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How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...vals.id) DELETE FROM newvals USING upd WHERE newvals.id = upd.id, followed by a bare INSERT INTO testtable SELECT * FROM newvals? My idea with this: instead of filtering twice in INSERT (for the JOIN/WHERE and for the unique constraint), reuse the existence check results from the UPDATE, which are ...
How to write DataFrame to postgres table?
...variable, everything else should work just fine
– Bobby
Jul 12 '18 at 20:34
2
why do you do outpu...
How can I build multiple submit buttons django form?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Add & delete view from Layout
...ld");
ViewGroup Layout = (LinearLayout) getActivity().findViewById(R.id.my_layout);
layout.addView(view);
There are also a number of remove methods. Check the documentation of ViewGroup.
One simple way to remove view from a layout can be like,
layout.removeAllViews(); // then you will end up h...
Get the date (a day before current time) in Bash
... a one-liner, so cut and paste should work -- no line endings assumed. date_days_past () { days_past=${1:-0}; if ! date -v-${days_past}d +%Y%m%d 2>/dev/null; then date --date="-${days_past} day" +%Y%m%d; fi }
– Noah Spurrier
May 16 '16 at 21:29
...
In Swift how to call method with parameters on GCD main thread?
...() + 0.1) {
// your code here
}
Older versions of Swift used:
dispatch_async(dispatch_get_main_queue(), {
let delegateObj = UIApplication.sharedApplication().delegate as YourAppDelegateClass
delegateObj.addUIImage("yourstring")
})
...
Best way to pretty print a hash
...
require 'pp'
pp my_hash
Use pp if you need a built-in solution and just want reasonable line breaks.
Use awesome_print if you can install a gem. (Depending on your users, you may wish to use the index:false option to turn off displaying arr...
Convert string to a variable name
...an.r-project.org/doc/FAQ/R-FAQ.html#How-can-I-turn-a-string-into-a-variable_003f
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Does Entity Framework Code First support stored procedures?
...
public IList<Product> GetProductsByCategoryId(int categoryId)
{
IList<Product> products;
using (var context = new NorthwindData())
{
SqlParameter categoryParam = new SqlParameter("@categoryID", categoryId);
...
Deep Learning（深度学习）学习笔记整理系列之（四） - 大数据 & AI - 清泛...
Deep Learning（深度学习）学习笔记整理系列之（四）Deep_Learning_Series_4Deep Learning,深度学习,笔记Deep Learning（深度学习）学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学...