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The role of #ifdef and #ifndef
In this what is the role of #ifdef and #ifndef , and what's the output?
4 Answers
4...
When to add what indexes in a table in Rails
...ld be better, because it accelerates the search in sorting in this column. And Foreign keys are something searched for a lot.
Since Version 5 of rails the index will be created automatically, for more information see here.
Should I add "index" to the automatically created "id" column?
No, thi...
The function to show current file's full path in mini buffer
...t thing to do is to have your emacs window to always show your system-name and the full path of the buffer you're currently editing :
(setq frame-title-format
(list (format "%s %%S: %%j " (system-name))
'(buffer-file-name "%f" (dired-directory dired-directory "%b"))))
You can also d...
Custom toast on Android: a simple example
I'm new to Android programming. What is a simple example showing a custom toast notification on Android?
17 Answers
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C++ Structure Initialization
...
I personally like and recommend this style
– Dinesh P.R.
Jul 17 '12 at 6:22
40
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How to Avoid Response.End() “Thread was being aborted” Exception during the Excel file download
I tried to convert my dataset into excel and download that excel .I got my required excel file.But System.Threading.ThreadAbortException was raised every excel download.
How to resolve this issue ?..
Please help me...
...
How to reload a clojure file in REPL
...ong in the OP's dev environment because for a single file the two (:reload and :reload-all) should have the same effect. Here's the full command for :reload-all: (use 'your.namespace :reload-all) This reloads all the dependencies, too.
– Jason
Feb 19 '16 at 1...
How does git compute file hashes?
... | shasum
8ab686eafeb1f44702738c8b0f24f2567c36da6d
Source: http://alblue.bandlem.com/2011/08/git-tip-of-week-objects.html
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Clearing coverage highlighting in Eclipse
...ura or an EMMA plugin), my source code files get highlighted in green, red and yellow depending on which lines of code were covered by tests.
...
How to validate date with format “mm/dd/yyyy” in JavaScript?
...;
var year = parseInt(parts[2], 10);
// Check the ranges of month and year
if(year < 1000 || year > 3000 || month == 0 || month > 12)
return false;
var monthLength = [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];
// Adjust for leap years
if(year % 400...