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How can I test what my readme.md file will look like before committing to github?
...ub doesn't. There are other differences. The only safe bet is to trial and error with a gist and delete it when you are done.
– Bruno Bronosky
Apr 7 '18 at 2:18
1
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Create a menu Bar in WPF?
...nel>
<Menu DockPanel.Dock="Top">
<MenuItem Header="_File">
<MenuItem Header="_Open"/>
<MenuItem Header="_Close"/>
<MenuItem Header="_Save"/>
</MenuItem>
</Menu>
<StackPanel></StackPa...
Run a callback only if an attribute has changed in Rails
...
Rails 5.1+
class Page < ActiveRecord::Base
before_save :do_something, if: :will_save_change_to_status_id?
private
def do_something
# ...
end
end
The commit that changed ActiveRecord::Dirty is here: https://github.com/rails/rails/commit/16ae3db5a5c6a08383b974ae...
Print multiple arguments in Python
... isn't a function in Python 2. You can, however, import this behavior from __future__:
from __future__ import print_function
Use the new f-string formatting in Python 3.6:
print(f'Total score for {name} is {score}')
sha...
Can Objective-C switch on NSString?
... @abbood For more information about enum, see the posting NS_ENUM & NS_OPTIONS by Mattt Thompson.
– Basil Bourque
Oct 21 '13 at 21:32
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What are the differences between a multidimensional array and an array of arrays in C#?
...t32 'value') cil managed
{
// Code size 7 (0x7)
.maxstack 8
IL_0000: ldarg.0
IL_0001: ldarg.1
IL_0002: ldelem.ref
IL_0003: ldarg.2
IL_0004: ldarg.3
IL_0005: stelem.i4
IL_0006: ret
} // end of method Program::SetElementAt
.method private hidebysig static void SetElem...
How to execute an .SQL script file using c#
...
This Works on Framework 4.0 or Higher. Supports "GO". Also show the error message, line, and sql command.
using System.Data.SqlClient;
private bool runSqlScriptFile(string pathStoreProceduresFile, string connectionString)
{
try
{
string script = File....
Checking if a double (or float) is NaN in C++
...d portable solution. You can even test for -ffast-math by testing for the __FAST_MATH__ macro and switch to a different implementation in that case (e.g. use unions and bit twiddling).
– Adam Rosenfield
Mar 27 '11 at 23:45
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Performance differences between debug and release builds
...ld run perfectly fine in Debug mode, but given the exact same input, would error out in Release mode. These bugs are EXTREMELY difficult to debug (by definition of Release mode, ironically).
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PostgreSQL naming conventions
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gerardw
4,0503232 silver badges3131 bronze badges
answered May 20 '10 at 22:47
leonbloyleonbloy
...