tdu | text-mode disk usage visualization utility | Command Line Interface library
kandi X-RAY | tdu Summary
kandi X-RAY | tdu Summary
tdu is a text-terminal program that displays disk space utilization in an interactive full-screen folding outline. Branches of the tree may be hidden or displayed, and files/directories in a branch can be sorted by filename or total space utilized. tdu uses the ncurses library to interact with the terminal; unlike most disk usage visualization programs, it does not require the X Window System. It is therefore ideal in situations where you're logged in to a remote Unix system and for various reasons you do not wish to run an X program such as xdu remotely or copy the output of du over the network. Like the classic xdu utility, tdu does not traverse a directory tree computing disk usage itself; it requires a program such as du to provide that information.
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QUESTION
I am trying to figure out why our Oracle 11g has been misbehaving. We are getting the following error in all our jobs which access the database with JDBC:
...ANSWER
Answered 2020-Jun-10 at 14:57You should provide full stack trace When the stack trace contains:
at oracle.jdbc.driver.T4CConnection.logon
Then connection was reset by the database, during authentication. (Not by any networking device on the way). The root cause issue of such a situation (logon storm) is actually a problem on client's side. Due to lack of random numbers the client was not able to authenticate itself fast enough. When this happens then you can:
- Tune kernel parameters to hold more random numbers in buffer(client)
- Use that trick where JVM uses another /dev/*random device(client)
- Change parameter SQLNET.INBOUND_CONNECT_TIMEOUT to extend the time window when servers waits for the client(db server)
But there can be other reasons why you do receive this error.
PS: JVM has explicit protections against 2nd "solution" (Java bug 6202721). As it compromises security. So if you set "java.security.egd=file:/dev/urandom" it will intentionally ignore you. While this device name is not black listed "java.security.egd=file:/dev/./urandom"
QUESTION
I have performed statistical tests on lots of genera that are hierarchically structured with a tree, so I have a p-value for each of the genus in the tree.
I want to visualize both the tree and the p-value in a panel plot, as it's possible to do with ggtree.
Packages and tree data:
...ANSWER
Answered 2018-Feb-22 at 14:14You can play with the hjust
and offset
parameters (although I don't quite understand them):
QUESTION
xquery version "1.0-ml";
element html{
element h1{"Product catalog"}
element ul{let $file := xdmp:document-get("d:\users\tdu\xquery\cataloge.xml")
for $prod in ($file/catalog/product)
return element li {("number:",data($prod/number),", name:",data($prod/name))}
}
}
...ANSWER
Answered 2018-Apr-04 at 13:43Missing ,
This should be as:
QUESTION
I know how to intercept a native function in JavaScript. For example, I use the code below to intercept document.createElement
:
ANSWER
Answered 2018-Mar-20 at 20:46You need to monkey patch the method on the prototype
it appears in, in your case HTMLCanvasElement.prototype.toDataURL
.
QUESTION
I have a problem with my Oracle DB network speed.
First of all, what's the essence of the problem. There are java application on my computer and Oracle DB on a remote server. Connection speed between them is about 2,5MB/s. I execute in my java app a very simple query like "select id, name from table_name", result set contains ~60K rows (size is about 1,5 Mb) and transfers to my app for ~80 seconds. Accordingly to the profiler the most of the time application spends in oracle.net.Packet.recieve method.
For comparison the same query executes in SQL Developer for 0,5-0,7 seconds for 5000 rows. Extrapolating to 60K rows we have about 6-8 seconds.
The result of excution of tcpdump for my application shows that data transfers in chunks with size about 200 bytes. On the other hand for SQL Developer tcpdump shows package size more than 2000 bytes.
Official Oracle documentations suggests to increase SDU and TDU parameters, unfortunately i can't change configuration of database, so i tried to determine them on client side in a such way:
...ANSWER
Answered 2018-Jan-10 at 21:34As it turned out, the reason was in fetch size. Increasing its value allows to decrease execution time at ~100 times.
QUESTION
I want to send a notification when the time is between May 8 and May 12 just once every year.
But i stuck in compare with different year , it cause that will send notification every time when user start the application or reboot that if time is between May 8 and May 12.
It's confuse me with a lots of hours , some one can teach me how to fix the issue , that would be appreciated.
Thanks in advance.
My manifests:
...ANSWER
Answered 2017-May-10 at 10:08Probably this is because You do .putBoolean("saveBoolean",true)
every time when user start application.
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