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You have already activated X, but your Gemfile requires Y
...
Using bundle exec is the right way to do this.
Basically what's happening is that you've updated rake to 0.9.2 which now conflicts with the version specified in your Gemfile. Previously the latest version of rake you had matched the version in your Gemfile, so you didn't get any warning wh...
How to change height of grouped UITableView header?
... Advise: Dont use this value on estimatedHeightForHeaderInSection, the app will crash.
– Pedro Paulo Amorim
Sep 8 '17 at 9:22
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show 4 m...
Checking for a null int value from a Java ResultSet
...the field value is NULL, I suggest:
int iVal = 0;
ResultSet rs = magicallyAppearingStmt.executeQuery(query);
if (rs.next()) {
iVal = rs.getInt("ID_PARENT");
if (rs.wasNull()) {
// handle NULL field value
}
}
(Edited as @martin comments below; the OP code as written would not c...
Where can I find WcfTestClient.exe (part of Visual Studio)
...ent is missing, install it by modifying Visual Studio:
Control Panel > Apps & Features > Visual Studio (your version)
In Visual Studio Installer, click on Modify, choose Individual components tab and then select (see below screenshot):
☑ Windows Communication Foundation
Click on ...
SVN: Folder already under version control but not comitting?
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uncheck the parent folder (apps/autocomplete) from the list if already commited
– khaled_webdev
Oct 31 '14 at 8:29
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How to check if APK is signed or “debug build”?
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There are different way to check if the application is build using debug or release certificate, but the following way seems best to me.
According to the info in Android documentation Signing Your Application, debug key contain following subject distinguished nam...
Getting Checkbox Value in ASP.NET MVC 4
I'm working on an ASP.NET MVC 4 app. This app has a basic form. The model for my form looks like the following:
18 Answers
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Type or namespace name does not exist [closed]
...r, and selecting properties. Target Framework should be visible in default Application tab.
– Cookie
Jan 2 '12 at 6:26
4
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iPhone: Setting Navigation Bar Title
... the title of a navBar inside a tabBar controller, do this:
-(void)viewDidAppear:(BOOL)animated {
self.navigationController.navigationBar.topItem.title = @"myTitle";
}
share
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What exactly is a Context in Java? [duplicate]
...terface/class, e.g. Servlet's ServletContext, JSF's FacesContext, Spring's ApplicationContext, Android's Context, JNDI's InitialContext, etc. They all often follow the Facade Pattern which abstracts the environmental details the enduser doesn't need to know about away in a single interface/class.
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