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SQLAlchemy: print the actual query
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very nice. but is it converting as below. 1) query(Table).filter(Table.Column1.is_(False) to WHERE Column1 IS 0. 2) query(Table).filter(Table.Column1.is_(True) to WHERE Column1 IS 1. 3) query(Table).filter(Table.Column1 == func.any([1,2,3])) to W...
How to add a string to a string[] array? There's no .Add function
I'd like to convert the FI.Name to a string and then add it to my array. How can I do this?
13 Answers
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A circular reference was detected while serializing an object of type 'SubSonic.Schema .DatabaseColu
... had the same problem and solved by using Newtonsoft.Json;
var list = JsonConvert.SerializeObject(model,
Formatting.None,
new JsonSerializerSettings() {
ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore
});
return Content(list, "application/json");
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PHP/MySQL insert row then get 'id'
... On the doc there is something to note: mysql_insert_id() will convert the return type of the native MySQL C API function mysql_insert_id() to a type of long (named int in PHP). If your AUTO_INCREMENT column has a column type of BIGINT (64 bits) the conversion may result in an incorrect ...
How to use Servlets and Ajax?
... further. It allows for more dynamics. First, you'd like to have a tool to convert between Java objects and JSON strings. There are plenty of them as well (see the bottom of this page for an overview). My personal favourite is Google Gson. Download and put its JAR file in /WEB-INF/lib folder of your...
How to output MySQL query results in CSV format?
...@Flimm, assuming you don't have embedded commas/tabs in the fields you can convert it by piping the result into | sed 's/\t/,/g'
– John Carter
Nov 10 '11 at 4:42
113
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Plotting two variables as lines using ggplot2 on the same graph
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The general approach is to convert the data to long format (using melt() from package reshape or reshape2) or gather()/pivot_longer() from the tidyr package:
library("reshape2")
library("ggplot2")
test_data_long <- melt(test_data, id="date") # co...
Which MySQL data type to use for storing boolean values
...st evaluated as integer (decimal and float values are rounded, strings are converted in the usual quirky way MySQL converts strings to integer). A NULL is obviously NULL (neither TRUE nor FALSE). An integer value of 0 is handled as FALSE, and any other integer value (1, 2, -7, etc) evaluates to TRUE...
Error on renaming database in SQL Server 2008 R2
...e to single user mode as shown in the other answers
Sometimes, even after converting to single user mode, the only connection allowed to the database may be in use.
To close a connection even after converting to single user mode try:
select * from master.sys.sysprocesses
where spid>50 -- don...
Android: Getting a file URI from a content URI?
... cover cursor null cases & conversion from content:// to file://
To convert file, read&write the file from gained uri
public static Uri getFilePathFromUri(Uri uri) throws IOException {
String fileName = getFileName(uri);
File file = new File(myContext.getExternalCacheDir(), fileN...