大约有 590 项符合查询结果（耗时：0.0246秒） [XML]
How to set HTTP headers (for cache-control)?
...atch "\.(jpg|jpeg|png)$">
Header set Cache-Control "max-age=1209600, public"
</filesmatch>
# css and js should use private for proxy caching https://developers.google.com/speed/docs/best-practices/caching#LeverageProxyCaching
<filesmatch "\.(css)$">
Header ...
How can I make gdb save the command history?
...rt answer: echo 'set history save on' >> ~/.gdbinit && chmod 600 ~/.gdbinit
Long answer:
Command history is covered in the GDB manual, 22.3 Command History. Create a file $HOME/.gdbinit, change its permissions to 0600, and add the following content:
set history save on
You can s...
Are GUID collisions possible?
...a collision.
For a 1% chance of collision, you'd need to generate about 2,600,000,000,000,000,000 GUIDs.
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Studies on optimal code width?
... kind of answer the OP's question, one "study" has been going on for about 600 years now - the printed book. These have evolved over the centuries, with readbility foremost in mind, to the position we are at now where the average line length for text is around 60 characters. So for readability, go f...
How to change the style of alert box?
...
}
/* unrelated styles */
#mContainer {
position:relative;
width:600px;
margin:auto;
padding:5px;
border-top:2px solid #000;
border-bottom:2px solid #000;
font:0.7em verdana,arial;
}
h1,h2 {
margin:0;
padding:4px;
font:bold 1.5em verdana;
border-bottom:...
Facebook API - How do I get a Facebook user's profile image through the Facebook API (without requir
... pixels.
Large
maximum width of 200 pixels and a maximum height of 600 pixels.
If you call the default USER_ID/picture you get the square type.
CLARIFICATION
If you call (as per above example)
https://graph.facebook.com/redbull/picture?width=140&height=110
it will return a JSON r...
Get ffmpeg information in friendly way
...bit_rate,codec_name,duration -of csv=p=0:s=x video.mp4
results in:
h264x600x480x25/1x385.680000x542326
-select_streams v:0 selects only the video stream. If you remove that parameter you get one line for each stream.
sha...
How do I add a password to an OpenSSH private key that was generated without a password?
..._key -out ~/.ssh/your_key.enc
mv ~/.ssh/your_key.enc ~/.ssh/your_key
chmod 600 ~/.ssh/your_key
see: https://security.stackexchange.com/a/59164/194668
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@Media min-width & max-width
...
/* default styles here for older browsers.
I tend to go for a 600px - 960px width max but using percentages
*/
@media only screen and (min-width: 960px) {
/* styles for browsers larger than 960px; */
}
@media only screen and (min-width: 1440px) {
/* style...
EC2 instance types's exact network performance?
...dium = t2.medium gets 250-300 MBit/s, m3.medium ~400 MBit/s
*.large = ~450-600 MBit/s (the most variation, see below)
*.xlarge = 700-900 MBit/s
*.2xlarge = ~1 GBit/s +- 10%
*.4xlarge = ~2 GBit/s +- 10%
*.8xlarge and marked specialty = 10 Gbit, expect ~8.5 GBit/s, requires enhanced networking & V...