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Can someone explain the traverse function in Haskell?
I am trying and failing to grok the traverse function from Data.Traversable . I am unable to see its point. Since I come from an imperative background, can someone please explain it to me in terms of an imperative loop? Pseudo-code would be much appreciated. Thanks.
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Xcode 4 - “Valid signing identity not found” error on provisioning profiles on a new Macintosh insta
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With Xcode 4.2 and later versions, including XCode 4.6, there is a better way to migrate your entire developer profile to a new machine. On your existing machine, launch Xcode and do this:
Open the Organizer (Shift-Command-2).
Select the Devices tab.
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SmtpException: Unable to read data from the transport connection: net_io_connectionclosed
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EDIT: Super Redux Version
Try port 587 instead of 465. Port 465 is technically deprecated.
After a bunch of packet sniffing I figured it out. First, here's the short answer:
The .NET SmtpClient only supports encryption via STARTTLS. If the En...
IOS: create a UIImage or UIImageView with rounded corners
...r;
@end
// UIImageView+OSExt.m
#import "UIImageView+OSExt.h"
@implementation UIImageView (OSExt)
- (void)layoutSublayersOfLayer:(CALayer *)layer
{
for ( CALayer *sub in layer.sublayers )
{
if ( YES == [sub.name isEqual:@"border-shape"])
{
CGFloat borderHalf = fl...
Handling JSON Post Request in Go
... on a few factors, json.Decoder may not fully read the body and the connection will be ineligible for reuse.
– Kale B
May 21 '17 at 20:58
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Regular expression for first and last name
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Your regex fail on 2 characters string. I think this fixed it ^[\w'\-,.]*[^_!¡?÷?¿\/\\+=@#$%ˆ&*(){}|~<>;:[\]]*$
– TKA
Aug 8 '19 at 19:23
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How to install pip for Python 3 on Mac OS X?
...alls pip3 as part of the stock install.
I ended up posting this same question on the python mailing list, and got the following answer:
# download and install setuptools
curl -O https://bootstrap.pypa.io/ez_setup.py
python3 ez_setup.py
# download and install pip
curl -O https://bootstrap.pypa.io/g...
What is a JavaBean exactly?
...ument constructor
Implements Serializable.
That's it. It's just a convention. Lots of libraries depend on it though.
With respect to Serializable, from the API documentation:
Serializability of a class is enabled by the class implementing the
java.io.Serializable interface. Classes that do...
思维导图软件 XMind 与 FreeMind 的对比 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... 要向 FreeMind 学习
（1）能导出哪些格式
– XMind 免费版：FreeMind、html、图片（bmp/jpg/gif/png）、纯文本
– XMind Pro：以上 + MindManager、pdf（普通/思维图）、ppt/doc/rtf （截屏）
– FreeMind：各种html、flash、pdf、OpenOffice文档...
What's the dSYM and how to use it? (iOS SDK)
... but don't have the machine the compiled the app binary follow the instructions in this link in order to install the dSYM into the machine
For more information please see apple technical note TN2151
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