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javascript check for not null
Below is a code snippet, where we retrieve a form value.
Before further processing check if the value is not null..
10 Answ...
Are nested span tags OK in XHTML?
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Yes it will. You can help yourself by using the w3's validator direct input option:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"&...
Spring Boot + JPA : Column name annotation ignored
...er-data-jpa . My entity class has a column annotation with a column name. For example:
11 Answers
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How to change file encoding in NetBeans?
...e encoding. The answer is that you can't do that in Netbeans.
If you are working in Netbeans you should consider to convert all files to a single encoding using other tools.
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How to normalize a path in PowerShell?
...xpanded path.
Since cd (Set-Location) doesn't change the process current working directory, simply passing a relative file name to a .NET API that doesn't understand PowerShell context, can have unintended side-effects, such as resolving to a path based off the initial working directory (not your c...
Android detect Done key press for OnScreen Keyboard
...e:
editText = (EditText) findViewById(R.id.edit_text);
editText.setOnEditorActionListener(new TextView.OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_DONE) {
// do your...
Update one MySQL table with values from another
I'm trying to update one MySQL table based on information from another.
2 Answers
2
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How do I save and restore multiple variables in python?
I need to save about a dozen objects to a file and then restore them later.
I've tried to use a for loop with pickle and shelve but it didn't work right.
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enum.values() - is an order of returned enums deterministic
...e:
@return an array containing the constants of this enum type, in the order they're declared [Source]
So, yes, they will be returned in declaration order. It's worth noting that the order might change over time if someone changes the class so be very careful about how you use this.
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.NET List Concat vs AddRange
...tight loop, it would be much better to use add range so not as to lose performance due to all the internal newing and pounding the GC?
– johnc
Sep 19 '08 at 7:22
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