c4 | Low-latency Overlog runtime

by bloom-lang C Version: Current License: MIT

X-Ray Key Features Code Snippets(1)Community Discussions(10)Vulnerabilities Install Support

kandi X-RAY | c4 Summary

c4 is a C library. c4 has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Build dependencies: flex (>= 2.3.35), bison, cmake (>= 2.8), apr (>= 1.4), apr-util (>= 1.3) and SQLite (>= 3). At the moment, the binaries provided by each of these packages (flex, bison, apr-1-config, and apu-1-config) must be in your $PATH. mkdir build cd build cmake .. make.

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Support

c4 has a low active ecosystem.

It has 16 star(s) with 3 fork(s). There are 8 watchers for this library.

It had no major release in the last 6 months.

There are 1 open issues and 1 have been closed. On average issues are closed in 13 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of c4 is current.

Quality

c4 has no bugs reported.

Security

c4 has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

c4 is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

c4 releases are not available. You will need to build from source code and install.

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c4 Key Features

No Key Features are available at this moment for c4.

c4 Examples and Code Snippets

default

npm

Lines of Code : 142

License : No License

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 state := ExpandKey (state, 0, password)


 ctext := Encrypt_ECB (state, ctext);


	/* Invalid data */
	if (c1 == 255 || c2 == 255)
		break;

	*bp++ = (c1 << 2) | ((c2 & 0x30) >> 4);
	if (bp >= buffer + len)
		break;

	c3 = CHAR64(

Community Discussions

Trending Discussions on c4

How to maintain order of levels after factorizing column in R

postfix and openJDK 11: "No appropriate protocol (protocol is disabled or cipher suites are inappropriate)"

how to set crosstab() output to array

extract strings and insert as multiple rows based on original index

How to sumif a row?

[Novice][Java] Object is null somehow

Class 'List' has no instance getter 'docs' in flutter app

Converting a multi column range into one column

How to get m x k Matrix from n x m and n x k Matrices

Extremely Basic Glade Configuration Segfaults

QUESTION

How to maintain order of levels after factorizing column in R

Asked 2021-Jun-15 at 16:45

I have a permutation of different electrodes (25x25=625) from frontal to parietal.

...

ANSWER

Answered 2021-Jun-15 at 16:45

We can use unique in the levels argument of factor as unique returns the unique values from the first occurrence of that element, thus it maintains the same order of occurrence as in the original data

Source https://stackoverflow.com/questions/67990315

QUESTION

postfix and openJDK 11: "No appropriate protocol (protocol is disabled or cipher suites are inappropriate)"

Asked 2021-Jun-15 at 08:30

I know there are some other questions (with answers) to this topic. But no of these was helpful for me.

I have a postfix server (postfix 3.4.14 on debian 10) with following configuration (only the interesting section):

...

ANSWER

Answered 2021-Jun-15 at 08:30

Here I'm wondering about the line [in s_client]
New, TLSv1/SSLv3, Cipher is ECDHE-RSA-AES256-GCM-SHA384

You're apparently using OpenSSL 1.0.2, where that's a basically useless relic. Back in the days when OpenSSL supported SSLv2 (mostly until 2010, although almost no one used it much after 2000), the ciphersuite values used for SSLv3 and up (including all TLS, but before 2014 OpenSSL didn't implement higher than TLS1.0) were structured differently than those used for SSLv2, so it was important to qualify the ciphersuite by the 'universe' it existed in. It has almost nothing to do with the protocol version actually used, which appears later in the session-param decode:

Source https://stackoverflow.com/questions/67899129

QUESTION

how to set crosstab() output to array

Asked 2021-Jun-15 at 02:03

In R, I can take a df and get a list of frequency tables for each sample/group by doing the following:

...

ANSWER

Answered 2021-Jun-15 at 02:03

In pandas you can do groupby with pd.crosstab

Source https://stackoverflow.com/questions/67979095

QUESTION

extract strings and insert as multiple rows based on original index

Asked 2021-Jun-14 at 16:07

I have put example dataset (df), expected output (df2) and my code so far below. I have a df where some rows in column i2 contain a list - in the json format, which need exploding and reinserting back into the df, from the row in which they were extracted. But the need to be inputted into a different column (i1). i need to extract a unique identifier (the 'id_2' value) from the string and insert that into the id_2 column.

in my code so far i am parsing the json-like data with pd.normalize, and then inserting the original string from the column i1 onto the top of the extracted strings (it should be much more clear if you take a look below) and then reinsert them based on the index. But I have to specify the index, which is not good. I would like it to be less dependent on manual input of indices in case it changes in the future with more of these nested cells or somehow the index changes.

Any suggestions are very welcome, thanks so much

example data

...

ANSWER

Answered 2021-May-25 at 17:52

Explode the dataframe on column i2, then retrieve the values associated with key item from the column i2 using the str accessor, then using indexing with loc update the values in column i2 to 1 and concatenate the strings in i1 with the retrieved item values

Source https://stackoverflow.com/questions/67692622

QUESTION

How to sumif a row?

Asked 2021-Jun-14 at 13:27

My table looks like this

...

ANSWER

Answered 2021-Jun-14 at 13:27

Use SUMPRODUCT instead: =SUMPRODUCT((A2:A4="Apple")*B2:C4)

Source https://stackoverflow.com/questions/67970424

QUESTION

[Novice][Java] Object is null somehow

Asked 2021-Jun-14 at 00:52

I made a little program to generate random musical notes. I am getting the following error:

Exception in thread "main" java.lang.NullPointerException: Cannot invoke "java.util.ArrayList.add(Object)" because ".llaveFa" is null at sollasidore_14_9.main(sollasidore_14_9.java:99)

I used new in line 71 so I don't get it.

The code is:

...

ANSWER

Answered 2021-Jun-14 at 00:52

The error in this line llaveObj.llaveFa.add(randomNum); coming from llaveFa is not initialized. Let me explain this, in "Nota" class you are declaring in this line ArrayList llaveSol, llaveFa; llaveFa and llaveSol are initialized with null, to fix this you can initialize the variables right in the class itself with something like that: ArrayList llaveFa = new ArrayList();

Source https://stackoverflow.com/questions/67963674

QUESTION

Class 'List' has no instance getter 'docs' in flutter app

Asked 2021-Jun-12 at 21:47

I am building an appointment scheduling page using the table-calendar widget. I can write appointments to a firebase collection/document. Now, I need to pull the appointments from the collection and display them as a list below the calendar.

I have used this code on another page and I actually copied if from there and am using it here. The code works on the other page but I am getting the error here. There are small differences in the 2 pages but not too many. What is causing this error?

Here is the code for the calendar page.

...

ANSWER

Answered 2021-Jun-12 at 21:47

The itemCount property of ListView.builder is causing the error.

itemCount: snapshot.data.docs.length it should be itemCount: snapshot.data.length.

This is because the the type of data emitted by the Stream is List. The standard List class does not have a method called docs so when the ListView.builder tried to access the length property it throws the NoSuchMethodError

The same error will happen when the onTap handler is invoked for any of the items in the list, as it too is making a reference to snapshot.data.docs

Source https://stackoverflow.com/questions/67953045

QUESTION

Converting a multi column range into one column

Asked 2021-Jun-12 at 11:30

I have an instance where I would love to be able to get a column of all the unique names in a range. The problem I am having is that the range is multicolumn.

Let's assume my data is in A1:B3 This works fine if I do:

=unique({A1:A3;B1:B3;C1:C3})

But if that range is named and I do

=unique(NamedRange) or =unique(A1:C3)

Then it will spill over the column. Worse if I want to filter or sort the results in the same formula and then run into errors because the formulas want single column/row or the rows/columns don't match anymore.

I don't deal with named ranges a lot, but I did just make a formula today that had 10 columns in it that I stuck into a range like that so that I could do a complex (for me) filter that gave me the difference of two different ranges, similar to: =FILTER({B4:B93;C4:C93;D4:D93;E4:E93;F4:F93}, NOT(COUNTIF(H5:H, {B4:B93;C4:C93;D4:D93;E4:E93;F4:F93}))). I would REALLY love if I could clean that up and make that messy set B4:F instead.

Is there any formula level function that could stick these all in one column? Usually I am looking to do other things with it like sort and filter and the multiple columns get even messier.

Thanks for your time. I DID try searching for this, but I could not seem to find the answer.

...

ANSWER

Answered 2021-Jun-12 at 11:30

Use FLATTEN:

Source https://stackoverflow.com/questions/67945189

QUESTION

How to get m x k Matrix from n x m and n x k Matrices

Asked 2021-Jun-10 at 19:23

No sure how to specify the question, but say I have sparse matrix:

...

ANSWER

Answered 2021-Jun-10 at 19:23

Maybe you can try crossprod like below

Source https://stackoverflow.com/questions/67923262

QUESTION

Extremely Basic Glade Configuration Segfaults

Asked 2021-Jun-10 at 05:05

I am trying to get setup using GTK3+ and Glade. Unfortunately the most basic setup I can find online is sefaulting. In Glade I just created a basic window with the ID window_main. I'm not sure how this isn't working.

bytebowl.c

...

ANSWER

Answered 2021-Jun-10 at 05:05

You need to call gtk_init() before any other functions from Gtk.

Additionally, gtk_builder_get_object() does not pass ownership of the widget to the caller, so calling g_object_unref() on the builder where you do is probably not a good idea.

Source https://stackoverflow.com/questions/67910342

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Vulnerabilities

No vulnerabilities reported

Install c4

You can download it from GitHub.

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