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Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
...
+100
Edit: This is a more complete version that shows more differences between [ (aka test) and [[.
The following table shows that wheth...
How to open a file for both reading and writing?
...s expected:
f = open("c:\\log.log", 'r+b')
f.write("\x5F\x9D\x3E")
f.read(100)
f.close()
Where:
f.read(size) - To read a file’s contents, call f.read(size), which
reads some quantity of data and returns it as a string.
And:
f.write(string) writes the contents of string to the file, ...
WAMP/XAMPP is responding very slow over localhost
... This trick has helped me a lot.. it makes my MySQL server almost 100x faster.. it will works on WAMP or XAMPP.. For XAMPP, just remove the # sign before "bind-address = ::" line..
– Aldry Wijaya
Aug 4 '15 at 19:39
...
How do you turn off version control in android studio?
...
+100
To disable VCS in Android Studio on a Mac do the following:
Android Studio > Preferences...
In the Preferences window, select...
PHP json_encode encoding numbers as strings
...
try
$arr = array('var1' => 100, 'var2' => 200);
$json = json_encode( $arr, JSON_NUMERIC_CHECK);
But it just work on PHP 5.3.3. Look at this PHP json_encode change log
http://php.net/manual/en/function.json-encode.php#refsect1-function.json-encode-...
How to properly stop the Thread in Java?
...; 150) && this.execute; i++) {
Thread.sleep((long) 100);
}
LOGGER.debug("Processing");
} catch (InterruptedException e) {
...
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How do I calculate tables size in Oracle
...m(bytes)/1024/1024) Meg,
ROUND( ratio_to_report( sum(bytes) ) over () * 100) Percent
FROM
(SELECT segment_name table_name, owner, bytes
FROM dba_segments
WHERE segment_type IN ('TABLE', 'TABLE PARTITION', 'TABLE SUBPARTITION')
UNION ALL
SELECT i.table_name, i.owner, s.bytes
FROM dba_indexes ...
Case insensitive searching in Oracle
...otation marks.
Demo:
CREATE TABLE tab1(i INT PRIMARY KEY, name VARCHAR2(100));
INSERT INTO tab1(i, name) VALUES (1, 'John');
INSERT INTO tab1(i, name) VALUES (2, 'Joe');
INSERT INTO tab1(i, name) VALUES (3, 'Billy');
--========================================================================--
S...
How to convert a Git shallow clone to a full clone?
...ow now is an option (thanks Jack O'Connor).
You can run git fetch --depth=1000000 (assuming the repository has less than one million commits).
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How do I make a textbox that only accepts numbers?
...dontProcessMessages)
return;
const int WM_KEYDOWN = 0x100;
const int WM_ENTERIDLE = 0x121;
const int VK_DELETE = 0x2e;
bool delete = m.Msg == WM_KEYDOWN && (int)m.WParam == VK_DELETE;
if ((m.Msg == WM_KEYDOWN && !delete) || m.Msg ...