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How to get a subset of a javascript object's properties
... Is there any function to exclude only certain fields instead of selecting? so I have about 50 fields in my json and want everything except just 2 fields.
– Shrikant Prabhu
Jul 3 '18 at 1:01
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Solving a “communications link failure” with JDBC and MySQL [duplicate]
... TOMCAT6_SECURITY=no
use validationQuery property
use validationQuery="select now()" to make sure each query has responses
AutoReconnect
Add this code to your connection string:
&autoReconnect=true&failOverReadOnly=false&maxReconnects=10
Although non of these solutions worke...
Android Studio/Intellij Idea: “Table of Contents” for a class
... File Structure).
It shows the list of members of the current class. Select an element you want to navigate to and press the Enter key or the F4 key. To easily locate an item in the
list, just start typing its name.
Also, as danny117 points out, you can use Alt/⌘+7 to show / hide the sam...
image processing to improve tesseract OCR accuracy
..." filter really made my day. Another step that helped me: using the "fuzzy selection" tool select the background then press Del for wightening it out
– Davide
Apr 13 '15 at 10:30
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JPA EntityManager: Why use persist() over merge()?
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I noticed that when I used em.merge, I got a SELECT statement for every INSERT, even when there was no field that JPA was generating for me--the primary key field was a UUID that I set myself. I switched to em.persist(myEntityObject) and got just INSERT statements then...
When should you use 'friend' in C++?
...te, the C++ FAQ mentions that friend enhances encapsulation. friend grants selective access to members, just like protected does. Any fine-grained control is better than granting public access. Other languages define selective access mechanisms too, consider C#'s internal. Most negative criticism ar...
Using NumberPicker Widget with Strings
...wrap true or false, try it you will know the difference
pickers.setWrapSelectorWheel(false);
//create button to test selected text string
btnPicker.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
//get position (int)...
How to write iOS app purely in C
...ssage.h>
// This is a hack. Because we are writing in C, we cannot out and include
// <UIKit/UIKit.h>, as that uses Objective-C constructs.
// however, neither can we give the full function declaration, like this:
// int UIApplicationMain (int argc, char *argv[], NSString *principalClassN...
Kill child process when parent process is killed
...
From this forum, credit to 'Josh'.
Application.Quit() and Process.Kill() are possible solutions, but have proven to be unreliable. When your main application dies, you are still left with child processes running. What we really want is for the child processes to die as soon as t...
What effect(s) can the virtual keyword have in Entity Framework 4.1 POCO Code First?
... you don't want to fetch that column, never fetch the whole record - just .Select(a=>new { fields you want }).
– Scott Stafford
Jun 14 '13 at 13:19
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