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Should Gemfile.lock be included in .gitignore?
...ee CRM.
My preference is postgres, but we want the default database to be mysql2.
In this case, Gemfile.lock still needs be checked in with the default set of gems, but I need to ignore changes that I have made to it on my machine. To accomplish this, I run:
git update-index --assume-unchanged G...
SQL select join: is it possible to prefix all columns as 'prefix.*'?
... if this is possible in SQL. Say you have two tables A and B, and you do a select on table A and join on table B:
22 Answer...
How to create .pfx file from certificate and private key?
... simple.
Under the SSL tab, I first Imported the Certificate. Then once I selected the Certificate I was able to export as a PFX, both with and without a keyfile.
https://www.digicert.com/util
share
|
...
How to upload a file in Django? [closed]
...ss DocumentForm(forms.Form):
docfile = forms.FileField(
label='Select a file',
help_text='max. 42 megabytes'
)
4. View: myproject/myapp/views.py
A view where all the magic happens. Pay attention how request.FILES are handled. For me, it was really hard to spot the fact tha...
Search in all files in a project in Sublime Text 3
...
Solution:
Use the Search all shortcut: Ctrl+Shift+F, then select the folder in the "Where:" box below. (And for Mac, it's ⌘+Shift+F).
If the root directory for the project is proj, with subdirectories src and aux and you want to search in all subfolders, use the proj folder. To r...
Check whether a path is valid
...ts
IEnumerable<string> allMachineDrivers = DriveInfo.GetDrives().Select(drive => drive.Name);
if (!allMachineDrivers.Contains(path.Substring(0, 3))) return false;
// Check if the rest of the path is valid
string InvalidFileNameChars = new string(Path.GetInvalidPathChars());...
CREATE TABLE IF NOT EXISTS equivalent in SQL Server [duplicate]
...
if not exists (select * from sysobjects where name='cars' and xtype='U')
create table cars (
Name varchar(64) not null
)
go
The above will create a table called cars if the table does not already exist.
...
How do I start PowerShell from Windows Explorer?
...window itself (that is, the context menu that is displayed when no item is selected, such as when right-clicking in an empty area of the window).
HKCR\Directory\shell - This is the context menu of the folders in Windows Explorer.
HKCR\Drive\shell - This is the context menu for the drive icons in the...
ListCtrl 重绘（Custom Draw） - C/C++ - 清泛网 - 专注C/C++及内核技术
...处理＂重绘过程＂中所有的脏活了。
这篇文章的焦点是如何在一个LISTCTRL控件上使用Custom Draw消息。究其原因，一部分是因为我已经在我的工作上使用了Custom Draw有一段时间了，我很熟悉它。另一个原因是这个机制确实是非常好...
Modify table: How to change 'Allow Nulls' attribute from not null to allow null
...
I wrote this so I could edit all tables and columns to null at once:
select
case
when sc.max_length = '-1' and st.name in ('char','decimal','nvarchar','varchar')
then
'alter table [' + so.name + '] alter column [' + sc.name + '] ' + st.name + '(MAX) NULL'
when st.name in ('char','decimal','n...