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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...
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 ...
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()"/>
</...
How to convert 2D float numpy array to 2D int numpy array?
...
Use the astype method.
>>> x = np.array([[1.0, 2.3], [1.3, 2.9]])
>>> x
array([[ 1. , 2.3],
[ 1.3, 2.9]])
>>> x.astype(int)
array([[1, 2],
[1, 2]])
share
...
Text blinking jQuery
... can be achieved with CSS3
@-webkit-keyframes blink {
from { opacity: 1.0; }
to { opacity: 0.0; }
}
blink {
-webkit-animation-name: blink;
-webkit-animation-iteration-count: infinite;
-webkit-animation-timing-function: cubic-bezier(1.0,0,0,1.0);
-webkit-animation-duration: 1s;
}...
Fragment Inside Fragment
...ameLayout to your activity to hold the parent fragment.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layou...
Can an Android Toast be longer than Toast.LENGTH_LONG?
...TYPE_TOAST;
params.setTitle("ToastHelper");
params.alpha = 1.0f;
// params.buttonBrightness = 1.0f;
params.packageName = context.getPackageName();
params.windowAnimations = android.R.style.Animation_Toast;
}
@SuppressWarnings("deprecation")
@andro...
Android: allow portrait and landscape for tablets, but force portrait on phone?
...ols.xml or whatever (file names don't matter here):
<?xml version="1.0" encoding="utf-8"?>
<resources>
<bool name="portrait_only">true</bool>
</resources>
Put this one in res/values-sw600dp and res/values-xlarge:
<?xml version="1.0" encodi...
How to make layout with rounded corners..?
...
1: Define layout_bg.xml in drawables:
<?xml version="1.0" encoding="UTF-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="#FFFFFF"/>
<stroke android:width="3dp" android:color="#B1BCBE" />
<corners a...