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How does Google's Page Speed lossless image compression work?
...om build tool which compresses images with both optipng and pngcrush, then selects the smaller file. Still, Page Speed complains about non-optimal images. So which tool do they really use?
– user123444555621
Sep 10 '12 at 7:42
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How can I make a ComboBox non-editable in .NET?
I want to have a "select-only" ComboBox that provides a list of items for the user to select from. Typing should be disabled in the text portion of the ComboBox control.
...
How to find Unused Amazon EC2 Security groups
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If you select all of your security groups in the EC2 console, then press actions -> Delete Security Groups, a popup will appear telling you that you cannot delete security groups that are attached to instances, other security gro...
Rails filtering array of objects by attribute value
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Try :
This is fine :
@logos = @attachments.select { |attachment| attachment.file_type == 'logo' }
@images = @attachments.select { |attachment| attachment.file_type == 'image' }
but for performance wise you don't need to iterate @attachments twice :
@logos , @images...
What's the better (cleaner) way to ignore output in PowerShell? [closed]
...est 1
(Measure-Command {
for ($i = 1; $i -lt 99; $i++)
{
$GetProcess | Select-Object -Property ProcessName | Out-Null
}
}).TotalMilliseconds
# Batch 2 - Test 2
(Measure-Command {
for ($i = 1; $i -lt 99; $i++)
{
[void]($GetProcess | Select-Object -Property ProcessName )
}
}).TotalMillise...
Convert Dictionary to semicolon separated string in c#
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using System.Linq;
string s = string.Join(";", myDict.Select(x => x.Key + "=" + x.Value).ToArray());
(And if you're using .NET 4, or newer, then you can omit the final ToArray call.)
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How do I connect to a MySQL Database in Python?
...ueries you need
cur = db.cursor()
# Use all the SQL you like
cur.execute("SELECT * FROM YOUR_TABLE_NAME")
# print all the first cell of all the rows
for row in cur.fetchall():
print row[0]
db.close()
Of course, there are thousand of possibilities and options; this is a very basic example. Y...
File tree view in Notepad++
...tepad++ toolbar Plugins > Plugin Manager > Show Plugin Manager.
Then select the Explorer plugin and click the Install button.
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Where do I set my company name?
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In xCode 7.3 (edit: till 11.3.1) just select top project file and Look in Utilities on Left pane
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Local and global temporary tables in SQL Server
...varchar(150)
)
GO
insert into #LocalTemp values ( 1, 'Name','Address');
GO
Select * from #LocalTemp
The scope of Local temp table exist to the current session of current
user means to the current query window. If you will close the current
query window or open a new query window and will tr...