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Spring Boot Remove Whitelabel Error Page
...
In Spring-Boot v2 the ErrorController and ErrorAttributes classes are in package org.springframework.boot.web.servlet.error and further the ErrorAttributes#getErrorAttributes method signature has changed, please note dependency on Spring-Bo...
How to correctly use the extern keyword in C
...nclude "my_project.H"
void main(void){
int v1 = function_1();
int v2 = function_2();
int v3 = function_3();
}
int function_2(void) return 1234;
In order to compile and link, we must define "function_2" in the same source code file where we call that function. The two other functions ...
Convert a row of a data frame to vector
...re is an example:
df_1 = data.frame(V1 = factor(11:15),
V2 = 21:25)
df_1[1,] %>% as.numeric() # you expect 11 21 but it returns
[1] 1 21
Here is another example (by default data.frame() converts characters to factors)
df_2 = data.frame(V1 = letters[1:5],
...
How can I brew link a specific version?
...: Aug 26 2014 15:14:01)
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.4.0, Copyright (c) 1998-2014 Zend Technologies
$ brew unlink php54
$ brew switch php55 5.5.16
$ php --version
PHP 5.5.16 (cli) (built: Sep 9 2014 14:27:18)
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.5.0, Cop...
How to wait for several Futures?
...urrently
f3 <- func3.concurrently
} yield for {
v1 <- f1
v2 <- f2
v3 <- f3
} yield (v1,v2,v3)
}.future
f.onFailure { case t => println("future failed $t") }
In the example above, f1,f2 and f3 will run concurrently and if any fail in any order the future of the tuple...
How do I compile a Visual Studio project from the command-line?
...many version of the msbuild.exe.
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\msbuild.exe
C:\Windows\Microsoft.NET\Framework64\v3.5\msbuild.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\msbuild.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\msbuild.exe
C:\Windows\Microsoft.N...
Try/Catch block in PHP not catching Exception
...: Aug 12 2010 17:32:30)
Copyright (c) 1997-2010 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2010 Zend Technologies
with eAccelerator v0.9.5.1, Copyright (c) 2004-2006 eAccelerator, by eAccelerator
The solution is to either disable eAccelerator or update it. I tried both and both of th...
How do I reverse a C++ vector?
...e vector in-place. You could create a new vector with std::vector<T> v2( v1.rbegin(), v1.rend() ); v2.swap(v1); which would effectively use your solution. I don't see how it is more elegant or advantageous in any way to using std::reverse though.
– CashCow
...
dyld: Library not loaded: /usr/local/lib/libpng16.16.dylib with anything php related
...: Aug 25 2013 16:07:23)
Copyright (c) 1997-2013 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2013 Zend Technologies
with Xdebug v2.2.3, Copyright (c) 2002-2013, by Derick Rethans
1) Mac OS X equivalent of locate
...
How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
...th2,
CompareOptions options) {
int length1=prefix.Length, v2, v1;
if(0==(v1=compareInfo.Compare(
prefix, 0, length1, source, startIndex, length2, options))
) {
return 0;
}
else {
if(0==(v2=compareInfo.Compare(
...