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When to use .First and when to use .FirstOrDefault with LINQ?
I've searched around and haven't really found a clear answer as to when you'd want to use .First and when you'd want to use .FirstOrDefault with LINQ.
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Using Custom Domains With IIS Express
... domain. I get past that but all resources then fail to load so no images, scripts or CSS.
– Prime By Design
Aug 12 '18 at 8:32
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count(*) vs count(column-name) - which is more correct? [duplicate]
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COUNT(*) counts all rows
COUNT(column) counts non-NULLs only
COUNT(1) is the same as COUNT(*) because 1 is a non-null expressions
Your use of COUNT(*) or COUNT(column) should be based on the desired output only.
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TCP: can two different sockets share a port?
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quicknet -m tcp -t localhost:500 -p Test payload.
This is a simple script (https://github.com/grokit/quickweb) that opens a TCP socket, sends the payload ("Test payload." in this case), waits a few seconds and disconnects. Doing netstat again while this is happening displays the following:
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When to use MongoDB or other document oriented database systems? [closed]
...rking with object code, I don't need an ORM). Sure you have to write a few scripts, but actually it is not that hard and you reuse code
– Aki
Apr 3 '13 at 11:34
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Confused about stdin, stdout and stderr?
..., note that /dev/stdin is a symlink to /proc/self/fd/0 -- the first file descriptor that the currently running program has open. So, what is pointed to by /dev/stdin will change from program to program, because /proc/self/ always points to the 'currently running program'. (Whichever program is doing...
Ruby capitalize every word first letter
... @macsplean the &:method syntax in map is a concise way to call a method on each item in the array. You can then call join to turn that array into a string. The * ' ' is an alternative way to call join. You can think of it as multiplying the items in the array together to create a str...
how to set desired language in git-gui?
... Start menu: it calls wish.exe directly. If you change the link to run cmd script, it shows text command window along with GUI, which is unwanted. That is why for me renaming .msg file is a way of choice.
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How to set HTTP headers (for cache-control)?
...nclude file .(html?|txt|css|js|php|pl)$
mod_gzip_item_include handler ^cgi-script$
mod_gzip_item_include mime ^text/.*
mod_gzip_item_include mime ^application/x-javascript.*
mod_gzip_item_exclude mime ^image/.*
mod_gzip_item_exclude rspheader ^Content-Encoding:.*gzip.*
</ifModule>
##Tweaks##
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Change Twitter Bootstrap Tooltip content on click
...ust found this today whilst reading the source code. So $.tooltip(string) calls any function within the Tooltip class. And if you look at Tooltip.fixTitle, it fetches the data-original-title attribute and replaces the title value with it.
So we simply do:
$(element).tooltip('hide')
.att...