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Jinja2 template variable if None Object set a default value
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edited May 14 '16 at 19:26
simanacci
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Retrieving Property name from lambda expression
...Here's a method that'll return the PropertyInfo object for the expression. It throws an exception if the expression is not a property.
public PropertyInfo GetPropertyInfo<TSource, TProperty>(
TSource source,
Expression<Func<TSource, TProperty>> propertyLambda)
{
Type t...
Convert special characters to HTML in Javascript
...ans "global". Simply put, all occurrences of the string will be replaced. Without /g only the first match would be replaced.
– Kevin G.
Jul 21 '16 at 11:42
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Using sed and grep/egrep to search and replace
....gif etc. This works well, now I would like to replace all strings found with .bmp
6 Answers
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Prompt for user input in PowerShell
...posted in @Christian's comment, you can find out the return type by piping it to Get-Member (for example, $results | gm). The result is a Dictionary where the key is the name of a FieldDescription object used in the prompt. To access the result for the first prompt in the linked example you would ty...
How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops
...ude in your workbook.
Click "OK"
Step 2: Define your pattern
Basic definitions:
- Range.
E.g. a-z matches an lower case letters from a to z
E.g. 0-5 matches any number from 0 to 5
[] Match exactly one of the objects inside these brackets.
E.g. [a] matches the letter a
E.g. [abc] matches...
Rebuild or regenerate 'ic_launcher.png' from images in Android Studio
...you point
to some external .PNG file, and then when that dialog completes,
it generates 4 different pixel-sizes of images for use as
a launcher-icon.
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How can I submit a form using JavaScript?
I have a form with id theForm which has the following div with a submit button inside:
10 Answers
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Manipulating an Access database from Java without ODBC
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UCanAccess is a pure Java JDBC driver that allows us to read from and write to Access databases without using ODBC. It uses two other packages, Jackcess and HSQLDB, to perform these tasks. The following is a brief overview of how to get it set up.
Option 1: Using Maven
If your project uses ...
When to use os.name, sys.platform, or platform.system?
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Dived a bit into the source code.
The output of sys.platform and os.name are determined at compile time. platform.system() determines the system type at run time.
sys.platform is specified as a compiler define during the build conf...