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How do you find the row count for all your tables in Postgres
... table_schema='public'
\""
TABLENAMES=$(export PGPASSWORD=test; eval "$PGCOMMAND")
for TABLENAME in $TABLENAMES; do
PGCOMMAND=" psql -h localhost -U fred -d mydb -At -c \"
SELECT '$TABLENAME',
count(*)
FROM $TABLEN...
Disable a Button
...
I also get an error if I change (_ sender: ) to UIButton . The error reads: Value of type '(UIButton) -> ()' has no member 'isEnabled'
– user9470831
Feb 5 '19 at 4:25
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What's the difference between unit tests and integration tests? [duplicate]
What's the difference between unit tests and integration tests?
5 Answers
5
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Intel HAXM installation error - This computer does not support Intel Virtualization Technology (VT-x
... what comes from Android Studio) Before starting the install, run the haxm_check.exe included in the download from command line. If your fix worked, it should show yes for both NX and VT.
If you just double click haxm_check.exe you won't see anything. Run it from cmd or powershell to see the outpu...
System.IO.Packaging
...indows 10 maybe you could found here
C:\Windows\Microsoft.NET\assembly\GAC_MSIL\WindowsBase\v4.0_4.0.0.0__31bf3856ad364e35\
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How to pass object with NSNotificationCenter
...ing end you can access the userInfo dictionary as follows:
-(void) receiveTestNotification:(NSNotification*)notification
{
if ([notification.name isEqualToString:@"TestNotification"])
{
NSDictionary* userInfo = notification.userInfo;
NSNumber* total = (NSNumber*)userInfo[@"t...
Run a single test method with maven
I know you can run all the tests in a certain class using:
13 Answers
13
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Remove unwanted parts from strings in a column
... the substring/pattern to match, and the substring to replace it with.
pd.__version__
# '0.24.1'
df
time result
1 09:00 +52A
2 10:00 +62B
3 11:00 +44a
4 12:00 +30b
5 13:00 -110a
df['result'] = df['result'].str.replace(r'\D', '')
df
time result
1 09:00 52
2 10:0...
New to unit testing, how to write great tests? [closed]
I'm fairly new to the unit testing world, and I just decided to add test coverage for my existing app this week.
7 Answers
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dplyr: “Error in n(): function should not be called directly”
...ction" specification, like example below:
delay <- dplyr::summarise(by_tailnum,
count = n(),
dist = mean(distance, na.rm = TRUE),
delay = mean(arr_delay, na.rm = TRUE))
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