大约有 40,000 项符合查询结果（耗时：0.1587秒） [XML]
Loaded nib but the 'view' outlet was not set
... This solution is no longer working in Xcode 7.3 as of step 4&5. Instead, in interface builder, Control-drag from the File's owner to your View .
– PeiweiChen
Apr 8 '16 at 2:31
...
Why always ./configure; make; make install; as 3 separate steps?
... said to run ./configure, but in fact you should change it always.
For example have a look at the Arch Linux packages site. Here you'll see that any package uses a different configure parameter (assume they are using autotools for the build system).
Building the system
make
This is actually m...
How to count TRUE values in a logical vector
In R, what is the most efficient/idiomatic way to count the number of TRUE values in a logical vector? I can think of two ways:
...
Find duplicate lines in a file and count how many time each line was duplicated?
...out unique lines:
sort FILE | uniq -c | grep -v '^ *1 '
For the given example, the result would be:
3 123
2 234
If you want to print counts for all lines including those that appear only once:
sort FILE | uniq -c
or, with GNU long options (on Linux):
sort FILE | uniq --count
For th...
RegEx to make sure that the string contains at least one lower case char, upper case char, digit and
... be a bit broad. I'd replace it with a character set like this: [-+_!@#$%^&*.,?] (feel free to add more of course!)
share
|
improve this answer
|
follow
|
...
List files recursively in Linux CLI with path relative to the current directory
... filter out the ones you want.
If the command is not found, you can install it:
Type following command to install tree command on RHEL/CentOS and Fedora linux:
# yum install tree -y
If you are using Debian/Ubuntu, Mint Linux type following command in your terminal:
$ sudo apt-get install tre...
How enumerate all classes with custom class attribute?
Question based on MSDN example .
7 Answers
7
...
How to make all Objects in AWS S3 bucket public by default?
I am using a PHP library to upload a file to my bucket. I have set the ACL to public-read-write and it works fine but the file is still private.
...
“Treat all warnings as errors except…” in Visual Studio
...rs" exists. It should be available in project settings without to edit manually the file. Thanks.
– AFract
Oct 23 '18 at 9:03
1
...
Why is unsigned integer overflow defined behavior but signed integer overflow isn't?
...to implement with the integer representation it used. C implementations usually used the same representation used by the CPU - so the overflow behavior followed from the integer representation used by the CPU.
In practice, it is only the representations for signed values that may differ according to...