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How to format numbers by prepending 0 to single-digit numbers?
...d(1, 2) // 01
leftPad(10, 2) // 10
leftPad(100, 2) // 100
leftPad(1, 3) // 001
leftPad(1, 8) // 00000001
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Capitalize only first character of string and leave others alone? (Rails)
... = string.slice(0,1).capitalize + string.slice(1..-1)
Update:
irb(main):001:0> string = "i'm from New York..."
=> "i'm from New York..."
irb(main):002:0> new_string = string.slice(0,1).capitalize + string.slice(1..-1)
=> "I'm from New York..."
...
Android- create JSON Array and JSON Object
...mpArray = new ArrayList<>();
tmpArray.add(new String[]{"b001","book1"});
tmpArray.add(new String[]{"b002","book2"});
//** Json Array Example
JSONArray jrrM = new JSONArray();
for(int i=0; i<tmpArray.size(); i++){
...
深入浅出计算机字符集编码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...xx 10xxxxxx
0x00000800 - 0x0000FFFF 1110xxxx 10xxxxxx 10xxxxxx
0x00010000 - 0x001FFFFF 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
0x00200000 - 0x03FFFFFF 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx
0x04000000 - 0x7FFFFFFF 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx
...
What's the best way to learn LISP? [closed]
...format. I highly recommend it.
http://groups.csail.mit.edu/mac/classes/6.001/abelson-sussman-lectures/
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Adding parameter to ng-click function inside ng-repeat doesn't seem to work
...er', function ($scope) {
$scope.employees = [
{ 'id': '001', 'name': 'Alpha', 'joinDate': '05/17/2015', 'age': 37 },
{ 'id': '002', 'name': 'Bravo', 'joinDate': '03/25/2016', 'age': 27 },
{ 'id': '003', 'name': 'Charlie', 'joinDate': '09/11/2015', 'age': 2...
半年报披露 天涯社区被资本方看空 - 资讯 - 清泛网 - 专注C/C++及内核技术
...司将1000股普通股拆分为100万股普通股，每股面值稀释为0.001美元，同时向天涯集团控股有限公司、First Sky Limited和 HappyJoin Limited 及其他投资者发行1400万股普通股。正是在这次发行中，谷歌买入了100万股，占比6.67%。
2009年，天涯...
程序员之网络安全系列（二）：如何安全保存用户密码及哈希算法 - 更多技术 ...
...这样MD5结果就大不一样.
jacks-MacBook-Air:~ jack$ irb
2.2.3 :001 > require 'digest/md5.so'
=> true
2.2.3 :002 > puts Digest::MD5.hexdigest('I love you')
e4f58a805a6e1fd0f6bef58c86f9ceb3
=> nil
2.2.3 :003 > puts Digest::MD5.hexdigest('I love you安红我爱你')
b10d890bf46b1a045eb9...
How to delete a workspace in Perforce (using p4v)?
...ser_name/.p4qt
user_name will be your username of your computer
Inside 001Clients folder WorkspaceSettings.xml file will be there.
There will be two tag
varName = "RecentlyUsedWorkspaces" remove the deleted workspace tag
A propertyList tag will be there with varName=deleted_workspace_name ...
ActiveRecord: List columns in table from console
......)
In rails four, you need to establish a connection first:
irb(main):001:0> User
=> User (call 'User.connection' to establish a connection)
irb(main):002:0> User.connection; nil #call nil to stop repl spitting out the connection object (long)
=> nil
irb(main):003:0> User
User(id...