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How to automatically select all text on focus in WPF TextBox?
... (parent != null && !(parent is TextBox))
parent = VisualTreeHelper.GetParent(parent);
if (parent != null)
{
var textBox = (TextBox)parent;
if (!textBox.IsKeyboardFocusWithin)
{
// If the text box is not yet foc...
How can I add timestamp to logs using Node.js library Winston?
...m any file I do var logger = require('./logger.js') and can then do logger.info('hello') from any file and get the same configuration of Winston.
– JHH
May 28 '15 at 8:58
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How do I detect the Python version at runtime? [duplicate]
...
Sure, take a look at sys.version and sys.version_info.
For example, to check that you are running Python 3.x, use
import sys
if sys.version_info[0] < 3:
raise Exception("Must be using Python 3")
Here, sys.version_info[0] is the major version number. sys.version_i...
Close and Dispose - which to call?
...eflector, Dispose() calls Close() as well as doing a few additional memory-freeing operations -- mostly by setting members equal to null.
For Stream, they actually are equivalent. Stream.Dispose() simply calls Close().
sha...
PHP Fatal error: Call to undefined function json_decode()
...he Software shall be used for Good, not Evil.
This causes a problem with Free Software Foundation's definition of free software which states:
The freedom to run the program, for any purpose (freedom 0).
FSF goes on to specifically list the JSON license as nonfree.
Yes it seems a bit silly. ...
Does “untyped” also mean “dynamically typed” in the academic CS world?
...: when it comes to programming languages, and especially type systems, the information on Wikipedia is of poor quality. Don't trust it.
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How get integer value from a enum in Rails?
... the integer values for an enum from the class the enum is on:
Model.sale_infos # Pluralized version of the enum attribute name
That returns a hash like:
{ "plan_1" => 1, "plan_2" => 2 ... }
You can then use the sale_info value from an instance of the Model class to access the integer va...
Does pandas iterrows have performance issues?
...h():
ret = []
grouped = table2.groupby('letter', sort=False)
t2info = table2.to_records()
for index, letter, n1 in table1.to_records():
t2 = t2info[grouped.groups[letter].values]
# np.multiply is in general faster than "x * y"
maxrow = np.multiply(t2.number2, ...
How to get IntPtr from byte[] in C#
...(bytes, 0, unmanagedPointer, bytes.Length);
// Call unmanaged code
Marshal.FreeHGlobal(unmanagedPointer);
Alternatively you could declare a struct with one property and then use Marshal.PtrToStructure, but that would still require allocating unmanaged memory.
Edit: Also, as Tyalis pointed out, yo...
Test iOS app on device without apple developer program or jailbreak
...d. From Apple's developer documentation:
Launch Your App on Devices Using Free Provisioning (iOS, watchOS)
If you don’t join the Apple Developer Program, you can still build and run your app on your devices using free provisioning. However, the capabilities available to your app, described in Add...