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离线版启动超时，有报错日志 - App Inventor 2 离线版 - 清泛IT社区，为创新赋能！
web服务启动报错：
Picked up JAVA_TOOL_OPTIONS: "-Dfile.encoding=UTF-8"
Executing [D:\appinventor\AppInventor2\resources\app.asar.unpacked\OpenJDK\bin\java, --add-opens=java.base/java.lang=ALL-UNNAMED, -Xmx4G, --add-opens, java.base/java.net=ALL-UNNAMED, --add-opens, java.base/sun.ne...
is there a post render callback for Angular JS directive?
...meout has the added benefit of calling $scope.$apply() after it runs. With _.defer() you will need to call it manually if myFunction changes variables on the scope.
– parliament
Aug 10 '15 at 4:07
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HTML character decoding in Objective-C / Cocoa Touch
...
en.wikipedia.org/wiki/ISO/IEC_8859-1#ISO-8859-1 or just type & into google.
– Matt Bridges
Jul 12 '09 at 11:39
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How do you check if a variable is an array in JavaScript? [duplicate]
...re https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray
variable instanceof Array
This method runs about 1/3 the speed as the first example. Still pretty solid, looks cleaner, if you're all about pretty code and not so much on performance. Note that check...
Is there a better way to do optional function parameters in JavaScript? [duplicate]
... using jQuery. If you don't use jQuery, you could instead use Underscore's _.defaults(object, defaults) or browse these options:
function myFunc( args ) {
var defaults = {
optionalA: 'Some default',
optionalB: 'Another default',
optionalC: 'Some other default'
};
args = $.extend({...
Can I see changes before I save my file in Vim?
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http://vim.wikia.com/wiki/Diff_current_buffer_and_the_original_file
Here is a function and command to see a diff between the currently edited file and its unmodified version in the filesystem. Just put this in your vimrc or in the plugin directory, op...
How do I sort an NSMutableArray with custom objects in it?
...OrderedSame, however in my code I though an exception.
NSArray *sorted = [_scores sortedArrayUsingComparator:^(id obj1, id obj2){
if ([obj1 isKindOfClass:[Score class]] && [obj2 isKindOfClass:[Score class]]) {
Score *s1 = obj1;
Score *s2 = obj2;
if (s1.points &g...
write a shell script to ssh to a remote machine and execute commands
...
This work for me.
Syntax : ssh -i pemfile.pem user_name@ip_address 'command_1 ; command 2; command 3'
#! /bin/bash
echo "########### connecting to server and run commands in sequence ###########"
ssh -i ~/.ssh/ec2_instance.pem ubuntu@ip_address 'touch a.txt; touch b.txt; s...
What is the email subject length limit?
... many problems with the subject you set: 1. Spaces should be encoded with '_', 2. An 'encoded-word' (=?charset?Q/B?data?=) may not be more than 75 characters long (rfc2047). 3rd You can not escape new line with '=' char at the end of the line (header QP encoding is different then body QP). Bottom l...
JavaScript for…in vs for
... There's always documentcloud.github.com/underscore which has _.each and a whole lot of other useful functions
– w00t
Nov 29 '11 at 11:01
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