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Runtime vs. Compile time
... In fact, it needn't be a well-formed program at all. You could feed this HTML to the compiler and watch it barf...
What can go wrong at compile time:
Syntax errors
Typechecking errors
(Rarely) compiler crashes
If the compiler succeeds, what do we know?
The program was well formed---a meaningf...
Pass Nothing from Javascript to VBScript in IE9
...ork but if the browser is IE11 or later you will need the 'meta' tag.
<HTML>
<HEAD>
<meta http-equiv="x-ua-compatible" content="IE=10">
<TITLE>Pass Javscript to VBScript</TITLE>
<script>
var val = "null";
window.alert("Test: " + val);
</script>
...
What does an Asterisk (*) do in a CSS selector?
...
* is a wildcard. What it means is that it will apply the style to any HTML element. Additional *'s apply the style to a corresponding level of nesting.
This selector will apply different colored outlines to all elements of a page, depending on the elements's nesting level.
...
rails simple_form - hidden field - create?
...
try this
= f.input :title, :as => :hidden, :input_html => { :value => "some value" }
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How to remove .htaccess password protection from a subdirectory
... x.x.x.x
See : http://httpd.apache.org/docs/current/mod/mod_access_compat.html
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Force Screen On
...;
}
Docs http://developer.android.com/reference/android/view/View.html#setKeepScreenOn(boolean)
2. Adding keepScreenOn to xml layout
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_pa...
What is the fastest way to send 100,000 HTTP requests in Python?
...p
from aiohttp import ClientSession, ClientConnectorError
async def fetch_html(url: str, session: ClientSession, **kwargs) -> tuple:
try:
resp = await session.request(method="GET", url=url, **kwargs)
except ClientConnectorError:
return (url, 404)
return (url, resp.sta...
MySQL remove all whitespaces from the entire column
...name`, '\n', '')
http://dev.mysql.com/doc/refman/5.0/en/string-functions.html#function_replace
To remove first and last space(s) of column :
UPDATE `table` SET `col_name` = TRIM(`col_name`)
http://dev.mysql.com/doc/refman/5.0/en/string-functions.html#function_trim
...
Create an index on a huge MySQL production table without table locking
...ates
https://dev.mysql.com/doc/refman/8.0/en/innodb-online-ddl-operations.html#online-ddl-index-syntax-notes
In MySQL 5.6 and higher, the table remains available for read and write operations while the index is being created or dropped. The CREATE INDEX or DROP INDEX statement only finishes aft...
What is the difference between HTTP status code 200 (cache) vs status code 304?
...e. Some good notes about this here: developer.yahoo.com/performance/rules.html#expires . You want as long an expiration time as possible on your assets, but have to balance this with the fact that you lose a certain amount of control this way. One thing you can do is set long-lasting expirations ...