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Storing SHA1 hash values in MySQL
...INARY(20) and CHAR(40).
CREATE TABLE `binary` (
`id` int unsigned auto_increment primary key,
`password` binary(20) not null
);
CREATE TABLE `char` (
`id` int unsigned auto_increment primary key,
`password` char(40) not null
);
With million of records binary(20) takes 44.56M, whil...
How can I produce an effect similar to the iOS 7 blur view?
...backgroundColor = [UIColor clearColor];
UIToolbar* bgToolbar = [[UIToolbar alloc] initWithFrame:myView.frame];
bgToolbar.barStyle = UIBarStyleDefault;
[myView.superview insertSubview:bgToolbar belowSubview:myView];
share
...
Git: can't undo local changes (error: path … is unmerged)
...
It's always amusing when the highest voted answer basically just says "you're doing it wrong" :)
– nathanchere
Dec 16 '12 at 23:39
4
...
Copy data into another table
...the column list for newTable is optional if you are specifying a value for all columns and selecting columns in the same order as newTable's schema):
INSERT INTO newTable (col1, col2, col3)
SELECT column1, column2, column3
FROM oldTable
...
How to display the default iOS 6 share action sheet with available share options?
...he UIActivityViewController stated in the other answer makes this trivial. All you have to do is specify the text/image/URL that you want to share and present the activity view controller modally and iOS will automatically display all applicable sharing services. Examples:
Objective-C
- (void)shar...
Changing the cursor in WPF sometimes works, sometimes doesn't
...deCursor:
Mouse.OverrideCursor = Cursors.Wait;
try
{
// do stuff
}
finally
{
Mouse.OverrideCursor = null;
}
This overrides the cursor for your application rather than just for a part of its UI, so the problem you're describing goes away.
...
HAproxy - Web负载均衡解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...参数的设置
log 127.0.0.1 local0 info
# log语法：log <address_1>[max_level_1] # 全局的日志配置，使用log关键字，指定使用127.0.0.1上的syslog服务中的local0日志设备，记录日志等级为info的日志
user haproxy
group haproxy
# 设置运行hapro...
Reading an Excel file in PHP [closed]
... to make it compatible with recent PHP 5 versions: pastebin.com/YNUZANcs All credits go to the original developers.
– Lars Gyrup Brink Nielsen
Sep 9 '13 at 13:32
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Java how to replace 2 or more spaces with single space in string and delete leading and trailing spa
...
Try this:
String after = before.trim().replaceAll(" +", " ");
See also
String.trim()
Returns a copy of the string, with leading and trailing whitespace omitted.
regular-expressions.info/Repetition
No trim() regex
It's also possible to do this with just one re...
How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on
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One can also use a spec_helper.rb file in all projects. The file should include the following:
RSpec.configure do |config|
# Use color in STDOUT
config.color = true
# Use color not only in STDOUT but also in pagers and files
config.tty = true
# Use the s...