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How does Java handle integer underflows and overflows and how would you check for it?
...int left, int right) {
if (right < 0 && right != Integer.MIN_VALUE) {
return willSubtractionOverflow(left, -right);
} else {
return (~(left ^ right) & (left ^ (left + right))) < 0;
}
}
public static boolean willSubtractionOverflow(int left, int right) {...
Is PowerShell ready to replace my Cygwin shell on Windows? [closed]
...would be: sed 's/pattern/replacement/' file, which is roughly gc file | %{$_ -replace 'pattern','replacement'}, and similarly for awk: awk 'BEGIN {} /pat1/ {action1} /pat2/ {action2} END {}' file is roughly {BEGIN {}; switch -r -c -file file { 'pat1' {action1} 'pat2' {action2}}; END{};}
...
Why do we need to install gulp globally and locally?
...t; 5.2
When used in a script field of your package.json, npm searches node_modules for the tool as well as globally installed modules, so the local install is sufficient.
So, if you are happy with (in your package.json):
"devDependencies": {
"gulp": "3.5.2"
}
"scripts": {
"test": "gulp te...
PostgreSQL query to list all table names?
...
What bout this query (based on the description from manual)?
SELECT table_name
FROM information_schema.tables
WHERE table_schema='public'
AND table_type='BASE TABLE';
share
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improve this a...
HTML tag want to add both href and onclick working
... safari in console I see warrning: [blocked] The page at fiddle.jshell.net/_display was not allowed to display insecure content from example.com - so probably this is some security issue (only on fiddle ? )
– Kamil Kiełczewski
Oct 7 '18 at 16:46
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H2 in-memory database. Table not found
...
DB_CLOSE_DELAY=-1
hbm2ddl closes the connection after creating the table, so h2 discards it.
If you have your connection-url configured like this
jdbc:h2:mem:test
the content of the database is lost at the moment the last conn...
How can I import a database with MySQL from terminal?
...;databasename> < <filename.sql>
Example:
mysql -u root -p wp_users < wp_users.sql
mysql -u root -pPassword123 wp_users < wp_users.sql
See also:
4.5.1.5. Executing SQL Statements from a Text File
Note: If you are on windows then you will have to cd (change directory) to y...
Difference between local and global indexes in DynamoDB
...s from the index, not from the base table.
– ethanxyz_0
Aug 8 '17 at 2:00
1
@bsd It would make se...
scp (secure copy) to ec2 instance without password
...ermission Denied" error! How can I solve this?
– AleX_
Jan 18 '19 at 22:27
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Using Git with Visual Studio [closed]
...
I usually add .user, *.suo, bin, obj, . and _* to my ignore list... if there's one of the above I want added, I can still add it manually.
– Tracker1
Mar 30 '11 at 0:17
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