg. I checked the gcc man page, but did not find this specific option. I did find XOPEN_SOURCE , but there was little explanation of what it does.
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Batch file to delete files older than N days
...code, and others that required installing extra command line utilities to accomplish the task.
23 Answers
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Setting a WebRequest's body data
...estStream
Code example from http://msdn.microsoft.com/en-us/library/d4cek6cc.aspx
string postData = "firstone=" + inputData;
ASCIIEncoding encoding = new ASCIIEncoding ();
byte[] byte1 = encoding.GetBytes (postData);
// Set the content type of the data being posted.
myHttpWebRequest.ContentType =...
No module named setuptools
...ding/unpacking setuptools
Installing collected packages: pip, setuptools
Successfully installed pip setuptools
Cleaning up...
Sample usage:
>c:\Python33\Scripts\pip.exe install pymysql
Downloading/unpacking pymysql
Installing collected packages: pymysql
Successfully installed pymysql
Cleaning ...
What is the difference between and ?
..., followed by a country code.
What other values can follow the dash? According to w3.org "Any
two-letter subcode is understood to be a [ISO3166] country code." so
does that mean any value listed under the alpha-2 code is an accepted
value?
Yes, however the value may or may not have any ...
What are the dark corners of Vim your mom never told you about? [closed]
...the redo history if you make a change after an undo. It's just not easily accessed. There are plugins to help you visualize this, like Gundo.vim
– Ehtesh Choudhury
Nov 29 '11 at 12:09
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App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 · App Inventor 2 中文网
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