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php PDO insert batch multiple rows with placeholders

I am looking to do multiple inserts using PHP PDO. The closest answer I have found is this one how-to- ... demonstrate what im trying to achieve See Question&Answers more detail:os...

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java - Batch inserts with JPA/EJB3

Does JPA/EJB3 framework provide standard way to do batch insert operation...? We use hibernate for persistence ... support for this... See Question&Answers more detail:os...

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Align form elements in CSS

I'm new to CSS and have a simple login form that I'm trying to align correctly. Basically two columns with the ... submit"/> </form> </body> See Question&Answers more detail:os...

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Using SetWindowPos in C# to move windows around

I have the code below: namespace WindowMover { using System.Windows.Forms; static class Logic { [DllImport(" ... multiple windows like pidgin? See Question&Answers more detail:os...

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c++ - Undefined reference to google::protobuf::internal::empty_string_[abi:cxx11]

I'm trying to build simple test application with Protocol Buffers 2.6.1 and GNU GCC 5.1.0 (on Ubuntu ... Any help would be greatly appreciated. See Question&Answers more detail:os...

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c# - How can I add my attributes to Code-Generated Linq2Sql classes properties?

I would like to add attributes to Linq 2 Sql classes properties. Such as this Column is browsable in the ... with classes being code-generated? See Question&Answers more detail:os...

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ios - Adding Convenience Initializers in Swift Subclass

As a learning exercise I am trying to implement a subclass of SKShapeNode that provides a new convenience initializer ... am I doing wrong? See Question&Answers more detail:os...

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python - How do I filter values in a Django form using ModelForm?

I am trying to use the ModelForm to add my data. It is working well, except that the ForeignKey dropdown list ... equals the logged in user? See Question&Answers more detail:os...

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windows - How do I get the equivalent of dirname() in a batch file?

I'd like to get the parent directory of a file from within a .bat file. So, given a variable set ... UNIX environment. Is this possible? See Question&Answers more detail:os...

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layout - CSS: clean solution to the margin collapse issue when floating an element

Example HTML+CSS: <html> <body style="padding: 0; margin: 0;"> <div style="float: right;">first</div ... , idiomatic way of avoiding this issue? See Question&Answers more detail:os...

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Self Referencing Class Definition in python

is there any way to reference a class name from within the class declaration? an example follows: class Plan( ... in scope inside the class. See Question&Answers more detail:os...

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strftime - How do I format a date in ruby to include "rd" as in "3rd"

I want to format a date object so that I can display strings such as "3rd July" or "1st October". I can't ... . Any one know how to do this? See Question&Answers more detail:os...

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Select NA in a data.table in R

How do I select all the rows that have a missing value in the primary key in a data table. DT = data.table(x= ... work DT[is.na(x),] #does work See Question&Answers more detail:os...

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swift - UIBezierPath: How to add a border around a view with rounded corners?

I am using UIBezierPath to have my imageview have round corners but I also want to add a border to the ... along with my current code? See Question&Answers more detail:os...

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hadoop - Is it better to have one large parquet file or lots of smaller parquet files?

I understand hdfs will split files into something like 64mb chunks. We have data coming in streaming and we can ... having, say, 1gb files? See Question&Answers more detail:os...

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sql server - migrate data from MS SQL to PostgreSQL?

I've looked around and can't seem to find anything that answers this specific question. What is the simplest ... although free is preferable :) See Question&Answers more detail:os...

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json - Using MVC3's AntiForgeryToken in HTTP GET to avoid Javascript CSRF vulnerability

In regards to this Haacked blog, I'm hesitant to implement the proposed anti-JSON GET hijacking solutions since The ... and yet are a risk. See Question&Answers more detail:os...

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python - Printing on the same line on a jupyter notebook

In python 3, we can easily print on the same line using the following script. I use this to understand the ... also there I have this issue. See Question&Answers more detail:os...

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What is the equivalent of Regex-replace-with-function-evaluation in Java 7?

I'm looking for a very simple way of getting the equivalent of something like the following JavaScript code. That ... " that can be reused. See Question&Answers more detail:os...

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"DRAW OVER OTHER APP" is which permission in android

DRAW OVER OTHER APPS Allows the app to draw on top of other applications or parts of the user interface. They ... above text. here is image See Question&Answers more detail:os...

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c++ - Visual Studio 2017 can't find windows.h

Hell'o I've just installed Visual Studio 2017 (enterprise).I opened my project whom I created in Visual Studio ... library. How to repair this? See Question&Answers more detail:os...

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.net - How to profile WPF 4.5 UI performance?

I'm developing a .NET 4.5 WPF app and having UI rendering performance issues. After some googling, I ... performance impact in complex UIs? See Question&Answers more detail:os...

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c - How many chars can be in a char array?

#define HUGE_NUMBER ??? char string[HUGE_NUMBER]; do_something_with_the_string(string); I was wondering what would be ... the maximum possible. See Question&Answers more detail:os...

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How to use Special Chars in Java/Eclipse

How can I use/display characters like ?, ?, ?, or ? in Java/Eclipse? When I try to use them directly ... can I find the unicode escape sequence? See Question&Answers more detail:os...

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android - CollapsingToolbarLayout setTitle() does not update unless collapsed

With the new Design Library, we're supposed to set the toolbar title on the CollapsingToolbarLayout, not the Toolbar ... No effect. Any ideas? See Question&Answers more detail:os...

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r - optimized rolling functions on irregular time series with time-based window

Is there some way to use rollapply (from zoo package or something similar) optimized functions (rollmean, rollmedian ... advance for the help. See Question&Answers more detail:os...

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asp.net mvc 3 - Why can't I combine [Authorize] and [OutputCache] attributes when using Azure cache (.NET MVC3 app)?

Using Windows Azure's Microsoft.Web.DistributedCache.DistributedCacheOutputCacheProvider as the outputCache provider for an MVC3 ... is this? See Question&Answers more detail:os...

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c# - Most efficient way of reading data from a stream

I have an algorithm for encrypting and decrypting data using symmetric encryption. anyways when I am about to decrypt, I ... save a lot of time See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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