大约有 37,000 项符合查询结果(耗时:0.0287秒) [XML]

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How to display a dynamically allocated array in the Visual Studio debugger?

...Memory). Specify a memory start address = m4x4 This displays data in a table, which is better for two and three dimensional matrices: Right-click on the Memory window to determine how the binary data is visualized. Choices are limited to integers, floats and some text encodings. ...
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How do I specify a password to 'psql' non-interactively?

...)" --rm postgres psql -h www.example.com dbname username -c 'SELECT * FROM table;' – Bilal Akil Nov 23 '17 at 4:34 3 ...
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How to get last N records with activerecord?

...rails is lazy, it will eventually hit the database with SQL like: "SELECT table.* FROM table ORDER BY table.id DESC LIMIT 5". share | improve this answer | follow ...
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How can I verify if one list is a subset of another?

...ists be the same for many tests? It does as one of them is a static lookup table 2.Does it need to be a list? It does not - the static lookup table can be anything that performs best. The dynamic one is a dict from which we extract the keys to perform a static lookup on. Will this fact alter the so...
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Entity Framework with NOLOCK

...This essentially does the same as NOLOCK, but instead of doing it on a per table basis, it will do it for everything within the scope of the transaction. If that sounds like what you want, here's how you could go about doing it... //declare the transaction options var transactionOptions = new Syst...
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Sql Server equivalent of a COUNTIF aggregate function

...ver 2012) without changing the 'count' to a 'sum' and the same logic is portable to other 'conditional aggregates'. E.g., summing based on a condition: SELECT SUM(CASE WHEN myColumn=1 THEN AD_CurrentView.NumberColumn ELSE 0 END) FROM AD_CurrentView ...
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How to unit test an object with database queries

... I know this is old but what about creating a duplicate table to the one that is in the DB already. That way you can confirm DB calls work? – bretterer Oct 3 '12 at 3:59 ...
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How to remove convexity defects in a Sudoku square?

... := ComponentMeasurements[Image[l], "Centroid"][[1, 2]] gridCenters = Table[centerOfGravity[ ImageData[Dilation[Image[h], DiskMatrix[2]]]* ImageData[Dilation[Image[v], DiskMatrix[2]]]], {h, horizontalGridLineMasks}, {v, verticalGridLineMasks}]; The last step is to define two i...
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What is a “static” function in C?

...) { return 0; } static int sf() { return 0; } and disassemble the symbol table with: readelf -s main.o the output contains: Num: Value Size Type Bind Vis Ndx Name 5: 000000000000000b 11 FUNC LOCAL DEFAULT 1 sf 9: 0000000000000000 11 FUNC GLOBAL DEFAULT...
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SQL command to display history of queries

... For MySQL > 5.1.11 or MariaDB SET GLOBAL log_output = 'TABLE'; SET GLOBAL general_log = 'ON'; Take a look at the table mysql.general_log If you want to output to a log file: SET GLOBAL log_output = "FILE"; SET GLOBAL general_log_file = "/path/to/your/logfile.log" SET GLOBAL g...