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Formatting a number with exactly two decimals in JavaScript
...imal places. But I get numbers like this: 10.8, 2.4, etc. These are not my idea of two decimal places so how I can improve the following?
...
Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
...resql.org/wiki/Transactional_DDL_in_PostgreSQL:_A_Competitive_Analysis provides an overview of this issue from PostgreSQL's perspective.
Is DDL transactional according to this document?
PostgreSQL - yes
MySQL - no; DDL causes an implicit commit
Oracle Database 11g Release 2 and above - by default...
Facebook Like Button - how to disable Comment pop up?
...
Simplest fix to hide the comment box after Facebook Like (XFBML version not the iframe one) is as given:
.fb_edge_widget_with_comment span.fb_edge_comment_widget iframe.fb_ltr {
display: none !important;
}
Put the CSS style in any of y...
ng-options with simple array init
...
You're off topic. You didn't understand the instructions. He want value in his select.
– EpokK
Aug 13 '13 at 6:41
10
...
When vectors are allocated, do they use memory on the heap or the stack?
... uses internally to store the items will be on the heap. The items will reside in that array.
vector<Type> *vect = new vector<Type>; //allocates vect on heap and each of the Type will be allocated on stack
No. Same as above, except the vector class will be on the heap as well.
vec...
Calling shell functions with xargs
...ould be simplified to
bash -c 'echo_var "{}"'
moving the {} directly inside it. But it's vulnerable to command injection as pointed out by @Sasha.
Here is an example why you should not use the embedded format:
$ echo '$(date)' | xargs -I {} bash -c 'echo_var "{}"'
Sun Aug 18 11:56:45 CDT 2019
...
How can I build multiple submit buttons django form?
... use self.data in the clean_email method to access the POST data before validation. It should contain a key called newsletter_sub or newsletter_unsub depending on which button was pressed.
# in the context of a django.forms form
def clean(self):
if 'newsletter_sub' in self.data:
# do s...
How can I read a whole file into a string variable
... The question doesn't ask for a byte array.
– Kyle Bridenstine
Sep 10 '19 at 16:24
Using this to open a html file and ...
How to swap two variables in JavaScript
...onstration below:
var a=1,
b=2,
output=document.getElementById('output');
output.innerHTML="<p>Original: "+a+", "+b+"</p>";
b = [a, a = b][0];
output.innerHTML+="<p>Swapped: "+a+", "+b+"</p>";
<div id="output"></div>
...
Sublime 3 - Set Key map for function Goto Definition
...3/Packages/User
Now open that file and put the following configuration inside
[
{
"button": "button1",
"count": 1,
"modifiers": ["ctrl"],
"press_command": "drag_select",
"command": "goto_definition"
}
]
You can change modifiers key as you like....