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Detect application heap size in Android
... to 32:
maxMemory: 33554432
getMemoryClass: 32
With VM Heap Size set to 64:
maxMemory: 67108864
getMemoryClass: 32
In addition to the above, I tested on a Novo7 Paladin tablet running Ice Cream Sandwich.
This was essentially a stock version of ICS, except that I've rooted the tablet through...
How do I make a textbox that only accepts numbers?
...
protected override void OnKeyPress(KeyPressEventArgs e)
{
base.OnKeyPress(e);
NumberFormatInfo fi = CultureInfo.CurrentCulture.NumberFormat;
string c = e.KeyChar.ToString();
if (char.IsDigit(c, 0))
return;
if ((SelectionStart == 0) &...
dropping infinite values from dataframes in pandas?
...
Use (fast and simple):
df = df[np.isfinite(df).all(1)]
This answer is based on DougR's answer in an other question.
Here an example code:
import pandas as pd
import numpy as np
df=pd.DataFrame([1,2,3,np.nan,4,np.inf,5,-np.inf,6])
print('Input:\n',df,sep='')
df = df[np.isfinite(df).all(1)]
prin...
What is the MySQL VARCHAR max size?
...
As per the online docs, there is a 64K row limit and you can work out the row size by using:
row length = 1
+ (sum of column lengths)
+ (number of NULL columns + delete_flag + 7)/8
+ (number of variable-length columns)
...
Storing SHA1 hash values in MySQL
...ch occured when I wanted to store the result of a SHA1 hash in a MySQL database:
7 Answers
...
Is it possible to have multiple statements in a python lambda expression?
...58, 7, 99, 17, 14, 60, 35, 12, 56, 26, 48, 55, 40, 28, 52, 31, 39, 43, 96, 64, 63, 54, 37, 79, 25, 46, 72, 10, 59, 24, 68, 23, 13, 34, 41, 94, 29, 62, 2, 50, 32, 11, 97, 98, 3, 70, 93, 1, 36, 87, 47, 20, 73, 45, 0, 65, 57, 6, 76, 16, 85, 95, 61, 4, 77, 21, 81, 82, 30, 53, 51, 42, 67, 74, 8, 15, 83, ...
Groovy / grails how to determine a data type?
...
instanceof is great for filtering based on interface.
– cdeszaq
Mar 12 '13 at 13:15
...
Android emulator and virtualbox cannot run at same time
...run with CPU/ABI x86/x86_64 is a lot faster, but uses the same KVM (Kernel-based Virtual Machine) as VitualBox. Creating an emulator with another CPU, like arm64, will not conflict with VirtualBox, but emulator is a lot slower.
– jayeffkay
Jan 18 '17 at 13:24
...
How to make Eclipse behave well in the Windows 7 taskbar?
... At first neither option was working for me (Eclipse 4.2 32 bit, Windows 7 64 bit, JDK 1.6 32 bit). Then I tried the following: 1. Right click on eclipse.exe -> Properties -> Compatibility, enable compatibility mode with Windows XP Service Pack 3. 2. Run Eclipse. 3. Wait until the workspace i...
Pandas - Get first row value of a given column
...ecommended) and df_test.iloc[0]['Btime']:
DataFrames store data in column-based blocks (where each block has a single
dtype). If you select by column first, a view can be returned (which is
quicker than returning a copy) and the original dtype is preserved. In contrast,
if you select by row first, ...