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Linux: copy and create destination dir if it does not exist
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mkdir -p "$d" && cp file "$d"
(there's no such option for cp).
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Count Rows in Doctrine QueryBuilder
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He didn't ask for a count without predicates (bar = $bar) ;)
– Jovan Perovic
Feb 10 '12 at 1:06
4
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postgresql list and order tables by size
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select table_name, pg_relation_size(quote_ident(table_name))
from information_schema.tables
where table_schema = 'public'
order by 2
This shows you the size of all tables in the schema public if you have multiple schemas, you might want to use:
select table_schema, table_name, pg_relation_...
Make the current commit the only (initial) commit in a Git repository?
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Here's the brute-force approach. It also removes the configuration of the repository.
Note: This does NOT work if the repository has submodules! If you are using submodules, you should use e.g. interactive rebase
Step 1: remove all history ...
How to load assemblies in PowerShell?
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LoadWithPartialName has been deprecated. The recommended solution for PowerShell V3 is to use the Add-Type cmdlet e.g.:
Add-Type -Path 'C:\Program Files\Microsoft SQL Server\110\SDK\Assemblies\Microsoft.SqlServer.Smo.dll'
There are multiple different versions and you may want to pick a p...
How to use glOrtho() in OpenGL?
...n't understand the usage of glOrtho . Can someone explain what it is used for?
3 Answers
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How do you use gcc to generate assembly code in Intel syntax?
... tried this?
gcc -S -masm=intel test.c
Untested, but I found it in this forum where someone claimed it worked for them.
I just tried this on the mac and it failed, so I looked in my man page:
-masm=dialect
Output asm instructions using selected dialect. Supported choices
are i...
How to export/import PuTTy sessions list?
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Second Command worked for me on Windows 7, however, I needed to run CMD as administrator.
– The Humble Rat
Oct 16 '15 at 7:36
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When would you use delegates in C#? [closed]
...ogic, using a delegate often didn't make sense. These days I use delegates for:
Event handlers (for GUI and more)
Starting threads
Callbacks (e.g. for async APIs)
LINQ and similar (List.Find etc)
Anywhere else where I want to effectively apply "template" code with some specialized logic inside (wh...
Determine what attributes were changed in Rails after_save callback?
...ged from false to true. Since methods such as changed? are only useful before the model is saved, the way I'm currently (and unsuccessfully) trying to do so is as follows:
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