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How to split a column into two columns?
...rst two parameters of .str.split() do,
I recommend the docs for the plain Python version of the method.
But how do you go from:
a column containing two-element lists
to:
two columns, each containing the respective element of the lists?
Well, we need to take a closer look at the .str attrib...
Is VB really case insensitive?
...you can think of VB.NET as case-insensitive apart from string-comparisons, XML, and a few other situations...
I think you're interested in what's under the hood. Well, the .NET Common Language Runtime is case-sensitive, and VB.NET code relies on the runtime, so you can see it must be case-sensitive...
How to make an alert dialog fill 90% of screen size?
...t even so I have android:layout_width/height="fill_parent" in the dialog xml it is only as big as the contents.
29 Answer...
What is the use of join() in Python threading?
I was studying the python threading and came across join() .
10 Answers
10
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How to suppress scientific notation when printing float values?
...%f' % (1/10**8)
will display zeros only.
details are in the docs
Or for Python 3 the equivalent old formatting or the newer style formatting
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PHP编译安装时常见错误解决办法，php编译常见错误 - 更多技术 - 清泛网 - ...
...代码如下:
yum -y install net-snmp-devel
checking whether to enable XMLWriter support… yes, shared checking for xml2-config path… (cached) /usr/bin/xml2-config checking whether libxml build works… (cached) yes checking for XSL support… yes, shared configure: error: xslt-config not fou...
Get Maven artifact version at runtime
...atic final String getVersion() {
// Try to get version number from pom.xml (available in Eclipse)
try {
String className = getClass().getName();
String classfileName = "/" + className.replace('.', '/') + ".class";
URL classfileResource = getClass().getResource(classfi...
Encoding as Base64 in Java
... can also convert using Base64 encoding. To do this, you can use the javax.xml.bind.DatatypeConverter#printBase64Binary method.
For example:
byte[] salt = new byte[] { 50, 111, 8, 53, 86, 35, -19, -47 };
System.out.println(DatatypeConverter.printBase64Binary(salt));
...
Android: why is there no maxHeight for a View?
...very clean solution. Makes me wonder why they didn't implement it into the xml.
– Christophe Smet
Jun 2 '14 at 6:03
1
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Is there an equivalent of 'which' on the Windows command line?
...) do @echo. %~$PATH:i
C:\WINDOWS\system32\cmd.exe
c:\> for %i in (python.exe) do @echo. %~$PATH:i
C:\Python25\python.exe
You don't need any extra tools and it's not limited to PATH since you can substitute any environment variable (in the path format, of course) that you wish to use....