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Remove duplicate rows in MySQL
... is to add a UNIQUE index on the 3 columns. When you write the ALTER statement, include the IGNORE keyword. Like so:
ALTER IGNORE TABLE jobs
ADD UNIQUE INDEX idx_name (site_id, title, company);
This will drop all the duplicate rows. As an added benefit, future INSERTs that are duplicates will ...
jQuery - checkbox enable/disable
I have a bunch of checkboxes like this. If the "Check Me" checkbox is checked, all the other 3 checkboxes should be enabled, else they should be disabled. How can I do this using jQuery?
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C# “internal” access modifier when doing unit testing
... that we don't want to declare public from the testing project. This makes me think that I should just always use internal because at least each project (should?) have its own testing project. Can you guys tell me why I shouldn't do this? When should I use private ?
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scp (secure copy) to ec2 instance without password
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I figured it out. I had the arguments in the wrong order. This works:
scp -i mykey.pem somefile.txt root@my.ec2.id.amazonaws.com:/
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Duplicate ID, tag null, or parent id with another fragment for com.google.android.gms.maps.MapFragme
...esirable.
After lots of trial and error, I found a solution that works for me:
private static View view;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (view != null) {
ViewGroup parent = (ViewGroup) view.getParent();
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Rails select helper - Default selected value, how?
...e is the KEY: LOOK at your function (options_for_select() vs f.select. Remember these are different functions.
– FlyingV
Jan 29 '16 at 18:17
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Visual Studio 2010 annoyingly opens documents in wrong MDI pane
Visual Studio's MDI is currently causing me a lot of frustration. Here is my basic layout:
5 Answers
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Can you detect “dragging” in jQuery?
... answered Nov 9 '10 at 23:39
Simen EchholtSimen Echholt
10.9k22 gold badges3131 silver badges2626 bronze badges
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.gitignore and “The following untracked working tree files would be overwritten by checkout”
...ny effect on your working copy and it will just mark as removed the next time you commit. After the files are removed from the repo then the .gitignore will prevent them from being added again.
But you have another problem with your .gitignore, you are excessively using wildcards and its causing it...
Unable to locate tools.jar
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Yes, you've downloaded and installed the Java Runtime Environment (JRE) instead of the Java Development Kit (JDK). The latter has the tools.jar, java.exe, javac.exe, etc.
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