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Getting and removing the first character of a string
... character vector of length > 1.
# a slightly more interesting example
xx <- c('hello stackoverflow', 'right back', 'at yah')
# grab the substrings
myStrings <- regmatches(x, regexec('(^.)(.*)', xx))
This returns a list with the matched full string as the first element and the matching ...
How do I “source” something in my .vimrc file?
...Stuff.vim
:so myStuff.vim
and if myStuff.vim contained these lines
set xx iI just intersted this<C-]>
set yy bbbb4dw
It's the same as if you typed those commands into Vim
:set xx iI just intersted this<C-]>
:set yy bbbb4dw
The only file sourced by default is the .vimrc(_vimrc on...
Postgres dump of only parts of tables for a dev snapshot
...strained data into a "template" database and used CREATE DATABASE test_run_XX TEMPLATE product_snapshot_XX. I of course widdled the data down to a bare minimum so the product snapshot loaded and test db creation operations are fast enough to not be a team impediment.
– Trey
...
How to create a release signed apk file using Gradle?
...
com.android.ide.common.signing.KeytoolException: Failed to read key
XXX from store "F:\XXX\XXX.jks": Get Key failed: Given final block not
properly padded. Such issues can arise if a bad key is used during
decryption.
So don't use a converted key!
...
when I run mockito test occurs WrongTypeOfReturnValue Exception
...method with @Aspect. if i do when(someDao.someMethod()).thenReturn(List<xxx>), I got this WrongTypeOfReturnValue exception. Thru debug, I can see that the someMethod method is actually been called in the above statement and triggers the Around Advice and return a null but Mockito is expecting ...
为AppInventor2开发拓展(Extension) · App Inventor 2 中文网
...，等同于上面一行
@UsesLibraries(libraries = "okhttp-3.12.13.jar, xxx.jar") //依赖第三方jar库的，多个英文逗号分隔
public class Clipboard extends AndroidNonvisibleComponent implements Component {
public static final int VERSION = 1;
private ComponentContainer con...
Maximum Java heap size of a 32-bit JVM on a 64-bit OS
...faq-138619.html#gc_heap_32bit).
We ran our app with -Xms2560m -Xmx2560m -XX:MaxPermSize=512m -XX:PermSize=512m with no issues on Solaris for past couple of years. Tried to move it to linux and we had issues with random out of memory errors on start up. We could only get it to consistently start up...
error: Unable to find vcvarsall.bat
...it compiler tools:
Setting environment for using Microsoft Visual Studio 20xx x86 tools.
For the 64-bit compiler tools:
Setting environment for using Microsoft Visual Studio 20xx x64 tools.
Now, run the setup via python setup.py install or pip install pkg-name
Hope and cross your fingers that the...
Deleting a resource using http DELETE
...ion 4.3.5 DELETE happened to only mention a successful response should be 2xx, but it did not call out what a subsequent DELETE would get. So let's dig deeper.
RFC 7231, section 6.5.4 404 Not Found says 404 response is for a resource does not exist. Since no specific http method (in particular, not ...
Form inline inside a form horizontal in twitter bootstrap?
...to this solution just to put any input controls inside a div, else the col-xx grid layout doesn't work. It was not necessary to nest the form-group, the parent col-xx-# can share the same div and there is no need for the "row" class as the parent form is already a form-horizontal (100%).
...