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Rails: Adding an index after adding column
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you mean something like this : def self.up add_column ... end add_index ... ?
– user1611830
Apr 8 '13 at 14:34
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R memory management / cannot allocate vector of size n Mb
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What do you mean by "only create the object you need in one session"?
– Benjamin
Mar 3 '11 at 0:49
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Maven: Non-resolvable parent POM
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Non-resolvable parent POM:
This means you cannot resolve the parent repo.
Trun on debug mode:
[DEBUG] Reading global settings from **/usr/local/Cellar/maven/3.5.4/libexec/conf/settings.xml**
[DEBUG] **Reading user settings from /Users/username/.m2/settin...
Remove items from one list in another
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"elegant" should mean "the developer stuck maintaining this code will find it simple and easy to understand," which is why this is the best answer.
– Seth
Sep 8 '16 at 3:16
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MySQL stored procedure vs function, which would I use when?
...cedure parameters can be defined as input-only, output-only, or both. This means that a procedure can pass values back to the caller by using output parameters. These values can be accessed in statements that follow the CALL statement. Functions have only input parameters. As a result, although both...
AngularJS Multiple ng-app within a page
...eed to get a reference to the HTML element in order to bootstrap it, which means your code is now coupled to your HTML.
Secondly the association between the two is not as apparent. With ngApp you can clearly see what HTML is associated with what module and you know where to look for that informatio...
How to use the toString method in Java?
...cause the Swing developers use (read; abuse) the toString function doesn't mean you should too.
– Toby Caulk
Jul 12 '17 at 18:42
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How to remove padding around buttons in Android?
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android:text="@string/back" />
It will make that space vanish. I mean you can choose the appropriate dip value, which makes it go away. It worked for me. Hope it works for you.
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imp...
What are the git concepts of HEAD, master, origin?
...our current branch, but that doesn't have to be the case. HEAD really just means "what is my repo currently pointing at".
In the event that the commit HEAD refers to is not the tip of any branch, this is called a "detached head".
master: the name of the default branch that git creates for you when...
right click context menu for datagridview
...ustomised for the current row.
Here's a quick and dirty example of what I mean...
private void dataGridView1_MouseClick(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Right)
{
ContextMenu m = new ContextMenu();
m.MenuItems.Add(new MenuItem("Cut"));
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