大约有 40,000 项符合查询结果(耗时:0.0470秒) [XML]
How can I get the latest JRE / JDK as a zip file rather than EXE or MSI installer? [closed]
...\JDK
Execute the following commands in cmd.exe:
cd C:\JDK\.rsrc\1033\JAVA_CAB10
extrac32 111
Unpack C:\JDK\.rsrc\1033\JAVA_CAB10\tools.zip with 7-zip
Execute the following commands in cmd.exe:
cd C:\JDK\.rsrc\1033\JAVA_CAB10\tools\
for /r %x in (*.pack) do .\bin\unpack200 -r "%x" "%~dx%~px%~nx....
How to access property of anonymous type in C#?
...>();
nodes.Add(
new
{
Checked = false,
depth = 1,
id = "div_1"
});
1. Solution with dynamic
In C# 4.0 and higher versions, you can simply cast to dynamic and write:
if (nodes.Any(n => ((dynamic)n).Checked == false))
Console.WriteLine("found not checked element!");
Note:...
How do I format a date with Dart?
...
You can use the intl package (installer) to format dates.
For en_US formats, it's quite simple:
import 'package:intl/intl.dart';
main() {
final DateTime now = DateTime.now();
final DateFormat formatter = DateFormat('yyyy-MM-dd');
final String formatted = formatter.format(now);
pr...
CoffeeScript, When to use fat arrow (=>) over arrow (->) and vice versa
...just call DummyClass.
class DummyClass
constructor : () ->
some_function : () ->
return "some_function"
other_function : () =>
return "other_function"
dummy = new DummyClass()
dummy.some_function() == "some_function" # true
dummy.other_function() == "other...
ipython: print complete history (not just current session)
...
First use %hist -o -g -f ipython_history.md to output the history (input and output) to a text file. (http://ipython.readthedocs.io/en/stable/interactive/magics.html#magic-history)
Then you can use the the get_session_info function to retreive the date and...
Javascript fuzzy search that makes sense
... asked for though. Also, this can be expensive if the list is massive.
get_bigrams = (string) ->
s = string.toLowerCase()
v = new Array(s.length - 1)
for i in [0..v.length] by 1
v[i] = s.slice(i, i + 2)
return v
string_similarity = (str1, str2) ->
if str1.length &...
Fastest way to check if a string matches a regexp in ruby?
...y
require 'benchmark'
str = "aacaabc"
re = Regexp.new('a+b').freeze
N = 4_000_000
Benchmark.bm do |b|
b.report("str.match re\t") { N.times { str.match re } }
b.report("str =~ re\t") { N.times { str =~ re } }
b.report("str[re] \t") { N.times { str[re] } }
b.report("re =~ str...
Convert an NSURL to an NSString
...[myURL absoluteString]; But I had met this error and xcode was crashed. -[__NSCFString absoluteString]: unrecognized selector sent to instance 0x791a18e0
– Võ Mai Trinh
Jun 22 '15 at 9:39
...
How to list all users in a Linux group?
...rs;
my $usertext = `getent passwd`;
my @users = $usertext =~ /^([a-zA-Z0-9_-]+):/gm;
foreach my $userid (@users)
{
my $usergrouptext = `id -Gn $userid`;
my @grouplist = split(' ',$usergrouptext);
foreach my $group (@grouplist)
{
$groupmembers{$group}->{$userid} = 1;
...
How does Rails keep track of which migrations have run for a database?
...
Rails creates a table in your database called schema_migrations to keep track of which migrations have run.
The table contains a single column, version. When Rails runs a migration, it takes the leading digits in the migration's file name and inserts a row for that "version",...
