大约有 47,000 项符合查询结果（耗时：0.1038秒） [XML]
How to remove the left part of a string?
...
time-travelling much ? ;-) from PEP 596 -- Python 3.9 Release Schedule: 3.9.0 final: Monday, 2020-10-05
– ssc
Jun 7 at 10:21
2
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Trigger a button click with JavaScript on the Enter key in a text box
...are using asp.net you will have to return false at the end to stop asp.net from still intercepting the event.
– maxp
Jan 13 '12 at 10:49
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How do I list all cron jobs for all users?
...replace
# whitespace characters with a single space, and remove any spaces from the
# beginning of each line.
function clean_cron_lines() {
while read line ; do
echo "${line}" |
egrep --invert-match '^($|\s*#|\s*[[:alnum:]_]+=)' |
sed --regexp-extended "s/\s+/ /g"...
How to create a simple proxy in C#?
...est to that remote server. Reads response.
Step 3: After response is read from remote HTTP server, Proxy sends the response through an earlier opened TCP connection with browser.
Schematically it will look like this:
Browser Proxy HTTP server
Open ...
Is it bad practice to use Reflection in Unit testing? [duplicate]
...ublic.
Note that using Reflection in general results in code which, apart from being harder to understand and maintain, is also more fragile. There are a whole set of errors which in the normal case would be detected by the compiler, but with Reflection they crop up as runtime exceptions only.
Upd...
Facebook access token server-side validation for iPhone app
...oken you want to verify, and ACCESS_TOKEN is your app's token that you got from step 1.
The debug endpoint basically dumps all information about a token, so it'll respond with something like this:
{
data: {
app_id: YOUR_APP_ID,
is_valid: true,
metadata: {
ss...
Library? Static? Dynamic? Or Framework? Project inside another project
...achments to my main project's nib file, it also showed outlets and actions from my subproject. This could definitely lead to some confusion. Any tips to get rid of those? Thanks!
– pizzafilms
Mar 11 '13 at 16:26
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Adding :default => true to boolean in existing Rails column
...m not sure when this was written, but currently to add or remove a default from a column in a migration, you can use the following:
change_column_null :products, :name, false
Rails 5:
change_column_default :products, :approved, from: true, to: false
http://edgeguides.rubyonrails.org/active_rec...
CSS Progress Circle [closed]
...imation-name: right-spin;
}
/* Rotate the right side of the progress bar from 0 to 180 degrees */
@-webkit-keyframes right-spin {
from {
-webkit-transform: rotate(0deg);
}
to {
-webkit-transform: rotate(180deg);
}
}
/* Rotate the left side of the progress bar from 0 to 360...
Virtual Serial Port for Linux
...y ("pseudo-teletype", where a serial port is a "real teletype") for this. From one end, open /dev/ptyp5, and then attach your program to /dev/ttyp5; ttyp5 will act just like a serial port, but will send/receive everything it does via /dev/ptyp5.
If you really need it to talk to a file called /dev/...