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... InsertColumn
函数原型：int InsertColumn(LPCTSTR strHeading, UINT nFormat, int nCol = -1)
函数作用 ：在nCol指定的地方插入一列
参数说明 ：
StrHeading: 列标题头
nFormat : 列的格式。格式选项见下表：
选项ID
说明
DT_...
How can I make my custom objects Parcelable?
...is here, here (code is taken here), and here.
You can create a POJO class for this, but you need to add some extra code to make it Parcelable. Have a look at the implementation.
public class Student implements Parcelable{
private String id;
private String name;
private Stri...
How to 'insert if not exists' in MySQL?
... exist, it will be created. However, using this method isn’t efficient
for our case: we do not need to overwrite existing records, it’s fine
just to skip them.
Method 2: using INSERT IGNORE Also very simple:
INSERT IGNORE INTO `transcripts`
SET `ensembl_transcript_id` = 'ENSORGT0000000...
List of Timezone ID's for use with FindTimeZoneById() in C#?
...rogram
{
static void Main(string[] args)
{
foreach (TimeZoneInfo z in TimeZoneInfo.GetSystemTimeZones())
Console.WriteLine(z.Id);
}
}
}
The TimeZoneId results on my Windows 7 workstation:
Dateline Standard Time
UTC-11
Samoa ...
Comments in Android Layout xml
... "ctrl + shft + /" (that is, hold control and the shift key then press the forward slash key). The comment code will be created with your cursor in the middle, so you can just start typing.
– LeBeau
Mar 30 '14 at 6:21
...
Convert timestamp to date in MySQL query
...
DATE_FORMAT(FROM_UNIXTIME(`user.registration`), '%e %b %Y') AS 'date_formatted'
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Can I create a One-Time-Use Function in a Script or Stored Procedure?
...
You can do a IF EXISTS check before each run and delete if anything is found.
– Adrian Godong
Jun 11 '09 at 14:36
7
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Get the current first responder without using a private API
...ten want the first responder to resign if the user taps on the background. For this purpose I wrote a category on UIView, which I call on the UIWindow.
The following is based on that and should return the first responder.
@implementation UIView (FindFirstResponder)
- (id)findFirstResponder
{
i...
What is REST? Slightly confused [closed]
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REST is not a specific web service but a design concept (architecture) for managing state information. The seminal paper on this was Roy Thomas Fielding's dissertation (2000), "Architectural Styles and the Design of Network-based Software Architectures" (available online from the University of ...
SQLite table constraint - unique on multiple columns
...
If you already have a table and can't/don't want to recreate it for whatever reason, use indexes:
CREATE UNIQUE INDEX my_index ON my_table(col_1, col_2);
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