大约有 26,000 项符合查询结果（耗时：0.0301秒） [XML]
Sprintf equivalent in Java
Printf got added to Java with the 1.5 release but I can't seem to find how to send the output to a string rather than a file (which is what sprintf does in C). Does anyone know how to do this?
...
Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
I am working on a program that issues DDL. I would like to know whether CREATE TABLE and similar DDL can be rolled back in
...
Depend on a branch or tag using a git URL in a package.json?
Say I've forked a node module with a bugfim>x m> and I want to use my fim>x m>ed version, on a feature branch of course, until the bugfim>x m> is merged and released.
...
Change the mam>x m>imum upload file size
I have a website hosted on a PC I have no access to. I have an upload form allowing people to upload mp3 files up to 30MB big. My server side script is done in PHP.
...
How does a public key verify a signature?
...crypting):
openssl rsautl -encrypt -inkey public.pem -pubin -in message.tm>x m>t -out message.ssl
openssl rsautl -decrypt -inkey private.pem -in message.ssl -out message.tm>x m>t
Private key encrypts, public key decrypts (signing):
openssl rsautl -sign -inkey private.pem -in message.tm>x m>t -...
Difference between Destroy and Delete
...
Basically destroy runs any callbacks on the model while delete doesn't.
From the Rails API:
ActiveRecord::Persistence.delete
Deletes the record in the database and freezes this instance to reflect that no changes should be made (since they can't be persisted). R...
How do I find the most recent git commit that modified a file?
I want to find the most recent commit that modified a source file.
6 Answers
6
...
ActiveRecord: size vs count
In Rails, you can find the number of records using both Model.size and Model.count . If you're dealing with more complem>x m> queries is there any advantage to using one method over the other? How are they different?
...
How can I decompress a gzip stream with zlib?
Gzip format files (created with the gzip program, for em>x m>ample) use the "deflate" compression algorithm, which is the same compression algorithm as what zlib uses. However, when using zlib to inflate a gzip compressed file, the library returns a Z_DATA_ERROR .
...
How can I push a local Git branch to a remote with a different name easily?
... wondering if there's an easy way to push and pull a local branch with a remote branch with a different name without always specifying both names.
...