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MySQL, Check if a column exists in a table with SQL
...questions/7384711/… for an example of how to wrap a procedure around the test for the column and the conditional DML statement.
– Christopher Schultz
Jul 23 '14 at 20:14
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C# 4 default parameter values: How to assign a default DateTime/object value? [duplicate]
...r function, then you can initialize it to any value you want.
static void test(DateTime? dt = null)
{
if (dt == null)
{
dt = new DateTime(1981, 03, 01);
}
//...
}
You can call it with a named parameter like this:
test(dt: new DateTime(2010, 03, 01));
And with the defau...
What is the difference between _tmain() and main() in C++?
...2013:
Changed the traditional "TCHAR" to "_TCHAR" which seems to be the latest fashion. Both work fine.
End Update
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What does `someObject.new` do in Java?
...
Have a look at this example:
public class Test {
class TestInner{
}
public TestInner method(){
return new TestInner();
}
public static void main(String[] args) throws Exception{
Test t = new Test();
Test.TestInner ti = ...
Pass ruby script file to rails console
...
script/console --irb=pry < test.rb > test.log
simple, dirty, and block the process at the end, but it does the job exactly like I wanted.
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How can I get the behavior of GNU's readlink -f on a Mac?
...tation, but I needed a) a portable, pure shell implementation, and b) unit-test coverage, as the number of edge-cases for something like this are non-trivial.
See my project on Github for tests and full code. What follows is a synopsis of the implementation:
As Keith Smith astutely points out, rea...
Do try/catch blocks hurt performance when exceptions are not thrown?
...
Programs like this hardly seem like good candidates for testing the impact of exception handling, too much of what would be going on in normal try{} catch{} blocks is going to be optimized out. I may be out to lunch on that...
– LorenVS
Aug 2...
How to list branches that contain a given commit?
...n source project that reduces memory usage by 75% is in yet.
$ git log -1 tests
commit d590f2ac0635ec0053c4a7377bd929943d475297
Author: Nick Quaranto <nick@quaran.to>
Date: Wed Apr 1 20:38:59 2009 -0400
Green all around, finally.
$ git branch --contains d590f2
tests
* master
Note:...
.gitignore for Visual Studio Projects and Solutions
.../
x86/
build/
bld/
[Bb]in/
[Oo]bj/
# Roslyn cache directories
*.ide/
# MSTest test Results
[Tt]est[Rr]esult*/
[Bb]uild[Ll]og.*
#NUNIT
*.VisualState.xml
TestResult.xml
# Build Results of an ATL Project
[Dd]ebugPS/
[Rr]eleasePS/
dlldata.c
*_i.c
*_p.c
*_i.h
*.ilk
*.meta
*.obj
*.pch
*.pdb
*.pgc
*.p...
Is there a way to access method arguments in Ruby?
...here must be a way other than using eval. I'm looking in Kernel doc
class Test
def method(first, last)
local_variables.each do |var|
puts eval var.to_s
end
end
end
Test.new().method("aaa", 1) # outputs "aaa", 1
...