大约有 13,700 项符合查询结果（耗时：0.0245秒） [XML]
Android: How can I validate EditText input?
...ern.compile("[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz123456789_]*");
Matcher matcher = pattern.matcher(checkMe);
boolean valid = matcher.matches();
if(!valid){
Log.d("", "invalid");
return "";
}
}
...
Site does not exist error for a2ensite
...ited Jul 26 '19 at 7:26
Traveler_3994
3588 bronze badges
answered Dec 15 '13 at 6:54
devodevo
...
How do I trigger the success callback on a model.save()?
...y just pass {} in case you want to save model itself.
this.model.save({}, _.bind(function(model, response){
//Do whatever you want e.g.
this.collection.add(model)
}, this))
share
|
improve thi...
Retrieving the output of subprocess.call() [duplicate]
... in this case). It is fine to use PIPE with subprocess.Popen e.g., output, _ = Popen(..., stdout=PIPE).communicate() as this answer suggests.
– jfs
Jan 10 '14 at 22:42
...
How do I exit a WPF application programmatically?
...is where from one window pop up another window and, in that window's window_closed event I added this code. all the windows disappear, but the program still runs beyond where after the pop up is created.
– diyoda_
Jan 5 '13 at 17:37
...
How do I display the current value of an Android Preference in the Preference summary?
...ref.getSummary() return already modified values.
– LA_
Mar 27 '14 at 11:35
...
How to keep up with the latest versions of Node.js in Ubuntu? PPA? Compiling?
...pet into console:
# Using Ubuntu
curl -sL https://deb.nodesource.com/setup_5.x | sudo -E bash -
sudo apt-get install -y nodejs
You'll find more info on installing node in different version or different distributions here:
https://github.com/nodesource/distributions#installation-instructions
Chri...
How can I send an HTTP POST request to a server from Excel using VBA?
...rplanet.com/flights.txt", Destination:=Range("A2"))
.PostText = "origin_airport=MSN&destination_airport=ORD"
.RefreshStyle = xlOverwriteCells
.SaveData = True
.Refresh
End With
Notes:
Regarding output... I don't know if it's possible to return the results to the same cell tha...
Test if a variable is set in bash when using “set -o nounset”
...ash
$ /bin/bash --version | head -1
GNU bash, version 4.1.2(1)-release (x86_64-redhat-linux-gnu)
$ set -o nounset
If you want a non-interactive script to print an error and exit if a variable is null or not set:
$ [[ "${HOME:?}" ]]
$ [[ "${IAMUNBOUND:?}" ]]
bash: IAMUNBOUND: parameter null or no...
move_uploaded_file gives “failed to open stream: Permission denied” error
...
This is because images and tmp_file_upload are only writable by root user. For upload to work we need to make the owner of those folders same as httpd process owner OR make them globally writable (bad practice).
Check apache process owner: $ps aux | gre...