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Declaration/definition of variables locations in ObjectiveC?
...#import "Cow.h"
#import <Foundation/Foundation.h>
int main(int argc, char *argv[]) {
@autoreleasepool {
Cow *cow = [Cow new];
[cow performSelector:@selector(blindAccess)];
}
}
This prints
iMadeVisible
iMadeVisible2
iMadeVisible3
Note that I was able to access the...
Javascript: How to loop through ALL DOM elements on a page?
... // Do something with the element here
}
Note that you could use querySelectorAll(), if it's available (IE9+, CSS in IE8), to just find elements with a particular class.
if (document.querySelectorAll)
var clsElements = document.querySelectorAll(".mySpeshalClass");
else
// loop through a...
Entity Framework: There is already an open DataReader associated with this Command
...al commands executed on single connection (or single command with multiple selects) while next DataReader is executed before first one has completed the reading. The only way to avoid the exception is to allow multiple nested DataReaders = turn on MultipleActiveResultSets. Another scenario when this...
How do I delete multiple rows in Entity Framework (without foreach)
...Expression<Func<T, bool>> filter) where T : class
{
string selectSql = db.Set<T>().Where(filter).ToString();
string fromWhere = selectSql.Substring(selectSql.IndexOf("FROM"));
string deleteSql = "DELETE [Extent1] " + fromWhere;
db.Database.ExecuteSqlCommand(deleteSq...
How to write “Html.BeginForm” in Razor
...data" }))
{
@Html.ValidationSummary(true)
<fieldset>
Select a file <input type="file" name="file" />
<input type="submit" value="Upload" />
</fieldset>
}
and generates as expected:
<form action="/Upload/Upload" enctype="multipart/form-data" m...
Tricks to manage the available memory in an R session
...
I make aggressive use of the subset parameter with selection of only the required variables when passing dataframes to the data= argument of regression functions. It does result in some errors if I forget to add variables to both the formula and the select= vector, but it sti...
android studio 0.4.2: Gradle project sync failed error
...butions/gradle-1.9-all.zip
After open your project in Android Studio and select the build.gradle file in the /src directory and edit it to this :
dependencies {
classpath 'com.android.tools.build:gradle:0.7.+'
}
After fixing it like this I discovered this article :
http://tools.andr...
How to edit incorrect commit message in Mercurial? [duplicate]
...-amend option.
and in tortoiseHg, you can use "Amend current revision" by select black arrow on the right of commit button
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What are the best practices for using Assembly Attributes?
...]
You can add the GlobalAssemblyInfo.cs using the following procedure:
Select Add/Existing Item... in the context menu of the project
Select GlobalAssemblyInfo.cs
Expand the Add-Button by clicking on that little down-arrow on the right hand
Select "Add As Link" in the buttons drop down list
...
Can't start hostednetwork
...ame "Microsoft Hosted Network Virtual Adapter" and then right click on it.
Select Enable
This will enable the AdHoc created connection, it should appear in the network connections in Network and Sharing Center, if the AdHoc network connection is not appear then open elevated command prompt and apply...