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Adding multiple columns AFTER a specific column in MySQL
...pend to the table.
E.g: if you want to add count, log, status in the exact order after lastname, then the syntax would actually be:
ALTER TABLE users
ADD COLUMN log VARCHAR(12) NOT NULL AFTER lastname,
ADD COLUMN status INT(10) UNSIGNED NOT NULL AFTER lastname,
ADD COLUMN count SMALLINT(...
Deleting a resource using http DELETE
...
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how to File.listFiles in alphabetical order?
...
The listFiles method, with or without a filter does not guarantee any order.
It does, however, return an array, which you can sort with Arrays.sort().
File[] files = XMLDirectory.listFiles(filter_xml_files);
Arrays.sort(files);
for(File _xml_file : files) {
...
}
This works because File...
What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?
...
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How to search and replace globally, starting from the cursor position and wrapping around the end of
...pattern or flags
are altered in the first one.
2. To save some typing, in order to bring up the skeleton of
the above substitution command in the command line, one can define
a Normal-mode mapping, like so:
:noremap <leader>cs :,$s///gc\|1,''-&&<c-b><right><right><...
Why does overflow:hidden not work in a ?
...e fixed width cell(s).
With one fixed width column:
* {
box-sizing: border-box;
}
table {
table-layout: fixed;
border-collapse: collapse;
width: 100%;
max-width: 100px;
}
td {
background: #F00;
padding: 20px;
overflow: hidden;
white-space: nowrap;
width: 100px;
border: soli...
Postgres DB Size Command
...g_size_pretty(pg_database_size(t1.datname)) as db_size
from pg_database t1
order by pg_database_size(t1.datname) desc;
If you intend the output to be consumed by a machine instead of a human, you can cut the pg_size_pretty() function.
...
How can I make an “are you sure” prompt in a Windows batchfile?
...y thing I would add is an additional SET AREYOUSURE=N before the prompt in order to clear the choice if you already ran the script before in that command window. Without it the default will remain the previously selected choice.
– isapir
Dec 26 '14 at 21:05
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Merge a Branch into Trunk
...f extraneous info. There's a reason why the abstract of studies get read orders of magnitude more than any other part of a study. The same goes for UX testing, minimizing bounce rates, etc. It's all the same principle.
– ahnbizcad
Oct 17 '15 at 4:21
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Use of var keyword in C#
... make code more readable in some cases. If I have a Customer class with an Orders property, and I want to assign that to a variable, I will just do this:
var orders = cust.Orders;
I don't care if Customer.Orders is IEnumerable<Order>, ObservableCollection<Order> or BindingList<Orde...