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How to install Boost on Ubuntu
...libicu-dev build-essential libbz2-dev libboost-all-dev
Boost's bootstrap setup:
./bootstrap.sh --prefix=/usr/
Then build it with:
./b2
and eventually install it:
sudo ./b2 install
share
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Update a table using JOIN in SQL Server?
...n the CommonField and also filter on it afterward. Try this:
UPDATE t1
SET t1.CalculatedColumn = t2.[Calculated Column]
FROM dbo.Table1 AS t1
INNER JOIN dbo.Table2 AS t2
ON t1.CommonField = t2.[Common Field]
WHERE t1.BatchNo = '110';
If you're doing something really silly - like consta...
How to add a new method to a php object on the fly?
How do I add a new method to an object "on the fly"?
9 Answers
9
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LINQPad [extension] methods [closed]
Does anyone have a complete list of LINQPad extension methods and methods, such as
4 Answers
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Is it safe to remove selected keys from map within a range loop?
...ap source code. It looks like on a call to delete(k, v), it basically just sets a flag (as well as changing the count value) instead of actually deleting the value:
b->tophash[i] = Empty;
(Empty is a constant for the value 0)
What the map appears to actually be doing is allocating a set numbe...
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
...的UUID是0x180D，使用的UUID基数是：00000000-0000-1000-8000-00805F9B34FB。
厂商自定义UUID：同样采用UUID基数 + 16位UUID的形式，由厂商定义，如BLE串口服务的UUID是0x001，使用的UUID基数是：6E400001-B5A3-F393-E0A9-E50E24DCCA9E。
标准16位UUID技术文...
Git stash: “Cannot apply to a dirty working tree, please stage your changes”
...pply stashed changes to a dirty working copy, e.g. pop more than one changeset from the stash, I use the following:
$ git stash show -p | git apply -3 && git stash drop
Basically it
creates a patch
pipes that to the apply command
if there are any conflicts they will need to be resolved...
Debugging Package Manager Console Update-Database Seed Method
...vate readonly T _dbcontext;
public Exception Exception { get; private set; }
public bool WaitBeforeExit { get; private set; }
public SeedApplicationContext(Action<T> seedAction, T dbcontext, bool waitBeforeExit = false)
{
_dbcontext = dbcontext;
_seedAction = seed...
Aligning text and image on UIButton with imageEdgeInsets and titleEdgeInsets
... and the start of text. The control itself is Center aligned horizontally (set through Interface Builder)
13 Answers
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Understanding Fragment's setRetainInstance(boolean)
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As far as I can tell, if you have setRetainInstance(true), the Fragment java object, and all its contents are not destroyed on rotation, but the view is recreated. That is onCreatedView() is called again. It's basically the way it should have worked with Acti...