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Using an RDBMS as event sourcing storage
... CorrelationId and CausationId. Used to figure out what caused events, and string them together if need be.
– Daniel Park
Feb 20 at 23:22
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Curious null-coalescing operator custom implicit conversion behaviour
...lable types; I've tried various permutations with one of the sides being a string, and none of them caused this behaviour.
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Reference assignment operator in PHP, =&
...ion 6.2:
All binary arithmetic, comparison, assignment, bitwise, logical, string, and type operators MUST be preceded and followed by at least one space
By this rule, there should always be a space after the = operator -- this makes =& a violation.
Furthermore, there are other rules that state...
File content into unix variable with newlines
..., it's actually the echo doing this. You need simply put quotes around the string to maintain those newlines:
echo "$testvar"
This wil give the result you want. See the following transcript for a demo:
pax> cat num1.txt ; x=$(cat num1.txt)
line 1
line 2
pax> echo $x ; echo '===' ; echo "$...
What is the difference between \r and \n?
...ird HTML artifact, or if it has to do with the way that Python ingests the string from my request object.
– Pat Jones
Nov 23 '19 at 0:24
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What is the difference between Class and Klass in ruby?
...or defining classes while the latter is just an identifier (like any other string of characters). It's used when you would like to write the word "class" but can't because it's a reserved keyword.
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ASP.NET “special” tags
...erties through the server tag attributes. Used with AppSettings, ConnectionStrings, or Resources (or your own custom extension, for example to use code-behind properties). These assignments are added to the OnInit() method of the generated class.
<%-- --%> is a Server-Side Comment. Used to exc...
How to properly check if std::function is empty in C++11?
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Your result strings are swapped.
– Sophit
Nov 21 '19 at 21:19
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Change Activity's theme programmatically
...ences pref = PreferenceManager
.getDefaultSharedPreferences(this);
String themeName = pref.getString("prefSyncFrequency3", "Theme1");
if (themeName.equals("Africa")) {
setTheme(R.style.AppTheme);
} else if (themeName.equals("Colorful Beach")) {
//Toast.makeText(this, "set theme", ...
Apply CSS style attribute dynamically in Angular JS
... attribute, and conditional/scope styles into an ng-style attribute. Also, string keys are not necessary. For hyphen-delimited CSS keys, use camelcase.
<div ng-style="{backgroundColor: data.backgroundCol}" style="width:20px; height:20px; margin-top:10px; border:solid 1px black;"></div>...