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How to iterate through a DataTable
... object model.
DataTable -> DataRowCollection -> DataRow (which one can use & look for column contents for that row, either using columnName or ordinal).
-> = contains.
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MySQL Query - Records between Today and Last 30 Days
...atabase within the last 30 days. I need to convert the date to mm/dd/yy because of display purposes.
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Retrieve only static fields declared in Java class
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You can do it like this:
Field[] declaredFields = Test.class.getDeclaredFields();
List<Field> staticFields = new ArrayList<Field>();
for (Field field : declaredFields) {
if (java.lang.reflect.Modifier.isStatic(fi...
Why java.io.File doesn't have a close() method?
...() method java.io.File doesn't. Why is that? Is the file closed automatically on finalization or something?
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jQuery hide element while preserving its space in page layout
Is there a way in jQuery where I can hide an element, but not change the DOM when it's hidden? I'm hiding a certain element but when it's hidden, the elements below it move up. I don't want that to happen. I want the space to stay the same, but the element to be shown/hidden at will.
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JavaScript - cannot set property of undefined
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you never set d[a] to any value.
Because of this, d[a] evaluates to undefined, and you can't set properties on undefined.
If you add d[a] = {} right after d = {} things should work as expected.
Alternatively, you could use an object initializer:
d[a] = {
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Grep regex NOT containing string
...dle of a loop as I mentioned and I'm just passing the PATTERN to grep so I can't use "-v" as I mentioned. I'm just looping round a list of PATTERNs and passing to grep.
– jwbensley
May 2 '12 at 10:21
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ZSH complains about RVM __rvm_cleanse_variables: function definition file not found
...unning the following solved the problem:
rm ~/.zcompdump*
Note: The * is incase there are multiple .zcompdump files.
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SQL Server Management Studio won't let me add an index to a table
...ed out. I don't understand why. I've deleted all data in the table just in case, and refreshed and restarted SSMS, but no luck. I'm using SQL Server 2012 Business Intelligence SP1 CTP.
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How to restart a rails server on Heroku?
Locally I just interrupt (ctrl-c) and then start it again.
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