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Filter rows which contain a certain string
...filter a data frame using as criterion those row in which is contained the string RTB .
4 Answers
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Conditional HTML Attributes using Razor MVC3
... For example:
<button type="button" @(true ? "style=\"border:0px\"" : string.Empty)>
This should evaluate to <button type="button" style="border:0px"> but Razor escapes all output from C# and thus produces:
style=&quot;border:0px&quot;
You will only see this if you view th...
Objective-C ARC: strong vs retain and weak vs assign
..." include an implicit "retain"
Example:
@property (nonatomic, retain) NSString *name;
@synthesize name;
4.assign
assign is the default and simply performs a variable assignment
assign is a property attribute that tells the compiler how to synthesize the property's setter implementation
I wo...
What is the significance of 1/1/1753 in SQL Server?
... valid (because the Julian leap-year
rule applies). Why did Oracle go to extra trouble when the SQL
Standard doesn't seem to require it? The answer is that users might
require it. Historians and astronomers use this hybrid system instead
of a proleptic Gregorian calendar. (This is also the d...
Algorithm to generate a crossword
...ithout intervention but you'd still get maybe a fifth requiring one or two extra words added. And we're talking about thousands of words in the file. No doubt backtracking could have helped but it was easier just for the client to reject one with (e.g.) 5 unfinished words than worry about trying to ...
AJAX POST and Plus Sign ( + ) — How to Encode?
...at have already been decoded.
Example:
In your JS:
// url encode your string
var string = encodeURIComponent('+'); // "%2B"
// send it to your server
window.location = 'http://example.com/?string='+string; // http://example.com/?string=%2B
On your server:
echo $_GET['string']; // "+"
It is...
How do I read / convert an InputStream into a String in Java?
....io.InputStream object, how should you process that object and produce a String ?
59 Answers
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Django dynamic model fields
... to end up storing thousands of items in one field. It also only supports strings for values.
#app/models.py
from django.contrib.postgres.fields import HStoreField
class Something(models.Model):
name = models.CharField(max_length=32)
data = models.HStoreField(db_index=True)
In Django's s...
What ReSharper 4+ live templates for C# do you use? [closed]
...
Check if a string is null or empty.
If you're using .Net 4 you may prefer to use string.IsNullOrWhiteSpace().
Shortcut: sne
Available in: C# 2.0+ where expression is allowed.
string.IsNullOrEmpty($VAR$)
Macro properties:
VAR - suggest...
How to code a BAT file to always run as admin mode?
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What I Exactly searching for ! no extra changes or extra file required!
– MSS
Jun 15 '19 at 5:12
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