大约有 37,000 项符合查询结果(耗时:0.0244秒) [XML]

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Better techniques for trimming leading zeros in SQL Server?

...eading-zero's. If you plan on reusing it a lot, then place it in an Inline-Table-Valued-Function (ITVF). Your concerns about performance problems with UDF's is understandable. However, this problem only applies to All-Scalar-Functions and Multi-Statement-Table-Functions. Using ITVF's is perfectly fi...
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Why use the SQL Server 2008 geography data type?

... of 18 bytes) for a real comparison. So comparing storage types: CREATE TABLE dbo.Geo ( geo geography ) GO CREATE TABLE dbo.LatLng ( lat decimal(15, 12), lng decimal(15, 12) ) GO INSERT dbo.Geo SELECT geography::Point(12.3456789012345, 12.3456789012345, 4326) UNION ALL SELEC...
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Resize image in the wiki of GitHub using Markdown

...inside the wiki). Additionally, I had to add one or two images inside of a table. The pipe character was giving me grief because of typical table formatting in markdown. Escaping the pipe inside a table cell is still valid: [[ http://url.to/img.png \| height=48px]]. – DanMad ...
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Multiple DB Contexts in the Same DB and Application in EF 6 and Code First Migrations

...me connection string. But you want to make sure they don't map to the same tables. – Anthony Chu Feb 4 '14 at 15:23 If...
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Align two inline-blocks left and right on same line

... I think one possible solution to this is to use display: table: .header { display: table; width: 100%; box-sizing: border-box; } .header > * { display: table-cell; } .header > *:last-child { text-align: right; } h1 { font-size: 32px; } nav { vertical-alig...
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Passing an array to a query using a WHERE clause

...FROM galleries WHERE id IN (1); SELECT password FROM users;/*). Change the table & column names to something you have in your database and try that query, check out the results. You'll find a list of passwords as your result, rather than a list of galleries. Depending on how the data is output, ...
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what is faster: in_array or isset? [closed]

... @Fabrizio - Read up on hashing functions and hash tables. – David Harkness Nov 20 '12 at 22:54  |  show 5 more commen...
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Best data type for storing currency values in a MySQL database

... My benefit was this.. I needed all my table rows to equal a particular amount of money. Let's say that amount is $10.00. As new rows get added each row amount changes. If there are 3 rows in the table. 10 / 3 = 3.3333333333... but with only 2 decimals they are st...
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Assertion failure in dequeueReusableCellWithIdentifier:forIndexPath:

...u need to use the dequeueReusableCellWithIdentifier: for that behavior: UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; Notice that dequeueReusableCellWithIdentifier: and dequeueReusableCellWithIdentifier:forIndexPath: are different methods. See doc for the f...
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IntelliJ IDEA with Junit 4.7 “!!! JUnit version 3.8 or later expected:”

... Another way: Edit your jdk.table.xml at ~/Library/Preferences/AndroidStudioX.X/options/jdk.table.xml or C:\Users\Name\.AndroidStudioX.X\config\options\jdk.table.xml on Windows. Find the node <name value="Android API 28 Platform" /> and set its &l...