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Why is a round-trip conversion via a string not safe for a double?
...ed it using .NET 4.5.1 (x64), running the following console app which uses my DoubleConverter class.DoubleConverter.ToExactString shows the exact value represented by a double:
using System;
class Test
{
static void Main()
{
double d1 = 0.84551240822557006;
string s = d1.To...
Why shouldn't I use mysql_* functions in PHP?
What are the technical reasons for why one shouldn't use mysql_* functions? (e.g. mysql_query() , mysql_connect() or mysql_real_escape_string() )?
...
Logical operators for boolean indexing in Pandas
...l(), a.item(), a.any() or a.all().
I did cover this more extensively in my answer to the "Truth value of a Series is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all()" Q+A.
NumPys logical functions
However NumPy provides element-wise operating equivalents to these operators as func...
demystify Flask app.secret_key
...rts.
# choose a salt, a secret string of bytes
>>> SECRET_KEY = 'my super secret key'.encode('utf8')
( 2 ) create a cookie
>>> cookie = make_cookie(
... name='_profile',
... content='uid=382|membership=regular',
... ...
... expires='July 1 2030...'
... )
>&...
Encrypt and decrypt a string in C#?
...key = hash.ComputeHash(UE.GetBytes(encrypt_password)); ps:sorry for my english :) slinti
– user593912
Jan 29 '11 at 16:19
19
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What is the best way to auto-generate INSERT statements for a SQL Server table?
...e writing a new application, and while testing, we will need a bunch of dummy data. I've added that data by using MS Access to dump excel files into the relevant tables.
...
Web colors in an Android color xml resource file
...rs_dialog.xml if you had a specific set of colors for dialogs in your app. My point was just that the name of the file is arbitrary.
– Justin
Oct 16 '14 at 18:34
1
...
Concurrent vs serial queues in GCD
...y show a different output but mine showed this. And it showed this because my concurrent queue's priority wasn't high enough for GCD to execute its task sooner. So if I keep everything the same but change the global queue's QoS (its quality of service, which is simply the queue's priority level) let...
MFC Grid control 2.27 - C/C++ - 清泛网 - 专注IT技能提升
...ded what was really needed was a dedicated grid control. I started writing my own grid control from scratch but decided to save time by modifying Joe Willcoxson's free WorldCom grid control at http://users.aol.com/chinajoe/wcmfclib.html. I tore apart his code and rebuilt it from the ground up in ord...
MFC Grid control 2.27 - C/C++ - 清泛网 - 专注IT技能提升
...ded what was really needed was a dedicated grid control. I started writing my own grid control from scratch but decided to save time by modifying Joe Willcoxson's free WorldCom grid control at http://users.aol.com/chinajoe/wcmfclib.html. I tore apart his code and rebuilt it from the ground up in ord...