大约有 40,000 项符合查询结果（耗时：0.0461秒） [XML]
Total size of the contents of all the files in a directory [closed]
... the size the directory takes up on the disk.
– anton_rh
Sep 24 '18 at 11:59
add a comment
|
...
Gradle, Android and the ANDROID_HOME SDK location
...
I've solved the problem. This works for me:
In
/my_current_project/
I've created a file called local.properties and put inside
sdk.dir=/my_current_path_to/sdk
In the console I need to do
set ANDROID_HOME=/my_current_path_to/sdk
Hope this helps.
...
remove legend title in ggplot
...
You were almost there : just add theme(legend.title=element_blank())
ggplot(df, aes(x, y, colour=g)) +
geom_line(stat="identity") +
theme(legend.position="bottom") +
theme(legend.title=element_blank())
This page on Cookbook for R gives plenty of details on how to customize ...
PHP validation/regex for URL
...lieve I've run into issues, but I'm sure it's not exhaustive:
$text = preg_replace(
'#((https?|ftp)://(\S*?\.\S*?))([\s)\[\]{},;"\':<]|\.\s|$)#i',
"'<a href=\"$1\" target=\"_blank\">$3</a>$4'",
$text
);
Most of the random junk at the end is to deal with situations like http:/...
How to get a list of all files that changed between two Git commits?
...36000 +0000 .cpl/params/libsecret
2015-01-21 09:10:01.294778000 +0000 .cpl/_deps
2015-01-21 09:17:42.846372000 +0000 .cpl/params/npth
2015-01-21 12:12:19.002718000 +0000 sbin/git-rcd
I now can review my modifications, from oldest to more recent.
...
Prototypical inheritance - writing up [duplicate]
...indicate to other programmers a member is meant to be private by naming it _aPrivate or putting all the private variables in an object variable called _.
You can implement private members through closures but instance specific private members can only be accessed by functions that are not on the p...
jQuery: checking if the value of a field is null (empty)
... "NULL". You want to check if it's an empty string instead:
if ($('#person_data[document_type]').val() != ''){}
or:
if ($('#person_data[document_type]').val().length != 0){}
If you want to check if the element exist at all, you should do that before calling val:
var $d = $('#person_data[docum...
Regular expression \p{L} and \p{N}
...not be using alternation when a character class would suffice:
[\p{L}\p{N}_.-]*
share
|
improve this answer
|
follow
|
...
How to validate an email address in PHP
...t way to check whether an email address is well-formed is to use the filter_var() function:
if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
// invalid emailaddress
}
Additionally you can check whether the domain defines an MX record:
if (!checkdnsrr($domain, 'MX')) {
// domain is not v...
What's the difference setting Embed Interop Types true and false in Visual Studio?
...oblem was merging such assemblies with ILMerge.
– Ant_222
Aug 4 at 13:37
add a comment
|
...