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How to write an inline IF statement in JavaScript?
...developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/Conditional_Operator
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Is there a portable way to print a message from the C preprocessor?
...pragma message" and "warning" somehow? For example, something like: #ifdef _LINUX #define #preprocmsg "#warning" else #define #preprocmsg "#pragma message"... I'll have to try that but instinct tells me the answer is no.
– Bryan
Sep 30 '10 at 0:41
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How to find out how many lines of code there are in an Xcode project?
...loc-1.56.pl' command. If your source code is located in directory 'project_code' You just need to run following command.
– JZ.
Sep 26 '14 at 3:41
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What is the argument for printf that formats a long?
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printf("%ld", ULONG_MAX) outputs the value as -1. Should be printf("%lu", ULONG_MAX) for unsigned long as described by @Blorgbeard below.
– jammus
Nov 12 '11 at 16:03
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Is there a way to iterate over a slice in reverse in Go?
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How about use defer:
s := []int{5, 4, 3, 2, 1}
for i, _ := range s {
defer fmt.Println(s[i])
}
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How to send a PUT/DELETE request in jQuery?
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/* Extend jQuery with functions for PUT and DELETE requests. */
function _ajax_request(url, data, callback, type, method) {
if (jQuery.isFunction(data)) {
callback = data;
data = {};
}
return jQuery.ajax({
type: method,
url: url,
data: data,
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How to delete migration files in Rails 3
...rt DB changes due to this migration)
Run "rails destroy migration migration_name" (migration_name is the one use chose while creating migration. Remove "timestamp_" from your migration file name to get it)
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Rake just one migration
...n dropped from the database outside of Rails, rake db:migrate:up VERSION=my_version may do nothing, because the schema_migrations table still says it is has been run. In the same situation rake db:migrate:redo VERSION=my_version may fail because it cannot drop the table. In this case, comment out th...
Can you create nested WITH clauses for Common Table Expressions?
...recursive query:
WITH y
AS
(
SELECT x, y, z
FROM MyTable
WHERE [base_condition]
UNION ALL
SELECT x, y, z
FROM MyTable M
INNER JOIN y ON M.[some_other_condition] = y.[some_other_condition]
)
SELECT *
FROM y
You may not need this functionality. I've done the following just to organ...
How can I find the last element in a List?
... The delegate can be replaced with a lambda expression: myList.FindLast(_unused_variable_name => true); This will work regardless of type. A shorter version is myList.FindLast(_ => true);, but I find just the underscore (or any other single character identifier) can be a bit confusing at ti...