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Filter dataframe rows if value in column is in a set list of values [duplicate]
... regular expressions.
For example, if we want to return a DataFrame where all of the stock IDs which begin with '600' and then are followed by any three digits:
>>> rpt[rpt['STK_ID'].str.contains(r'^600[0-9]{3}$')] # ^ means start of string
... STK_ID ... ...
Android, How to limit width of TextView (and add three dots at the end of text)?
...t the three dots).
android:maxLines="1"
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:maxLines="1"
android:text="one two three four five six seven eight nine ten" />
This just forces the text to one line. Any extra text is hidd...
How many threads can a Java VM support?
...ts.
There are several parameters here. The specific VM, plus there are usually run-time parameters on the VM as well. That's somewhat driven by the operating system: what support does the underlying OS have for threads and what limitations does it put on them? If the VM actually uses OS-level thr...
I can't install python-ldap
...n order to compile the Python module. If you're on Ubuntu, the package is called libldap2-dev.
Debian/Ubuntu:
sudo apt-get install libsasl2-dev python-dev libldap2-dev libssl-dev
RedHat/CentOS:
sudo yum install python-devel openldap-devel
...
Adding gif image in an ImageView in android
...imationActivity: -
public class AnimationActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
InputStream stream = null;
try {
stream = getAssets().open("pig...
Modulo operation with negative numbers
...
C99 requires that when a/b is representable:
(a/b) * b + a%b shall equal a
This makes sense, logically. Right?
Let's see what this leads to:
Example A. 5/(-3) is -1
=> (-1) * (-3) + 5%(-3) = 5
This can only happen if 5%(-3) is 2.
Example B. (-5)/3 is -1
=> (-1) * 3 + (-5...
how to show lines in common (reverse diff)?
...ile2, and they have both overlapping and non-overlapping rows. If you want all and only the non-overlapping rows, using fgrep -v file1 file2 will only return the non-overlapping rows in file2, and none of the additional non-overlapping rows in file1. This may be obvious to some, but better to state ...
How do I create a new Swift project without using Storyboards?
Creating a new project in XCode 6 doesn't allow to disable Storyboards. You can only select Swift or Objective-C and to use or not Core Data.
...
File uploading with Express 4.0: req.files undefined
... this:
{ file:
{ fieldName: 'file',
originalFilename: '360px-Cute_Monkey_cropped.jpg',
name: '360px-Cute_Monkey_cropped.jpg'
path: 'uploads/6323-16v7rc.jpg',
type: 'image/jpeg',
headers:
{ 'content-disposition': 'form-data; name="file"; filename="360px-Cute_Monke...
Passing a string with spaces as a function argument in bash
...
This works very well for me also. If we are calling another function inside myFunction then pass arguments with quotes. Cheers :)
– minhas23
May 8 '14 at 11:04
...