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Disabled UIButton not faded or grey
...ou can use following code:
sendButton.enabled = YES;
sendButton.alpha = 1.0;
or
sendButton.enabled = NO;
sendButton.alpha = 0.5;
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Should I use Vagrant or Docker for creating an isolated environment? [closed]
I use Ubuntu for development and deployment and have a need for creating an isolated environment.
10 Answers
...
MongoDB数据导出导入工具：mongoexport,mongoimport - 大数据 & AI - 清泛...
...records
[root@localhost mongodb]# cat students_csv.dat
classid,name,age
1.0,"kobe",20.0
1.0,"nash",23.0
2.0,"james",18.0
2.0,"wade",19.0
2.0,"bosh",19.0
2.0,"allen",25.0
1.0,"howard",19.0
1.0,"paul",22.0
2.0,"shane",24.0
参数说明：
-csv：指明要导出为csv格式
-f：指明需...
Access-Control-Allow-Origin Multiple Origin Domains?
...low-Origin: " . $http_origin); to make it work
– François Romain
Mar 13 '15 at 22:47
2
This code...
How can I get a list of locally installed Python modules?
... pip.get_installed_distributions()])
Giving:
['behave==1.2.4', 'enum34==1.0', 'flask==0.10.1', 'itsdangerous==0.24',
'jinja2==2.7.2', 'jsonschema==2.3.0', 'markupsafe==0.23', 'nose==1.3.3',
'parse-type==0.3.4', 'parse==1.6.4', 'prettytable==0.7.2', 'requests==2.3.0',
'six==1.6.1', 'vioozer-m...
Create a tag in a GitHub repository
... just run the following simple commands on your terminal.
$ git tag -a v2.1.0 -m "xyz feature is released in this tag."
$ git tag
v1.0.0
v2.0.0
v2.1.0
The -m denotes message for that particular tag. We can write summary of features which is going to tag here.
Lightweight Tags:
The other way to ...
Show a number to two decimal places
...represent the number). So round(1,2) (or any level or precision) returns '1.0', because '1.00' would not be a valid float. To make numbers behave like strings, you need to use string manipulation functions. (Previous versions of PHP may have acted differently/less logically)
–...
How can I quantify difference between two images?
...er pixel:", n_m/img1.size
print "Zero norm:", n_0, "/ per pixel:", n_0*1.0/img1.size
How to compare. img1 and img2 are 2D SciPy arrays here:
def compare_images(img1, img2):
# normalize to compensate for exposure difference, this may be unnecessary
# consider disabling it
img1 = no...
App.Config Transformation for projects which are not Web Projects in Visual Studio?
...rm is a .NET plugin, so you can make
your own.
<?xml version="1.0" ?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:template match="@*|node()">
<xsl:copy>
<xsl:apply-templates select="@*|node()"/>
</...
Can a java file have more than one class?
...
It's in there for 1.0 compatibility (before nested classes). It is a big mistake in the language. The biggest advantage for using it is that IDEs have hopeless file handling.
– Tom Hawtin - tackline
Jun 9...