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Is there any way I can define a variable in LaTeX?
...e errors. To overcome this either use namespaced variables like my_var or fall back to \newcommand, \renewcommand commands instead.
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How do I perform an IF…THEN in an SQL SELECT?
...
The CASE statement is the closest to IF in SQL and is supported on all versions of SQL Server.
SELECT CAST(
CASE
WHEN Obsolete = 'N' or InStock = 'Y'
THEN 1
ELSE 0
END AS bit) as Saleable, *
FROM Product
Yo...
How to group time by hour or by 10 minutes
...
finally done with
GROUP BY
DATEPART(YEAR, DT.[Date]),
DATEPART(MONTH, DT.[Date]),
DATEPART(DAY, DT.[Date]),
DATEPART(HOUR, DT.[Date]),
(DATEPART(MINUTE, DT.[Date]) / 10)
...
Good tool to visualise database schema? [closed]
...om). It works with a variety of databases including SQLite, and their EULA allows the free version to be used for commercial projects.
– Aralox
Jul 29 '16 at 5:05
add a commen...
How to continue a task when Fabric receives an error
...e encountering an exception, execution will halt immediately.
This is typically the desired behavior, but there are many exceptions to the rule, so Fabric provides env.warn_only, a Boolean setting. It defaults to False, meaning an error condition will result in the program aborting immediately. Howe...
How to make CSS3 rounded corners hide overflow in Chrome/Opera
... This looks like another bug in WebKit (or probably Chrome), but it works. All you need to do - is to add a WebKit CSS Mask to the #wrapper element. You can use a single pixel png image and even include it to the CSS to save a HTTP request.
#wrapper {
width: 300px; height: 300px;
border-radius: 10...
Git undo changes in some files [duplicate]
...ethod:
# revert, but do not commit yet
git revert -n <sha1>
# clean all the changes from the index
git reset
# now just add A
git add A
git commit
Another method again, requires the use of the rebase -i command. This one can be useful if you have more than one commit to edit:
# use rebase ...
Git push error: Unable to unlink old (Permission denied)
... permissions were correct on the the file. Makes sense the updates are actually more like mv actions than just overwrites.
– doublejosh
Nov 24 '12 at 1:01
...
SHA512 vs. Blowfish and Bcrypt [closed]
...ome on-board RAM.
Note: bcrypt is an algorithm that uses Blowfish internally. It is not an encryption algorithm itself. It is used to irreversibly obscure passwords, just as hash functions are used to do a "one-way hash".
Cryptographic hash algorithms are designed to be impossible to reverse. In...
Clear android application user data
... } catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (isr != null)
isr.close();
} catch (IOException e) {
e.printStackTrace();
}
mCountDownLatch.countDown();
...