freeze | Persistent Storage for Ice Objects | Database library
kandi X-RAY | freeze Summary
kandi X-RAY | freeze Summary
The Freeze persistence service allows you to store Ice objects in Oracle Berkeley DB, with all the features you expect from a robust database - transactions, hot backups, indexing, and more. In C++, Freeze and Berkeley DB consist of a library that you link with your C++ application. In Java, Freeze is a JAR file that you include in your Java application. Together, Freeze and Berkeley DB give you a fully embedded solution: the databases are regular files on a local file system, there is no database server to setup, and there is no need for ongoing database administration. Freeze lets you choose between two persistence models: evictors and maps. With Freeze evictors, Freeze persists the state of your Ice objects automatically; these Ice objects just need to define their persistent state in Slice classes. The alternative is to store key-value pairs in Freeze maps, where key and value are both Slice types.
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Trending Discussions on freeze
QUESTION
I have some local packages hosted on my own machine, I would like to include a copy of them in distribution of other packages that depends on them. When installing a local package, pip freeze
shows something like
ANSWER
Answered 2021-Jun-15 at 16:11I managed to do it with source distributions and overriding sdist
and egg_info
commands to make setuptools bundle local dependencies together with package and to make pip search dependencies in that bundle when installing the built package later. But later I figured out it makes system vulnerable to dependency confusion attacks because local packages installed from that bundle are visible with pip freeze
, if for some reason the dependency location, like local-package @ file:///home/user/packages/local-package.tar.gz
is stripped to just local-package
pip will search it on pypi, which allows dependency confusion to happen.
The best solution for this problem is to vendor all local dependencies where their source code is copied to the package, pip itself vendors its dependencies using vendoring.
QUESTION
I'm running boto with python3 and I'm running an ansible playbook to setup some ec2 instances.
Everything is fine, creating instances, security groups, key pairs, everything in eu-west-2
.
When the task for Elastic IPs runs it fails with this message:
Region eu-west-2 does not seem to be available for aws module boto.ec2. If the region definitely exists, you may need to upgrade boto or extend with endpoints_path
I'm running ansible with -e ansible_python_interpreter="/usr/bin/python3"
.
I have latest boto installed.
ANSWER
Answered 2021-Mar-03 at 11:06I resorted to using the community module for elastic ip.
So community.aws.ec2_eip
instead of ec2_eip
.
QUESTION
Hi so I'm starting to learn PHP and one of the first steps was to run the Development Server to start practicing, the line I used was:
...ANSWER
Answered 2021-Jun-15 at 14:30The server isn't "frozen", it's doing its job, waiting for requests and serving responses. Go to http://localhost:4000 in your web browser to request something from it.
Specifically, since you didn't specify a PHP script for it to run, it's waiting for you to request a particular file - if you have a file called "index.php", you can go to "http://localhost:4000/index.php" in your browser, if it's called "arnoldo-rocks.php", go to "http://localhost:4000/arnoldo-rocks.php", and so on.
It will carry on doing that until you kill it with Ctrl-C
If you want to run it in the background while you run other commands, and are using a Linux/Unix shell (not CMD or PowerShell), you can run it this way:
QUESTION
I was trying to create a thread safe queue, but something went wrong. I can't understand why does my thread freeze. Expected: 1 2 3, but i get nothing (everything just freezes)
I guess the problem is misuse of condition variable in front (pop) and get (peek) methods, but I can't find my mistake. Could you please point out my mistake and explain what the mistake is?
...ANSWER
Answered 2021-Jun-15 at 11:06This is your front
:
QUESTION
In this minimal example, I'm adding a THREE.SphereGeometry to a THREE.Group and then adding the group to the scene. Once I've rendered the scene, I want to remove the group from the scene & dispose of the geometry.
...ANSWER
Answered 2021-Jun-15 at 10:37Ideally, your cleanup should look like this:
QUESTION
While I am in a conda environment, the 'conda list' and 'pip freeze' show different number of libraries. For example, 'tensorflow-gpu' is listed in 'pip freeze', but not in 'conda list'. If I want to use tensorflow-gpu in this environment, should I run pip install tensorflow-gpu to install it again, or not necessary?
...ANSWER
Answered 2021-Jun-15 at 00:54I think when you are using the conda environment. The conda list is going to show all the general packages that shared by the same conda environment. And the reason why 'tensorflow-gpu' is listed in 'pip freeze', but not in 'conda list', is because you used pip install to installed 'tensorflow-gpu'(could be you or the IDE). In this case, 'tensorflow-gpu' is only exists under this python project I believe. Actually, there is an official document about this topic.
Issues may arise when using pip and conda together. When combining conda and pip, it is best to use an isolated conda environment. Only after conda has been used to install as many packages as possible should pip be used to install any remaining software. If modifications are needed to the environment, it is best to create a new environment rather than running conda after pip. When appropriate, conda and pip requirements should be stored in text files.
Use pip only after conda Install as many requirements as possible with conda then use pip.
Pip should be run with --upgrade-strategy only-if-needed (the default).
Do not use pip with the --user argument, avoid all users installs.
And here is the link.
QUESTION
I am able to do most things inside the dir, but I can't cd out of it, trying /bin/sh causes the shell to freeze.
...ANSWER
Answered 2021-Jun-14 at 22:06Because everytime you send a command a new shell is created in the original folder.
To set an other working directory you have to send cd /to/other/dir && yourcommand
You can try setting the root folder for the new shell terminal:
QUESTION
How do I make a Freezed object take a generic type? I want to do this:
...ANSWER
Answered 2021-Jun-10 at 17:52Your last code doesn't generate the vegan_item_tag.g.dart
because you wrote a wrong code in the VeganItemTag.fromJson
factory. Edit it to be something like this:
QUESTION
I know JS is single threaded. But I have a function which takes time for the calculation. I would like it to work paralleled, so this function would not freeze next statement. Calculation inside of function will take approximately 1-2 seconds.
- I used to create it using promise, but it still freeze the next statement.
ANSWER
Answered 2021-Jun-14 at 12:02- The code you write under
new Promise(() => {..code here..})
is not asynchronous. The is a very common misconception that everything under thePromise
block would run asynchronously. Instead, this JS API just let's get us a hook of some deferred task to be done once the promise is resolved. MDN
Promises are a comparatively new feature of the JavaScript language that allow you to defer further actions until after a previous action has completed, or respond to its failure. This is useful for setting up a sequence of async operations to work correctly.
QUESTION
I have a button that runs a function. This function is supposed to run 2 cmd commands, and the first cmd command works fine, but the tkinter GUI freezes before the second command can be executed. Is there a way to fix this?
Using pycharm and python 3.9
...ANSWER
Answered 2021-Jun-14 at 02:18With /k
cmd executes and then remains open.
With /c
cmd executes and closes.
So, your 1st cmd window upon execution executes and then waits until you close it, and just as you close it, your 2nd cmd command will be executed in the new cmd window. Also, by all this time, your Tkinter window will freeze since its program is still running for cmd windows. It will unfreeze just as you exit the 2nd cmd window.
So, what I would suggest is, if you are not displaying anything in cmd window using 1st command, then use /c
for the 1st command and /k
for the 2nd (to keep it open until you want to exit. Or just add /c
in every command close the cmd windows after their execution.)
e.g.
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