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Django: multiple models in one template using forms [closed]
...his since 'and' short circuits and we want to check to whole page for form errors
if a_valid and b_valid and c_valid:
a = formA.save()
b = formB.save(commit=False)
c = formC.save(commit=False)
b.foreignkeytoA = a
b.save()
c.foreignkeytoB = b
...
How to delete large data of table in SQL without log?
...ntax GO xx supposed to work? I get a "Could not find stored procedure '' " error. Without the GO command it works fine though.
– Abel
Jun 25 '18 at 22:53
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UPDATE multiple tables in MySQL using LEFT JOIN
...just update 10000 rows at a time. If I just add LIMIT 10000 it gives me an error saying 'Incorrect usage of UPDATE and LIMIT'
– Haril Satra
Feb 19 '19 at 21:46
add a comment
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handle textview link click in my android app
...Intent().getData(); ? I keep receiving Activity not found to handle intent error . - Thanks
– rgv
Jul 28 '15 at 16:05
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Programmatically generate video or animated GIF in Python?
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ValueError: Could not find a format to read the specified file in mode 'i' - I'm getting this error on windows 2.7 winpython. Any clues?
– Vanko
Oct 4 '16 at 12:20
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Checking in packages from NuGet into version control?
...;
In each project.csproj file
<Target Name="BeforeBuild">
<Error Condition="!Exists('..\Packages\')" Text="You must run &gt; msbuild build.msbuild to download required NuGet
Packages" />
<!-- optional for project that has JavaScript content -->
<ReadLinesFromF...
How do you use NSAttributedString?
... var last: T? {
if self.isEmpty {
NSLog("array crash error - please fix")
return self [0]
} else {
return self[self.endIndex - 1]
}
}
}
extension Array {
var first: T? {
if self.isEmpty {
NSLog("array crash er...
PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?
...it occurs on the MySQL server.
Without EMULATE_PREPARES you may get syntax errors at prepare-time rather than at execute-time; with EMULATE_PREPARES you will only get syntax errors at execution time because PDO doesn't have a query to give to MySQL until execution time. Note that this affects the co...
Invoke a callback at the end of a transition
...transition, callback) {
if (typeof callback !== "function") throw new Error("Wrong callback in endall");
if (transition.size() === 0) { callback() }
var n = 0;
transition
.each(function() { ++n; })
.each("end", function() { if (!--n) callback.apply(this, arguments...
Python and pip, list all versions of a package that's available?
...e possible versions of it that pip could install? Right now it's trial and error.
16 Answers
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