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VIM Ctrl-V Conflict with Windows Paste
...key back to VIM visual mode instead of pasting. I prefer to set this in my _vimrc configuration file.
7 Answers
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Declare a block method parameter without using a typedef
...ssue benefits from multiple):
@implementation CallbackAsyncClass {
void (^_loginCallback) (NSDictionary *response);
}
// …
- (void)loginWithCallback:(void (^) (NSDictionary *response))handler {
// Do something async / call URL
_loginCallback = Block_copy(handler);
// response will c...
Replace input type=file by an image
...
This works really well for me:
.image-upload>input {
display: none;
}
<div class="image-upload">
<label for="file-input">
<img src="https://icon-library.net/images/upload-photo-icon/upload-photo-icon-21...
Python group by
...
Python's built-in itertools module actually has a groupby function , but for that the elements to be grouped must first be sorted such that the elements to be grouped are contiguous in the list:
from operator import itemgetter
sortkeyfn = itemgetter(1)
input = [(...
How to lose margin/padding in UITextView?
...of the silliest bugs in iOS.
The class given here, UITextViewFixed is a usually the most reasonable solution overall.
Here is the class:
@IBDesignable class UITextViewFixed: UITextView {
override func layoutSubviews() {
super.layoutSubviews()
setup()
}
func setup() {
...
Logical operators (“and”, “or”) in DOS batch
...an implicit conjunction.
IF Exist File1.Dat IF Exist File2.Dat GOTO FILE12_EXIST_LABEL
If File1.Dat and File1.Dat exist then jump the label FILE12_EXIST_LABEL.
See also: IF /?
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ViewBag, ViewData and TempData
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1)TempData
Allows you to store data that will survive for a redirect. Internally it uses the Session as backing store, after the redirect is made the data is automatically evicted. The pattern is the following:
public ActionResult Foo(...
Receiving “fatal: Not a git repository” when attempting to remote add a Git repo
...s step, but had to do it again after setting up my engine yard account installing engine yard.
– AVProgrammer
Feb 6 '12 at 1:04
3
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Google Chrome form autofill and its yellow background
...mages behind your input field just fill the whole area with white. I tried all the solutions on this page, including the jquery based ones and they didnt work for me, in the end i had to add autocomplete="off" to the field.
– Myke Black
Mar 28 '14 at 15:05
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CentOS 6.4下Squid代理服务器的安装与配置 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...|grep squid
3.2 如果未安装，则使用yum 方式安装
# yum -y install squid
3.3 设置开机自启动
# chkconfig --level 35 squid on //在3、5级别上自动运行squid服务
四、squid服务器的配置文件说明
squid 的主配置文件是 /etc/squid/squid.conf，...