大约有 43,000 项符合查询结果（耗时：0.0318秒） [XML]
Git: which is the default configured remote for branch?
...ng that your .gitconfig is left in a meaningful state:
Using Git version v1.8.0 and above
git push -u hub master when pushing, or:
git branch -u hub/master
OR
(This will set the remote for the currently checked-out branch to hub/master)
git branch --set-upstream-to hub/master
OR
(This will ...
How do I print a double value with full precision using cout?
...= 1.1;
std::cout << std::hex << x.u64;
This will give you the 100% accurate precision of the double... and be utterly unreadable because humans can't read IEEE double format ! Wikipedia has a good write up on how to interpret the binary bits.
In newer C++, you can do
std::cout <<...
How to create a new database after initally installing oracle database 11g Express Edition?
...swd=1x4y9z
set max_log_files=32
set max_log_members=4
set max_log_history=100
set max_data_files=254
set max_instances=1
set version_dir=%ora_dir%\%version%
set db_dir=%version_dir%\%db_name%
set instl_temp_dir=%db_dir%\instl\script
set system_dir=%db_dir%\system
set user_dir=%db_dir%\user
set u...
How do I write output in same place on the console?
...loading File FooFile.txt [%d%%]\r'%i,
Demo:
import time
for i in range(100):
time.sleep(0.1)
print 'Downloading File FooFile.txt [%d%%]\r'%i,
Python 3
print('Downloading File FooFile.txt [%d%%]\r'%i, end="")
Demo:
import time
for i in range(100):
time.sleep(0.1)
print('Dow...
Calling shell functions with xargs
...the function should do it (untested):
export -f echo_var
seq -f "n%04g" 1 100 | xargs -n 1 -P 10 -I {} bash -c 'echo_var "$@"' _ {}
You can use the builtin printf instead of the external seq:
printf "n%04g\n" {1..100} | xargs -n 1 -P 10 -I {} bash -c 'echo_var "$@"' _ {}
Also, using return 0 a...
“tag already exists in the remote" error after recreating the git tag
...e tag locally so.. I deleted the old tag and retagged it with:
git tag -d v1.0
git tag -a v1.0 -m "My commit message"
Then:
git push --tags -f
That will update all tags on remote.
Could be dangerous! Use at own risk.
...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术
...提供了可靠性保证。 ØMQ抽象了指定发送数据到特定网络位置这样需求。消息是被发送到拓扑的，而不是发送给特定的终端节点。重新调用哪个与特定商务逻辑紧密相连的拓扑意味着当你发送消息给拓扑的时候，你基本上已经请...
Java 8 Streams: multiple filters vs. complex condition
...
one filter with predicate of form u -> exp1 && exp2, list size 10000000, averaged over 100 runs: LongSummaryStatistics{count=100, sum=4142, min=29, average=41.420000, max=82}
two filters with predicates of form u -> exp1, list size 10000000, averaged over 100 runs: LongSummaryStatisti...
Rank function in MySQL
...score, @percentile, (@totalStudents - @studentNumber + 1)/(@totalStudents)*100),
@studentNumber := @studentNumber + 1 as studentNumber,
@prevVal:=score
FROM marksheets, (
SELECT @curRank :=0, @prevVal:=null, @studentNumber:=1, @percentile:=100
) r
ORDER BY score DESC
Results of the query for a sa...
What are commit-ish and tree-ish in Git?
...e86e1950b1277e545cee180551750029cfe735
| 2. <describeOutput> | v1.7.4.2-679-g3bee7fb
| 3. <refname> | master, heads/master, refs/heads/master
| 4. <refname>@{<date>} | master@{yesterday}, HEAD@{5 minutes ago}
| 5. <refname>@{<n>} | ma...