大约有 42,000 项符合查询结果（耗时：0.0510秒） [XML]
SQL error “ORA-01722: invalid number”
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Here's one way to solve it. Remove non-numeric characters then cast it as a number.
cast(regexp_replace('0419 853 694', '[^0-9]+', '') as number)
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Change the Right Margin of a View Programmatically?
...ight, bottom
tv.setLayoutParams(params);
I can't test it right now, so my casting may be off by a bit, but the LayoutParams are what need to be modified to change the margin.
NOTE
Don't forget that if your TextView is inside, for example, a
RelativeLayout, one should use RelativeLayout.LayoutParam...
Convert.ChangeType() fails on Nullable Types
...ample, but this is a relatively robust approach, and separates the task of casting from unknown value to unknown type
I have a TryCast method that does something similar, and takes nullable types into account.
public static bool TryCast<T>(this object value, out T result)
{
var type = ty...
How do I get the path of the Python script I am running in? [duplicate]
...in: Perhaps you tried the expression in the shell?
– André Laszlo
May 28 '10 at 15:44
15
Make a ...
How to create a numpy array of all True or all False?
...TE: 16 January 2017
Since at least numpy version 1.12, full automatically casts results to the dtype of the second parameter, so we can just write:
numpy.full((2, 2), True)
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C++ compiling on Windows and Linux: ifdef switch [duplicate]
I want to run some c++ code on Linux and Windows. There are some pieces of code that I want to include only for one operating system and not the other. Is there a standard #ifdef that once can use?
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How to check if a table exists in a given schema
... dba.SE discussing "Information schema vs. system catalogs"
Alternative: cast to regclass
SELECT 'schema_name.table_name'::regclass
This raises an exception if the (optionally schema-qualified) table (or other object occupying that name) does not exist.
If you do not schema-qualify the table n...
DropDownList in MVC 4 with Razor
... If you defined the List in controller, Then you need in View to cast it , like this: @Html.DropDownListFor(model => model.model_year, ViewBag.Years as List<SelectListItem>, "-- Select Year --")
– Bashar Abu Shamaa
Feb 26 '16 at 19:23
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How to import data from mongodb to pandas?
...aFrame(list(cursor)). Pure db quering is much faster. Could we change list casting to something else?
– Peter.k
Jan 19 '19 at 19:53
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Eclipse hangs on loading workbench
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DISCLAIMER: THIS WILL DELETE ALL OF YOUR ECLIPSE WORKSPACE SETTINGS AND YOU WILL HAVE TO RE-IMPORT ALL YOUR PROJECTS, THERE ARE LESS DESTRUCTIVE ANSWERS HERE
Try the following:
Delete the .metadata folder in your local workspace (this is what worked for me). It seems that it contains a .LO...