大约有 40,000 项符合查询结果（耗时：0.0481秒） [XML]
filter items in a python dictionary where keys contain a specific string
...
How about a dict comprehension:
filtered_dict = {k:v for k,v in d.iteritems() if filter_string in k}
One you see it, it should be self-explanatory, as it reads like English pretty well.
This syntax requires Python 2.7 or greater.
In Pyth...
java SSL and cert keystore
...e.key -Djavax.net.ssl.trustStorePassword=customPassword Refer docs.oracle.com/javadb/10.8.3.0/adminguide/cadminsslclient.html
– Kingsly
Feb 27 '19 at 21:42
...
Interface/enum listing standard mime-type constants
I am looking among the standard libraries (like apache commons, jax, jboss, javax) for an interface or enum that lists the values of all the standard mime-type (aka content-type).
...
Android LinearLayout : Add border with shadow around a LinearLayout
...encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="rectangle">
<solid android:color="#CABBBBBB"/>
<corners android:radius="2dp" />
</shape>
<...
How to send an email with Python?
...
I recommend that you use the standard packages email and smtplib together to send email. Please look at the following example (reproduced from the Python documentation). Notice that if you follow this approach, the "simple" task ...
Find rows with multiple duplicate fields with Active Record, Rails & Postgres
...o, this is a little unrelated but handy. If you want to see how times each combination was found, put .size at the end:
User.select(:first,:email).group(:first,:email).having("count(*) > 1").size
and you'll get a result set back that looks like this:
{[nil, nil]=>512,
["Joe", "test@test.c...
Stash only one file out of multiple files that have changed with Git?
...
You can also use git stash save -p "my commit message". This way you can select which hunks should be added to stash, whole files can be selected as well.
You'll be prompted with a few actions for each hunk:
y - stash this hunk
n - do not stash this hunk
...
On localhost, how do I pick a free port number?
I'm trying to play with inter-process communication and since I could not figure out how to use named pipes under Windows I thought I'll use network sockets. Everything happens locally. The server is able to launch slaves in a separate process and listens on some port. The slaves do their work and s...
How to launch Safari and open URL from iOS app
...BAction in the header .h files as follows:
- (IBAction)openDaleDietrichDotCom:(id)sender;
I added a UIButton on the Settings page containing the text that I want to link to.
I connected the button to IBAction in File Owner appropriately.
Then implement the following:
Objective-C
- (IBAction)o...
How to keep/exclude a particular package path when using proguard?
I want to exclude some file paths from ProGuard. Example com.myapp.customcomponents
4 Answers
...