大约有 15,461 项符合查询结果（耗时：0.0222秒） [XML]
How to create a zip file in Java
...
Look at this example:
StringBuilder sb = new StringBuilder();
sb.append("Test String");
File f = new File("d:\\test.zip");
ZipOutputStream out = new ZipOutputStream(new FileOutputStream(f));
ZipEntry e = new ZipEntry("mytext.txt");
out.putNextEntry(e);
byte[] data = sb.toString().getBytes();
out...
Bash if [ false ] ; returns true
...
You are running the [ (aka test) command with the argument "false", not running the command false. Since "false" is a non-empty string, the test command always succeeds. To actually run the command, drop the [ command.
if false; then
echo "True"
el...
How to find the size of localStorage
...e.
I believe that the default amount of space is 5MB, although I have not tested it personally.
share
|
improve this answer
|
follow
|
...
Why does this go into an infinite loop?
...
if you make a test, you can see that it first increments, and later attributes. So it should not attribute zero.
– Tom Brito
Sep 30 '10 at 14:16
...
Create PostgreSQL ROLE (user) if it doesn't exist
... with correct exception and sqlstate propagation:
DO $$
BEGIN
CREATE ROLE test;
EXCEPTION WHEN duplicate_object THEN RAISE NOTICE '%, skipping', SQLERRM USING ERRCODE = SQLSTATE;
END
$$;
Test output (called two times via DO and then directly):
$ sudo -u postgres psql
psql (9.6.12)
Type "help" fo...
find filenames NOT ending in specific extensions on Unix?
...tr
total 10
-rw-r--r-- 1 scripter linuxdumb 47 Dec 23 14:46 test1
-rw-r--r-- 1 scripter linuxdumb 0 Jan 4 23:40 test4
-rw-r--r-- 1 scripter linuxdumb 0 Jan 4 23:40 test3
-rw-r--r-- 1 scripter linuxdumb 0 Jan 4 23:40 test2
-rw-r--r-- ...
test if event handler is bound to an element in jQuery [duplicate]
...ves itself, use the one() method. $("body").one("click",function(){ alert('test');});
– Daniel Katz
Sep 9 '14 at 11:58
|
show 2 more comment...
How do I get started with Node.js [closed]
...n for your text editor that will automatically run it on your code.
Unit Testing:
Mocha is a popular test framework.
Vows is a fantastic take on asynchronous testing, albeit somewhat stale.
Expresso is a more traditional unit testing framework.
node-unit is another relatively traditional unit te...
How can I tell if a DOM element is visible in the current viewport?
...most never precise. You can read more about its bugs.
This solution was tested on Internet Explorer 7 (and later), iOS 5 (and later) Safari, Android 2.0 (Eclair) and later, BlackBerry, Opera Mobile, and Internet Explorer Mobile 9.
function isElementInViewport (el) {
// Special bonus f...
How to remove all characters after a specific character in python?
...s 1.13 for .split (comment formatting doesn't really let me show the exact tests, but I'm using @Ayman's text and separator) -- so, +1 for @Ayman's answer!
– Alex Martelli
May 24 '09 at 22:15
...