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Postgres unique constraint vs index
...(ind_id)=(0) already exists.
test=#
It works as expected!
Foreign keys
Now we'll define detail table with two foreign keys referencing to our two columns in master.
create table detail (
con_id integer,
ind_id integer,
constraint detail_fk1 foreign key (con_id) references master(con...
How to Git stash pop specific stash in 1.8.3?
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Not working for me. Getting error "unknown option: -encodedCommand"
– Yuvraj Patil
Mar 12 '18 at 6:30
15
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How to get ASCII value of string in C#
...g into a byte[].
byte[] asciiBytes = Encoding.ASCII.GetBytes(value);
You now have an array of the ASCII value of the bytes. I got the following:
57
113
117
97
108
105
53
50
116
121
51
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Remove an item from a dictionary when its key is unknown
... remove an item from a dictionary by value, i.e. when the item's key is unknown? Here's a simple approach:
10 Answers
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1030 Got error 28 from storage engine
...a cronjob to run this query every day:
PURGE BINARY LOGS BEFORE DATE_SUB( NOW(), INTERVAL 2 DAY );
This will remove all binary logs older than 2 days.
I found this solution here.
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How can I truncate a double to only two decimal places in Java?
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@Dev I stand corrected. I see now that DOWN does indeed have the effect of truncation for both positive and negative numbers. As seen in examples table in the doc.
– Basil Bourque
May 28 '15 at 20:42
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How to capitalize the first letter of word in a string using Java?
...tring output = input.substring(0, 1).toUpperCase() + input.substring(1);
Now output will have what you want. Check that your input is at least one character long before using this, otherwise you'll get an exception.
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jQuery: Count number of list elements?
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Try:
$("#mylist li").length
Just curious: why do you need to know the size? Can't you just use:
$("#mylist").append("<li>New list item</li>");
?
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Android Studio: how to remove/update the “Created by” comment added to all new classes?
...sked him, he didn't create an answer for several months. That is why I did now, so people can find this more easily.
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How to print to the console in Android Studio?
... the bottom status bar, click 5: Debug button, next to the 4: Run button.
Now you should select the Logcat console.
In search box, you can type the tag of your message, and your message should appear, like in the following picture (where the tag is CREATION):
Check this article for more inform...