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What are the differences between the BLOB and TEXT datatypes in MySQL?
...we use varchar to store a very long text instead of using blob or text ? because in memory calculating, varchar is really simple, for example create table website( website_name varchar(30) ) and then we fill the website_name "stackoverflow" so the memory needed is 13byte
– ne...
[A]System.Web.WebPages.Razor.Configuration.HostSection cannot be cast to… web.config issue
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Just adding my two cents to this issue.
I found that the cause of this error for me was that the Views folders web.config was referencing System.Web.WebPages.Razor, Version=2.0.0.0 when everything else was using 3.0.0.0
Seems the nuget-package upgrade didn't account for this fol...
Prevent wrapping of span or div
...uptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</span>
<span class="slide">Even more content!</span>
</div>
Note that you can omit .slideConta...
How to get VM arguments from inside of Java application?
I need to check if some option that can be passed to JVM is explicitly set or has its default value.
5 Answers
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Effect of a Bitwise Operator on a Boolean in Java
...s are supposed to travel variables and operate on them bit by bit. In the case of integers, longs, chars this makes sense. These variables can contain the full range of values enforced by their size.
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Extract substring using regexp in plain bash
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Using pure bash :
$ cat file.txt
US/Central - 10:26 PM (CST)
$ while read a b time x; do [[ $b == - ]] && echo $time; done < file.txt
another solution with bash regex :
$ [[ "US/Central - 10:26 PM (CST)" =~ -[[:space:]]*([0-9]{2}:[...
Grepping a huge file (80GB) any way to speed it up?
...ise not overloaded.
Any alternative to grep? Anything about my syntax that can be improved, (egrep,fgrep better?)
5 Answer...
How to change field name in Django REST Framework
...me in DRF Serializer like alias in SQL. I have tried different methods but cannot succeed.
3 Answers
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.NET 4.0 build issues on CI server
Anybody manage to get .NET 4.0 applications compiling on a CI server without installing Visual Studio 2010 on a CI server?
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Yes/No message box using QMessageBox
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You would use QMessageBox::question for that.
Example in a hypothetical widget's slot:
#include <QApplication>
#include <QMessageBox>
#include <QDebug>
// ...
void MyWidget::someSlot() {
QMessageBox::StandardButton reply;
reply = QMessageBox::question(this, "Test", "Q...