大约有 40,000 项符合查询结果(耗时:0.0492秒) [XML]
What is the proper way to use the node.js postgresql module?
...ottleknecked based on how fast postgres
can respond to queries. It literally will line everything up, queuing
each query. Yeah, it's async and so that's alright...but wouldn't you
rather multiply your throughput by 10x? Use pg.connect set the
pg.defaults.poolSize to something sane (we do...
How to clear the canvas for redrawing
...
A totally minor suggesting but I'd suggest context.clearRect(0, 0, context.canvas.width, context.canvas.height). It's effectively the same thing but one less dependency (1 variable instead of 2)
– gman
...
Is it correct to use alt tag for an anchor link?
...level-semantics.html#the-a-element
check "Content attributes", which lists all allowed attributes for the a element:
Global attributes
href
target
download
rel
hreflang
type
check the linked "Global attributes": https://www.w3.org/TR/html5/dom.html#global-attributes
As you...
How to create permanent PowerShell Aliases
...ing on which user have to execute it. We can consider only 2 of them: the "all users" and the "only your user" paths.
So to answer your question you only have to create a profile.ps1 file containing the code you want to be executed, that is
New-Alias Goto Set-Location
and save it in the proper p...
Media query to detect if device is touchscreen
...devices, you can simple use:
if(window.TouchEvent) {
//.....
}
Especially for Ipad:
if(window.Touch) {
//....
}
But, these do not work on Android.
Modernizr gives feature detection abilities, and detecting features is
a good way to code, rather than coding on basis of browsers.
...
In git how is fetch different than pull and how is merge different than rebase?
...aving your local* branch unchanged.
pull will perform a fetch and additionally merge the changes into your local branch.
What's the difference? pull updates you local branch with changes from the pulled branch. A fetch does not advance your local branch.
merge vs rebase
Given the following histo...
How accurately should I store latitude and longitude?
...
Actually, equator is best case. One latitude and one longitude degree are the same size at the equator (69 miles), but one degree of longitude shrinks to zero as it approaches either of the poles. Here's a very nice explanation: ...
Generating a random & unique 8 character string using MySQL
... us to concentrate on the uniqueness first. Non-random uniqueness can trivially be achieved with AUTO_INCREMENT. So using a uniqueness-preserving, pseudo-random transformation would be fine:
Hash has been suggested by @paul
AES-encrypt fits also
But there is a nice one: RAND(N) itself!
A sequenc...
nginx - client_max_body_size has no effect
...NGINX large uploads are successfully working on hosted WordPress sites, finally (as per suggestions from nembleton & rjha94)
I thought it might be helpful for someone, if I added a little clarification to their suggestions. For starters, please be certain you have included your increased uploa...
Changing the case of a string in Eclipse
... You can use the hot key CTRL+SHIFT+L to bring up the popup that contains all the available hot-keys
– Ken Chan
Oct 4 '12 at 18:57
...
