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How to define an alias in fish shell?
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fish starts by executing commands in ~/.config/fish/config.fish.
You can create it if it does not exist:
vim ~/.config/fish/config.fish
and save it with :wq
step1. make configuration file (like .bashrc)
config.fish
st...
How to speed up insertion performance in PostgreSQL
...kload.
Otherwise:
Disable any triggers on the table
Drop indexes before starting the import, re-create them afterwards. (It takes much less time to build an index in one pass than it does to add the same data to it progressively, and the resulting index is much more compact).
If doing the import ...
Remove the last character in a string in T-SQL?
... @Louis, the substring syntax is as follows: SUBSTRING ( expression ,start , length ). Now, both queries return the same because the numbering is 1 based, meaning that the first character in the expression is 1. If start is less than 1, the returned expression will begin at the first character...
When is assembly faster than C?
...gt; (rand ()) / static_cast <float> (RAND_MAX);
}
LARGE_INTEGER start, mid, end;
float sum1 = 0.0f, sum2 = 0.0f;
QueryPerformanceCounter (&start);
sum1 = KahanSum (source, count);
QueryPerformanceCounter (&mid);
sum2 = AsmSum (source, count);
QueryPerformanceCoun...
How do you match only valid roman numerals with a regular expression?
...totranslate lists in MemoQ. However, this solution does - excluding string start/end symbols though.
– orlando2bjr
Apr 6 '17 at 12:31
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How do I get extra data from intent on Android?
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First, get the intent which has started your activity using the getIntent() method:
Intent intent = getIntent();
If your extra data is represented as strings, then you can use intent.getStringExtra(String name) method. In your case:
String id = intent.g...
Find Results not displaying Results
... the Path was missing in the second reg entry. As soon as I put it in, it started working without even restarting VS.
– Greg Gum
Jul 22 '13 at 16:26
3
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How to find the .NET framework version of a Visual Studio project?
...go to the 4th menu option on top, 'website'.
under websites go to option, 'start options'.
under start options, go to 'build' option.
change the target framework there to what so ever framework.
share
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What is the difference between SqlCommand.CommandTimeout and SqlConnection.ConnectionTimeout?
...Timeout is how long it can take to establish a connection to the server to start with.
For instance, you may be executing relatively long-running queries - it's perfectly okay for them to take 10 minutes to complete, but if it took 10 minutes to make the connection to start with, you'd know that so...
How do ACID and database transactions work?
...d that data and will see the state as it was before the second transaction started.
– a_horse_with_no_name
Nov 22 '15 at 18:44
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