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Read/write files within a Linux kernel module
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How to overwrite styling in Twitter Bootstrap
...nav li a {
color: red;
}
it's still going to be rendered as #999. In order to solve this, bootstrap has 22 points (calculate it yourself). So all we need is something more than that. Thus, I have added custom IDs to the elements i.e. home-menu-container and home-menu. Now the following css wil...
Vagrant ssh authentication failure
...ed by multiple vagrant machines, you better configure the path yourself in order to not break other perfectly working machines! Changing the path is as simple as adding a line config.ssh.private_key_path = "path/to/private_key" into the Vagrantfile.) Furthermore, if you are using PuPHPet generated m...
How to force LINQ Sum() to return 0 while source collection is empty
... doesn't allow you to use "??" operator to set 0 for empty collection.
In order to avoid this situation you need to make LINQ expect "double?". You can do it by casting "(double?)l.Amount".
It doesn't affect the query to SQL but it makes LINQ working for empty collections.
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将Linux代码移植到Windows的简单方法 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...（Header File）的包含问题。在Config.h中定义了很多类似HAVE_XXXX_H。比如定义HAVE_CONFIG_H为1表示工程中可以使用config.h。
#define HAVE_MALLOC_H 1表示可以在工程中使用Malloc.h头文件。通过调整这些定义值，可以去除一些Windows平台下面没有...
What's Mongoose error Cast to ObjectId failed for value XXX at path “_id”?
...ng a request to /customers/41224d776a326fb40f000001 and a document with _id 41224d776a326fb40f000001 does not exist, doc is null and I'm returning a 404 :
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count the frequency that a value occurs in a dataframe column
... 2
b 3
s 2
With df.a.value_counts() sorted values (in descending order, i.e. largest value first) are returned by default.
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How to make child process die after parent exits?
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The argument order of the dup2() call is wrong. If you want to use pipes[0] as stdin you have to write dup2(pipes[0], 0) instead of dup2(0, pipes[0]). It isdup2(oldfd, newfd) where the call closes a previously open newfd.
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Convert a char to upper case using regular expressions (EditPad Pro)
...m using EditPad Pro (however I am willing to use any other tool that would allow me to do this, as long as it is free to try, since I only need to do this once).
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How to use wait and notify in Java without IllegalMonitorStateException?
...][0] even if the result of [2][0] is ready first. So I need to print it by order.
So my idea is to make the printer thread wait until the multiplyThread notifies it that the correct cell is ready to be printed and then the printerThread will print the cell and go back to waiting and so on..
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