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jQuery: checking if the value of a field is null (empty)
... be null, it's always a string value. this isn't entirely true. I've got a select containing no options. When I perform .val() on this it returns null. Jquery 1.7.2
– Liam
Jan 14 '13 at 11:07
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Can multiple different HTML elements have the same ID if they're different elements?
...into problems being able to work with these elements from JS, pass them as selectors to libraries/APIs/Flash, etc.
– mrooney
May 13 '13 at 20:55
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Build project into a JAR automatically in Eclipse
...con on build.xml.
Step 2
Right-click on the root node in the project.
- Select Properties
- Select Builders
- Select New
- Select Ant Build
- In the Main tab, complete the path to the build.xml file in the bin folder.
Check the Output
The Eclipse output window (named Console) should show...
List tables in a PostgreSQL schema
...
You can select the tables from information_schema
SELECT * FROM information_schema.tables
WHERE table_schema = 'public'
share
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A CSS selector to get last visible div
A tricky CSS selector question, don't know if it's even possible.
10 Answers
10
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When to use single quotes, double quotes, and backticks in MySQL
...ng query will produce different results (or errors) depending on SQL mode:
SELECT "column" FROM table WHERE foo = "bar"
ANSI_QUOTES disabled
The query will select the string literal "column" where column foo is equal to string "bar"
ANSI_QUOTES enabled
The query will select the column column where ...
How to remove “Server name” items from history of SQL Server Management Studio
... @JoeBrockhaus Works with 11.0.5058.0. Just open the drop down, move the selection over the name you want deleted, and press the Delete key. If you have multiple entries you can select the entry so the ComboBox closes, check that it is the one you want, then hit the open button on the ComboBox and...
IntelliJ show JavaDocs tooltip on mouse over
...her (section) > Show quick documentation on mouse move - delay 500 ms
Select this check box to show quick documentation for the symbol at caret. The quick documentation pop-up window appears after the specified delay.
In Editor > General > Code Completion (sub-item) > Autopopup docume...
How to exclude certain messages by TAG name using Android adb logcat?
... manpage:
v, --invert-match
Invert the sense of matching, to select non-matching lines.
For example:
$adb logcat | grep --invert-match 'notshownmatchpattern'
You can extend this by using regular expressions.
Here is an example of such an expression:
"/^(?:emails|tags|addresses...
How do I edit an incorrect commit message with TortoiseGit?
...to reset, amend and cherry-pick
Context menu -> TortoiseGit -> Log
Select the commit -> Context menu -> Reset
Hard Reset (this will discard all work contained in commits above the selected commit as well as any un-committed changes in the working directory)
OK
Follow above 1-4 steps to...