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Count the number of occurrences of a string in a VARCHAR field?
...rough text that also has words with capitalized letters (like German where all nouns are written with capitalized letter). The REPLACE only replaces exact matches. To consider all words you need to change the replace above to: LENGTH( REPLACE ( LOWER(description), "value", "") ) and make sure that "...
What is a “static” function in C?
...n. For (C++/Java/...) class methods, static means that this method can be called on the class itself, no instance of that class necessary.
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Checking for a null int value from a Java ResultSet
... declaration. In which case your test is completely redundant.
If you actually want to do something different if the field value is NULL, I suggest:
int iVal = 0;
ResultSet rs = magicallyAppearingStmt.executeQuery(query);
if (rs.next()) {
iVal = rs.getInt("ID_PARENT");
if (rs.wasNull()) {
...
Set environment variables from file of key/value pairs
... You have a more clean solution, I have a preference for set -o allexport
– heralight
Oct 28 '18 at 9:51
2
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How do I export a project in the Android studio?
...gable attribute from the manifest. If you do, then the tools will automatically insert android:debuggable=true when building an APK to debug on an emulator or device. And when you perform a release build, such as Exporting APK, it will automatically set it to false. If on the other hand you specify ...
Convert String to SecureString
...
All I see is *****
– Ian Boyd
Nov 21 '17 at 19:48
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When and why would you seal a class?
... features, so that the original object cannot be "impersonated".
More generally, I recently exchanged with a person at Microsoft, who told me they tried to limit the inheritance to the places where it really made full sense, because it becomes expensive performance-wise if left untreated. The sealed...
Delete forked repo from GitHub
... git and GitHub and there's a project I'm watching on GitHub. I unintentionally clicked to fork it. Now it appears as a new project to me.
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How can a Java variable be different from itself?
...
Heh, this totally answers the question as asked.
– Dave Newton
Oct 17 '13 at 1:20
5
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How do I apply the for-each loop to every character in a String?
...cost penalty.
From the documentation:
[toCharArray() returns] a newly allocated character array whose length is the length of this string and whose contents are initialized to contain the character sequence represented by this string.
There are more verbose ways of iterating over characters i...