大约有 47,000 项符合查询结果（耗时：0.0992秒） [XML]
java SSL and cert keystore
...
javax.net.ssl.keyStorePassword - Password
to access the private key from the
keystore file specified by
javax.net.ssl.keyStore. This password
is used twice: To unlock the keystore
file (store password), and To decrypt
the private key stored in the keystore
(key password).
jav...
How to get overall CPU usage (e.g. 57%) on Linux [closed]
...age in all the cores since the system bootup. This could be very different from the current CPU usage. To get the current value top (or similar tool) must be used.
Current CPU usage can be potentially calculated with:
awk '{u=$2+$4; t=$2+$4+$5; if (NR==1){u1=u; t1=t;} else print ($2+$4-u1) * 100 ...
Eclipse Android and gitignore
... by Eclipse
proguard/
# Intellij project files
*.iml
*.ipr
*.iws
.idea/
From Gitignore on github
share
|
improve this answer
|
follow
|
...
What and where are the stack and heap?
.... This makes it really simple to keep track of the stack; freeing a block from the stack is nothing more than adjusting one pointer.
The heap is memory set aside for dynamic allocation. Unlike the stack, there's no enforced pattern to the allocation and deallocation of blocks from the heap; you c...
how perform grep operation on all files in a directory
...
@umi If I run grep -r x . results come from all files of all extensions. If I run grep -r x *.scss than I receive no results.
– Chris
Oct 2 '17 at 21:15
...
How to do case insensitive search in Vim
...llow you to force case-sensitivity for replacements while still benefiting from smartcase when searching.
– Anthony DiSanti
Oct 15 '12 at 23:44
23
...
Insert a commit before the root commit in Git?
...ps to achieving this:
Create a new empty commit
Rewrite history to start from this empty commit
We’ll put the new empty commit on a temporary branch newroot for convenience.
1. Create a new empty commit
There is a number of ways you can do this.
Using just plumbing
The cleanest approach is...
How to have Android Service communicate with Activity
...ntent in onResume and unregister it in onPause. Then send out that intent from your service when you want to send out your status updates or what have you.
Make sure you wouldn't be unhappy if some other app listened for your Intent (could anyone do anything malicious?), but beyond that, you shoul...
What is the difference between a var and val definition in Scala?
...and. That's the kind of object management that immutability makes you free from.
Now, let's covert it to an immutable.Queue:
def toNum(q: scala.collection.immutable.Queue[Int]) = {
def recurse(qr: scala.collection.immutable.Queue[Int], num: Int): Int = {
if (qr.isEmpty)
num
else {
...
Rounding up to next power of 2
...d. CPUs have an instruction to help this (actually already at that time?). From : jameshfisher.com/2018/03/30/round-up-power-2.html uint64_t next_pow2(uint64_t x) { return x == 1 ? 1 : 1<<(64-__builtin_clzl(x-1)); } And for 32 bit : uint32_t next_pow2(uint32_t x) { return x == 1 ? 1 : 1<&...