大约有 47,000 项符合查询结果（耗时：0.0539秒） [XML]
Multiple DB Contexts in the Same DB and Application in EF 6 and Code First Migrations
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Do I have to have a separate connection string for each context or is there a way around that?
– Lrayh
Feb 4 '14 at 15:20
3
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Show percent % instead of counts in charts of categorical variables
... shows what additional columns are added to the data frame by ggplot2. All extra columns are of the form ..variable...
– Ramnath
May 17 '14 at 13:42
1
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How to open standard Google Map application from my application?
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You should create an Intent object with a geo-URI:
String uri = String.format(Locale.ENGLISH, "geo:%f,%f", latitude, longitude);
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(uri));
context.startActivity(intent);
If you want to specify an address, you should use ...
How to access command line parameters?
... functions return an iterator over the arguments. The former iterates over Strings (that are easy to work with) but panics if one of the arguments is not valid unicode. The latter iterates over OsStrings and never panics.
Note that the first element of the iterator is the name of the program itself...
Check if value exists in Postgres array
...also works
on t2.panel = ANY(t1.other_name)
I am just guessing that the extra casting is required because the parse does not have to fetch the table definition to figure the exact type of the column. Others please comment on this.
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Camera access through browser
...ctures from an HTML5 page and upload them to your server. It requires some extra programming on the server, but apart from PhoneGap, I have not found another way.
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Colorized Ruby output to the terminal [closed]
...hat works like the gem colorize without needing another dependency.
class String
# colorization
def colorize(color_code)
"\e[#{color_code}m#{self}\e[0m"
end
def red
colorize(31)
end
def green
colorize(32)
end
def yellow
colorize(33)
end
def blue
colorize(...
How do I create a readable diff of two spreadsheets using git diff?
... Doesn't this do cell by cell comparison? I mean if left side has one extra row at top, it will give all the remaining rows (and cells) different. If it is like that, that is not very useful.
– Hammad Khan
Nov 16 '11 at 14:12
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How does delete[] “know” the size of the operand array?
... but to get the size myself in that same function I have to pass around an extra parameter. Does that make any sense?
– Mark Ruzon
Jun 11 '09 at 0:16
28
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What is the best way to auto-generate INSERT statements for a SQL Server table?
..._Type varchar(128),
@Actual_Values varchar(8000), --This is the string that will be finally executed to generate INSERT statements
@IDN varchar(128) --Will contain the IDENTITY column's name in the table
--Variable Initialization
SET @IDN = ''
SET @Column_ID = 0
SET @Column...