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Entity Framework - Invalid Column Name '*_ID"
...get; set; }
public Guid CategoryId { get; set; }
[Required]
[StringLength(200)]
public string Name { get; set; }
[StringLength(500)]
public string Description { get; set; }
[StringLength(50)]
public string ShortName { get; set; }
[StringLength(500)]
publi...
How to check if an int is a null
...o be able to be null, you need to use Integer instead of int.
Integer id;
String name;
public Integer getId() { return id; }
Besides the statement if(person.equals(null)) can't be true, because if person is null, then a NullPointerException will be thrown. So the correct expression is if (person...
How to automatically generate a stacktrace when my program crashes
...gnal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ucontext.h>
#include <unistd.h>
/* This structure mirrors the one found in /usr/include/asm/ucontext.h */
typedef struct _sig_ucontext {
unsigned long uc_flags;
ucontext_t *uc_...
Format date and time in a Windows batch script
...
All this can be done in just 2 lines using ordinary string replacement: stackoverflow.com/a/23558738/1879699
– Andreas
Apr 22 '16 at 9:34
...
How do you reference a capture group with regex find and replace in Visual Studio 2012, 2013, 2015,
...
Some extra help: if you want to replace thing(.*) with thing$18 (adding an '8' directly after the capture) you'll have to use thing${1}8
– Luc Bloom
Jan 10 '18 at 8:58
...
Legality of COW std::string implementation in C++11
...ing that copy-on-write is not a viable way to implement a conforming std::string in C++11, but when it came up in discussion recently I found myself unable to directly support that statement.
...
How to use LocalBroadcastManager?
...context, Intent intent) {
// Get extra data included in the Intent
String message = intent.getStringExtra("message");
Log.d("receiver", "Got message: " + message);
}
};
@Override
protected void onDestroy() {
// Unregister since the activity is about to be closed.
LocalBroadcastMan...
In VIM, how do I break one really long line into multiple lines?
...of solid text, it needs whitespace to do its thing
– stringy05
Aug 28 '14 at 22:48
2
[runs gqq] a...
What is the difference between an int and a long in C++?
...
The only guarantee you have are:
sizeof(char) == 1
sizeof(char) <= sizeof(short) <= sizeof(int) <= sizeof(long) <= sizeof(long long)
// FROM @KTC. The C++ standard also has:
sizeof(signed char) == 1
sizeof(unsigned char) == 1
// NOTE: These size are...
What is the default initialization of an array in Java?
...
What about a String array?
– Zac
Dec 23 '17 at 7:05
1
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