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String literals and escape characters in postgresql
...h are an extension to the SQL standard. An escape string constant is specified by writing the letter E (upper or lower case) just before the opening single quote, e.g. E'foo'. (When continuing an escape string constant across lines, write E only before the first opening quote.) Within an escape stri...
Is System.nanoTime() completely useless?
...
This answer was written in 2011 from the point of view of what the Sun JDK of the time running on operating systems of the time actually did. That was a long time ago! leventov's answer offers a more up-to-date perspective.
That post is wrong, and nanoTime is safe. There's a...
What is a “feature flag”?
...trol to reduce the feature-set somewhat if you need to, say, reduce db queries if the load is too high.
There are heaps of other reasons you would want to use this though - one of the main being enabling Continuous Delivery: pushing things into production/live yet having the feature disabled/toggl...
What techniques can be used to define a class in JavaScript, and what are their trade-offs?
...
Here's the way to do it without using any external libraries:
// Define a class like this
function Person(name, gender){
// Add object properties like this
this.name = name;
this.gender = gender;
}
// Add methods like this. All Person objects will be able to invoke thi...
What is Bootstrap?
...uestions here related to Bootstrap. I see a lot of people using it. So I tried to research it, and I found the official Bootstrap site , but there was only a download section and a few words after that. Nothing that explains what is it for... I just understood that it is a front-end helper. I have ...
How to get a DOM Element from a JQuery Selector
...e")[0];
There isn't actually a lot you need this for however (in my experience). Take your checkbox example:
$(":checkbox").click(function() {
if ($(this).is(":checked")) {
// do stuff
}
});
is more "jquery'ish" and (imho) more concise. What if you wanted to number them?
$(":checkbox")...
Switch on ranges of integers in JavaScript [duplicate]
... agree I want something more optimized and neat which works well with the piece of software I'm writing. But the truth is this that guys like me came here to get there things fixed and remember every beginner reached at top if they keep rolling and do not stop at the point whether it is better or wo...
I need this baby in a month - send me nine women!
...?
There are a number of things that I think are necessary, but not sufficient, for this to occur (in no particular order):
The proposed individuals to be added to the project must have:
At least a reasonable understanding of the problem domain of the project
Be proficient in the language of th...
Git branch strategy for small dev team [closed]
...devs who have never used source control. This is the one that fit http://nvie.com/posts/a-successful-git-branching-model/ I tried using the standard GIT workflow thats in the man pages but it confused me slightly and my audience completely.
Over the past 6 months I have only had to fix conflicts t...
Putting text in top left corner of matplotlib plot
...ll be independent of the size of the plot:
The default transform specifies that text is in data coords,
alternatively, you can specify text in axis coords (0,0 is lower-left
and 1,1 is upper-right). The example below places text in the center
of the axes::
text(0.5, 0.5,'matplotlib',
...