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服务器保持大量TIME_WAIT和CLOSE_WAIT的解决方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...eb服务器也是会出现大量的TIME_WAIT的情况的。
现在来说如何来解决这个问题，解决思路很简单，就是让服务器能够快速回收和重用那些TIME_WAIT的资源。
下面来看一下我们网管对/etc/sysctl.conf文件的修改：
#对于一个新建连...
Which is faster in Python: x**.5 or math.sqrt(x)?
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How many square roots are you really performing? Are you trying to write some 3D graphics engine in Python? If not, then why go with code which is cryptic over code that is easy to read? The time difference is would be less than anybody c...
How do you find all subclasses of a given class in Java?
...";
/** Doclet entry point. */
public static boolean start(RootDoc root) throws Exception {
try {
ClassDoc topClassDoc = root.classNamed(TOP_CLASS_NAME);
for (ClassDoc classDoc : root.classes()) {
if (classDoc.subclassOf(topClassDoc)) {...
How to retrieve Request Payload
...lso docs say that:
The encode option should only be set to true when a root is defined
So, probably, writer's root config is required.
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How to count items in JSON object using command line?
... Your initial jq code (.[]) return the length of each object in the root array, while I'm looking for the length of the root array itself. Need to fix to .
– Édouard Lopez
Jan 26 '14 at 9:52
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Total memory used by Python process?
...nt sum " KB"}'
90064 KB
Attach my process list.
$ ps aux | grep python
root 943 0.0 0.1 53252 9524 ? Ss Aug19 52:01 /usr/bin/python /usr/local/bin/beaver -c /etc/beaver/beaver.conf -l /var/log/beaver.log -P /var/run/beaver.pid
root 950 0.6 0.4 299680 34220 ? Sl...
Passing references to pointers in C++
... to a pointer to make all the pointers in a deleted binary tree except the root safe. To make the pointer safe we just have to set it to 0. I could not make the function that deletes the tree (keeping only the root) to accept a ref to a pointer since I am using the root (this pointer) as the first i...
Importing a Maven project into Eclipse from Git
...cry in frustration. As far as I know, if the cloned repository lies on the root of your Eclipse workspace, and your Maven project file hierarchy has a POM on its root, then importing such root project will rename the cloned folder (with the template you chose, defaults to [artifactId]). Without chan...
Allowed characters in Linux environment variable names
...n/sh}
Verify environment variables:
HOSTNAME=bd0bccfdc53b
SHLVL=2
HOME=/root
spring.application_name=happy-variable-name
TERM=xterm
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
PWD=/
Use ps aux to verify PID not changed
PID USER TIME COMMAND
1 root 0:00 /bi...
Why this line xmlns:android=“http://schemas.android.com/apk/res/android” must be the first in the la
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Probably because LinearLayout are part of the root namespace, and android:xxx attributes are part of a subnamespace ("schemas.android.com/apk/res/android/android/id")
– NitroG42
Apr 30 '13 at 13:55
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